> ## Content Index > Fetch the complete content index at: https://usscootermuseum.com/llms.txt > Use this file to discover other available public pages before exploring further. # Best Solar Bird Feeders by Camera and Capacity - URL: https://usscootermuseum.com/best-solar-bird-feeder/ - Published: 2026-09-07T07:22:09.000Z - Updated: 2026-09-07T09:49:27.000Z - Description: A working comparison of six solar bird feeders, ranked by hopper size, camera quality and mounting weight, with the specification that actually decides the buy. - Author: Eli Dixon - Tags: Garden & Outdoor Living, #Birding, Outdoor Living The best solar bird feeder is the Kiwibit Solar Smart Bird Feeder with Camera, thanks to a 1.5L dual-seed hopper, a 4K sensor and a 5200mAh battery paired with dual solar panels. If you would rather not sit in the premium price band, the HEAPETS Smart Bird Feeder with Camera Solar Powered is the best solar bird feeder in the entry tier, offering 2K video and a 3.46 lb frame that mounts easily on a pole. In this guide 1. [Best solar bird feeder at a glance](#best-solar-bird-feeder-at-a-glance) 2. [How I narrowed six solar bird feeders down](#how-i-narrowed-six-solar-bird-feeders-down) 3. [What the solar panel actually powers](#what-the-solar-panel-actually-powers) 4. [1\. Kiwibit Solar Smart Bird Feeder with Camera — Best overall](#1-kiwibit-solar-smart-bird-feeder-with-camera-%E2%80%94-best-overall) 5. [2\. HEAPETS Smart Bird Feeder with Camera Solar Powered — Runner-up](#2-heapets-smart-bird-feeder-with-camera-solar-powered-%E2%80%94-runner-up) 6. [3\. HARYMOR Bird Feeder with Camera — Best for beginners](#3-harymor-bird-feeder-with-camera-%E2%80%94-best-for-beginners) 7. [4\. HARYMOR Smart Bird Feeder with Camera — Best minimal setup](#4-harymor-smart-bird-feeder-with-camera-%E2%80%94-best-minimal-setup) 8. [5\. Kiwibit Solar Powered Smart Bird Feeder with Camera 2 Mini — Best for pros](#5-kiwibit-solar-powered-smart-bird-feeder-with-camera-2-mini-%E2%80%94-best-for-pros) 9. [6\. DesGully Solar Bird Feeders for Outdoors Hanging — Best budget pick](#6-desgully-solar-bird-feeders-for-outdoors-hanging-%E2%80%94-best-budget-pick) 10. [How much seed does a hopper really hold?](#how-much-seed-does-a-hopper-really-hold) 11. [Camera or lantern: which type of solar feeder do you want?](#camera-or-lantern-which-type-of-solar-feeder-do-you-want) 12. [What the listings do not tell you](#what-the-listings-do-not-tell-you) 13. [Mounting: where will yours actually go?](#mounting-where-will-yours-actually-go) 14. [The verdict](#the-verdict) 15. [FAQ](#faq) ## Best solar bird feeder at a glance | Pick | Hopper / seed capacity | Video | Weight | Price | | --------------------------------------------------------------------------------------------------------------------------------- | ------------------------ | ------------- | ------- | ------------------------------------------------------------------------ | | **Best overall**[Kiwibit Solar Smart Bird Feeder with Camera](https://www.amazon.com/dp/B0FHW2TCRX?tag=scootermuseum-20) | 1.5L dual hopper (claim) | 4K HDR | 6.3 lb | [Check Price](https://www.amazon.com/dp/B0FHW2TCRX?tag=scootermuseum-20) | | **Runner-up**[HEAPETS Smart Bird Feeder with Camera Solar Powered](https://www.amazon.com/dp/B0DSDFV4Z2?tag=scootermuseum-20) | Not listed | 2K HD | 3.46 lb | [Check Price](https://www.amazon.com/dp/B0DSDFV4Z2?tag=scootermuseum-20) | | **Best for beginners**[HARYMOR Bird Feeder with Camera](https://www.amazon.com/dp/B0DYDGBGQT?tag=scootermuseum-20) | 2L (claim) + mini nectar | 2K, 3x zoom | 5.03 lb | [Check Price](https://www.amazon.com/dp/B0DYDGBGQT?tag=scootermuseum-20) | | **Best minimal setup**[HARYMOR Smart Bird Feeder with Camera](https://www.amazon.com/dp/B0C4Y6D5BD?tag=scootermuseum-20) | 2L (claim) | 2K, 120° lens | 2.52 lb | [Check Price](https://www.amazon.com/dp/B0C4Y6D5BD?tag=scootermuseum-20) | | **Best for pros**[Kiwibit Smart Bird Feeder with Camera 2 Mini](https://www.amazon.com/dp/B0H1RLSG6W?tag=scootermuseum-20) | Not listed | 4K UHD, HDR | 2.5 lb | [Check Price](https://www.amazon.com/dp/B0H1RLSG6W?tag=scootermuseum-20) | | **Best budget pick**[DesGully Solar Bird Feeders for Outdoors Hanging](https://www.amazon.com/dp/B09VX523M9?tag=scootermuseum-20) | 2.4 lb of seed (claim) | No camera | 0.64 lb | [Check Price](https://www.amazon.com/dp/B09VX523M9?tag=scootermuseum-20) | ## How I narrowed six solar bird feeders down Amazon returned dozens of listings for the phrase, most of them repackaged versions of the same three or four camera units. The picks here map to real buyer profiles rather than another six near-identical smart feeders. I read every listing against four criteria: 1. Stated hopper size, either as a volume in litres or as a seed weight in pounds. 2. Video resolution, if the feeder carries a camera. 3. Total unit weight, because mounting hardware and pole ratings depend on it. 4. What the solar panel is actually powering: a camera, a night light or nothing at all. The result is one non-camera lantern feeder, four camera feeders across three price bands, and one 4K unit that trades hopper size for a compact body. Five of the six carry AI bird identification claims. Only one, the DesGully, treats "solar" as a decorative feature rather than a camera power source. A quick word on the keyword: the term "best solar bird feeder" is usually a stand-in for "smart camera feeder with a solar top", and Amazon's ranking treats it that way, so five of six picks here are camera units. ## What the solar panel actually powers Most guides compare solar bird feeder listings on the wattage of the panel. That is not what decides the buy. What decides it is what the panel is charging and how the unit behaves when the sun does not cooperate. Three patterns show up in this set: - **Solar as a battery top-up for a camera.** The Kiwibit BW512 pairs dual solar panels with a 5200mAh rechargeable battery. HEAPETS runs on a built-in solar panel and a rechargeable battery. HARYMOR's Q8 pairs a 3W built-in panel with a 3W external panel you can angle separately at the sun. All three assume you will still recharge over USB during a run of grey days. - **Solar as an integrated roof only.** The Kiwibit BW514 uses an integrated solar roof described as supplementing power during outdoor use. The word "supplement" is doing work: expect to plug it in occasionally. - **Solar as a night light.** The DesGully has no camera. Its solar panel drives a lantern that Kiwibit's listing says runs 8-10 hours on a full charge, so the "solar" bit is the ambient glow after dark, not seed camera footage. Match the pattern to your yard. A shaded fence line is fine for the Q8, whose external panel can be positioned separately. A camera feeder mounted deep under an eave is going to need a USB top-up whatever the marketing claims. ## 1\. Kiwibit Solar Smart Bird Feeder with Camera — Best overall **The Kiwibit BW512 is the best solar bird feeder here because it pairs the largest published hopper with the highest-resolution sensor and the biggest battery.** [![Kiwibit BW512 solar smart bird feeder with camera and dual-seed hopper — the pick with the largest published hopper and 4K sensor](https://m.media-amazon.com/images/I/516ho3jz4pL._SL500_.jpg)](https://www.amazon.com/dp/B0FHW2TCRX?tag=scootermuseum-20) **Best for:** a bright yard where you want the sharpest video and the biggest hopper **Skip it if:** you do not want to pay premium money for a camera feeder At 11 x 7.7 x 7.1 in and 6.3 lb, the BW512 is the largest and heaviest camera unit in the set, and that mass buys you a 1.5L dual-seed hopper that Kiwibit says you can split between two seed blends to draw more species. The 4K sensor with 8MP stills is the sharpest video specification of the six picks. Kiwibit says the 5200mAh battery is charged by dual solar panels rather than one, which is the more forgiving setup for a partially shaded yard. Kiwibit also states the camera focuses only on the feeder, not the surrounding area, which is a useful line to have on the listing if your neighbour asks. The trade-off is real: this is the most expensive pick here, it is the heaviest by more than 1.2 lb over the next camera unit, and Kiwibit sells a lighter 4K model, the BW514, if hopper size is not your priority. AI features on Kiwibit hardware sit behind a Premium subscription with a 30-day trial per the BW514 listing. **Pros:** - Largest published hopper in the set at 1.5L - 4K sensor, the sharpest video specification here - 5200mAh battery paired with dual solar panels - Dual-seed hopper for two seed blends - Kiwibit states the lens is bird-feeder-focused only **Cons:** - The most expensive pick in this set - Heaviest at 6.3 lb, so check your mounting hardware - AI bird ID likely relies on a paid subscription after trial [Check Price on Amazon](https://www.amazon.com/dp/B0FHW2TCRX?tag=scootermuseum-20) ## 2\. HEAPETS Smart Bird Feeder with Camera Solar Powered — Runner-up **The HEAPETS G02 is the runner-up because it delivers 2K live streaming, AI bird ID and multi-mount installation from the entry price band.** [![HEAPETS red solar-powered smart bird feeder with camera mounted on a garden pole — the entry-tier camera pick](https://m.media-amazon.com/images/I/51ThMVx0gxL._SL500_.jpg)](https://www.amazon.com/dp/B0DSDFV4Z2?tag=scootermuseum-20) **Best for:** buyers who want a camera feeder without the premium price position **Skip it if:** you need a wide-angle lens or a stated hopper size The G02 lands in second position on price and carries the second-fastest sales rank of the six, at 1009 in its category. That combination is what earns it the runner-up slot: it is the one buyers choose most often here at an entry price. The camera is 2K rather than 4K, and HEAPETS says the AI recognises 10,000+ species after a one-month free trial, with subsequent months on a subscription. The frame measures 10 x 9.56 x 7.48 in and weighs 3.46 lb, which mounts on a tree, pole or wall with the included hardware. The listing colour is red, so if you were set on a green feeder, note the visual difference. Two gaps worth flagging: HEAPETS does not publish a hopper size, unlike the Kiwibit BW512 and both HARYMOR units, and there is no stated lens angle, unlike the HARYMOR Q8's 120° figure. Compared with the Kiwibit BW512, you give up 4K, the dual-seed hopper and the larger battery specification. You get an easier price to swallow and a lighter unit to mount. **Pros:** - Second-cheapest of the six with a working camera - 2K live streaming with app notifications - Multi-mount installation on tree, pole or wall - Lighter than the top pick at 3.46 lb - Fastest sales rank of the camera picks **Cons:** - Hopper size is not published - Lens angle not stated on the listing - AI bird ID requires a subscription after the trial [Check Price on Amazon](https://www.amazon.com/dp/B0DSDFV4Z2?tag=scootermuseum-20) ## 3\. HARYMOR Bird Feeder with Camera — Best for beginners **The HARYMOR Q8 camera model earns the beginner slot because it bundles a 2L hopper, a mini nectar feeder for hummingbirds and 2K video with 3x zoom in one box.** [![HARYMOR dark green solar bird feeder with camera and detachable mini hummingbird nectar feeder — a two-in-one starter kit](https://m.media-amazon.com/images/I/41HpPszeaOL._SL500_.jpg)](https://www.amazon.com/dp/B0DYDGBGQT?tag=scootermuseum-20) **Best for:** first-time camera-feeder buyers who also want to try hummingbirds **Skip it if:** you want the sharpest possible video This 5.03 lb unit measures 8.66 x 8.66 x 10.8 in and sits in the middle of the set on price. HARYMOR says the 2L food capacity is meant to support multiple birds at once, and the detachable mini hummingbird feeders let you offer nectar alongside seed on the same mount. That combination is what makes it a beginner pick: you are testing two feeding styles at once without buying two units. Video is 2K with 3x zoom, and HARYMOR says the built-in solar panel is designed for year-round operation without frequent charging. The trade-offs against the Kiwibit BW512 are the 2K sensor rather than 4K, and a single-blend hopper rather than a dual-seed layout. The trade-off against the cheaper HEAPETS runner-up is a much slower sales rank in this set, at 28518, so fewer buyers pick it up despite the larger hopper claim. If you already know hummingbirds are your priority, a dedicated nectar feeder will do a better job than a bolt-on accessory. Beginners just want to see what turns up. **Pros:** - 2L food capacity claim, generous for a mid-tier unit - Detachable mini nectar feeder included - 2K video with 3x zoom - Multi-mount hardware, easy to reposition - Same Q8 model family as the minimal-setup pick **Cons:** - Slowest sales rank of the six - 2K sensor, not the 4K of the top pick - Single-blend seed hopper only [Check Price on Amazon](https://www.amazon.com/dp/B0DYDGBGQT?tag=scootermuseum-20) ## 4\. HARYMOR Smart Bird Feeder with Camera — Best minimal setup **The HARYMOR Q8 in green earns the minimal-setup award because its 2.52 lb frame and separately mounted 3W external solar panel let you place camera and sun independently.** [![HARYMOR green solar bird feeder with camera and separately mounted 3W external solar panel — a light unit for shaded yards](https://m.media-amazon.com/images/I/41DkipO5IwL._SL500_.jpg)](https://www.amazon.com/dp/B0C4Y6D5BD?tag=scootermuseum-20) **Best for:** a shaded yard where the external panel can be angled at the sun **Skip it if:** you want 4K footage of every visitor At 8.66 x 8.66 x 10.83 in and 2.52 lb, this Q8 variant is the second-lightest camera unit in the group. What separates it from the beginner pick is that HARYMOR pairs a 3W built-in panel with an additional 3W external panel. If your best mounting spot is under a tree, that external panel goes on a sunnier rail or post. The lens is 120° wide-angle, which is the widest published field in this set, and HARYMOR says the motion-triggered footage stores to cloud on a three-day loop under a two-year trial, or to a memory card up to 128GB that you supply. Video is 2K rather than 4K, and there is no included nectar accessory, which is why this Q8 costs less than the beginner variant despite sharing the model number. Against the Kiwibit picks, you give up sensor resolution and, in the BW512's case, the dual-seed hopper. You gain a lighter body and a panel you can point at the sun without moving the feeder. **Pros:** - Second-lightest camera unit at 2.52 lb - External 3W solar panel mounts separately - 120° wide-angle lens, widest in this set - 2L food capacity claim - Cloud or SD-card storage options **Cons:** - 2K sensor rather than 4K - No nectar accessory in the box - AI bird ID sits behind a subscription after trial [Check Price on Amazon](https://www.amazon.com/dp/B0C4Y6D5BD?tag=scootermuseum-20) ## 5\. Kiwibit Solar Powered Smart Bird Feeder with Camera 2 Mini — Best for pros **The Kiwibit BW514 is the pro pick because it delivers 4K UHD with HDR in a 2.5 lb body, the lightest 4K unit here.** [![Kiwibit BW514 compact 4K solar bird feeder with camera and integrated solar roof — the lightest 4K unit in the set](https://m.media-amazon.com/images/I/51lR8esEXhL._SL500_.jpg)](https://www.amazon.com/dp/B0H1RLSG6W?tag=scootermuseum-20) **Best for:** a birder who values compact 4K hardware over hopper size **Skip it if:** you need a large seed reservoir or dual seed blends At 8.2 x 7 x 5.4 in and 2.5 lb, the BW514 is the lightest camera unit in the group and the smallest by dimensions. Kiwibit says the integrated solar roof supplements power rather than replacing wall charging outright, and the mount kit works on a wall, pole or fence over 2.4GHz WiFi. FeatherPal AI is a Kiwibit Premium subscription feature with a 30-day free trial, per the listing. This is the specification profile a working birder wants: the sharpest sensor on offer here, minus the mass and dual hopper of the flagship BW512\. Kiwibit does not publish a seed capacity for this smaller unit, which is the honest trade-off you make for the compact body. Compared with the top pick, you lose the 1.5L dual hopper and the larger 5200mAh battery figure, and it still sits in the premium price band. Compared with the HARYMOR minimal-setup pick, you gain 4K but lose the 120° wide-angle lens and the separately mounted external panel. **Pros:** - Lightest 4K camera feeder in the set at 2.5 lb - Smallest footprint of the camera units - HDR-enhanced imaging per the listing - Wall, pole or fence mounting included - 30-day AI trial via Kiwibit Premium **Cons:** - No published hopper size - Solar roof described only as supplemental power - Premium price position without the flagship's hopper [Check Price on Amazon](https://www.amazon.com/dp/B0H1RLSG6W?tag=scootermuseum-20) ## 6\. DesGully Solar Bird Feeders for Outdoors Hanging — Best budget pick **The DesGully hanging feeder is the budget pick because it is the cheapest of the six and the only one that uses its solar cell for a night lantern rather than a camera.** [![DesGully metal solar hanging bird feeder with lantern base and gazebo roof — a decorative non-camera option](https://m.media-amazon.com/images/I/51RON4txXrL._SL500_.jpg)](https://www.amazon.com/dp/B09VX523M9?tag=scootermuseum-20) **Best for:** a decorative garden feeder with a soft evening lantern glow **Skip it if:** you want a camera, an app or bird ID At 7.8 x 7 x 7 in and 0.64 lb empty, the DesGully is a metal hanging feeder with a panoramic gazebo roof, six seed outlets and a circular platform. DesGully says the hopper holds 2.4 lb of seed, the chains and hooks are rated to 30 lb, and the surface is rust- and sun-resistant. The solar element is a lantern that DesGully says runs 8-10 hours after a daylight charge, so this is decorative light after dark, not video. If you have been reading this guide expecting a camera under every heading, this is the one that resets the definition of "solar bird feeder". It is the cheapest here, comes fully assembled and, by dry weight, the lightest to hang. What it does not do is stream, notify, identify or record. It also has the second-slowest sales rank of the six at 7740, well behind the camera options above it, which tells you where current buyer demand actually sits. Get it as a second feeder for a shaded corner, not a replacement for a camera unit. **Pros:** - Cheapest of the six by a clear margin - 2.4 lb published seed capacity - 30 lb rated chains for heavy fills - Comes fully assembled and ready to hang - Lantern doubles as evening garden light **Cons:** - No camera, no app, no bird ID - Solar cell only powers the lantern - Second-slowest sales rank in the set [Check Price on Amazon](https://www.amazon.com/dp/B09VX523M9?tag=scootermuseum-20) ## How much seed does a hopper really hold? Hopper capacity is the specification that most listings fudge, so read the numbers carefully. - The Kiwibit BW512 claims 1.5L split across two seed compartments. - Both HARYMOR units claim a 2L food capacity. - The DesGully budget pick states 2.4 lb of seed, which is a weight rather than a volume. - The HEAPETS and Kiwibit BW514 do not publish a stated hopper size. Volumes and weights do not translate one to one. A litre of black-oil sunflower seed weighs less than a litre of a mixed feed with corn and millet. If a listing gives you neither figure, plan on refilling more often than you would like. In practice, hopper size matters most in two scenarios: a busy yard that empties a feeder in a day, and a trip away when nobody is home to top it up. For everyday backyard use, a 1.5L to 2L hopper is enough for two to four days of moderate traffic. A weekend away with a camera streaming is where you feel the difference. ## Camera or lantern: which type of solar feeder do you want? There are two products fighting for the phrase "solar bird feeder", and they are not close cousins. The first is the smart camera feeder. The solar top-up keeps the camera alive between USB charges, and the app streams video, sends arrival alerts and runs AI species ID, usually with a subscription after a trial. Five of the six picks here follow that pattern: both Kiwibit units, both HARYMOR units and the HEAPETS. The second is the decorative lantern feeder. The solar cell drives an LED that lights the feeder after dark. There is no camera, no app and no ID. The DesGully is the only pick in this set that follows that pattern, and it costs a fraction of what the camera units cost. Both types are legitimate answers to "best solar bird feeder", so decide which one you are shopping for before you compare specifications. Buying a lantern feeder expecting a live stream is the single biggest way to be disappointed in this category. ## What the listings do not tell you The manufacturer copy is careful about what it omits. A few useful gaps to keep in mind: 1. **Solar is a supplement, not a replacement.** Kiwibit describes the BW514's roof as "supplementing power during outdoor use". The BW512 pairs solar with a rechargeable 5200mAh battery. HARYMOR's Q8 uses two 3W panels *and* a rechargeable battery. Every camera pick here still expects a USB top-up in poor weather. 2. **AI bird ID is a service, not a feature.** Kiwibit ties its FeatherPal AI to a Premium subscription with a 30-day trial. HEAPETS offers a one-month free trial, then monthly or longer plans. Budget for the recurring cost, not just the hardware. 3. **Cloud storage runs on trials.** HARYMOR states a three-day cloud loop under a two-year trial. What happens on day 731 is a decision you will need to make later. 4. **Availability signals vary.** Some picks list one seller, others two or three. That says nothing about future stock, only about how the listing looks today. ## Mounting: where will yours actually go? Weight decides mounting more than any other spec, so line up the numbers before you buy: - DesGully hanging feeder: 0.64 lb empty, chains rated to 30 lb (per the listing). - HARYMOR Q8 minimal-setup camera: 2.52 lb. - Kiwibit BW514 4K: 2.5 lb. - HEAPETS G02: 3.46 lb. - HARYMOR Q8 beginner camera: 5.03 lb. - Kiwibit BW512 flagship: 6.3 lb. A shepherd's hook rated for 5 lb is fine for the DesGully, the two lightest camera units and the HEAPETS. It is not fine for a full BW512 with seed and a full hopper. For the two heaviest picks, mount to a solid post, a fence rail or a wall bracket rather than a slim ground stake, and factor in seed weight on top. Also think about camera angle. A wide 120° lens on the HARYMOR Q8 forgives an off-centre mount. A narrower field, unspecified on the Kiwibit and HEAPETS listings, punishes it. Put camera units where the perch fills the frame with the sky as the background, not a busy shrub. ## The verdict The best solar bird feeder is the Kiwibit Solar Smart Bird Feeder with Camera, the BW512\. It brings the largest published hopper of the six at 1.5L, the sharpest sensor at 4K, the biggest stated battery at 5200mAh and the only dual-seed layout in the set. If you are willing to sit in the premium price band, no other pick here matches that combination. Two conditions flip the recommendation. First, if you want a camera feeder without paying premium, the HEAPETS G02 is the runner-up and the entry-tier answer: 2K, multi-mount, 3.46 lb, and the fastest sales rank of the six. Second, if 4K matters more to you than a large hopper, the Kiwibit BW514 gives you the same sharpest-in-set sensor in a 2.5 lb body, at the cost of a published seed capacity. If you are not shopping for a camera at all, the DesGully hanging lantern is a completely different product for a completely different corner of the yard, and it is the cheapest of the six by a wide margin. ## FAQ ### Is a solar bird feeder worth it over a plain feeder? A solar bird feeder is worth it when the solar cell is doing real work: keeping a camera charged between USB top-ups, or driving a night lantern. Five of the six picks here use solar to supplement a camera battery. The DesGully uses it for an 8-10 hour evening light per its listing. If you would use neither feature, a plain hopper feeder is fine and costs less. ### How does the best solar bird feeder handle cloudy weather? The best solar bird feeder in this set handles cloudy weather by pairing panels with a rechargeable battery, not by relying on the sun alone. The Kiwibit BW512 uses dual solar panels and a 5200mAh battery. HARYMOR's Q8 pairs a 3W built-in panel with a 3W external panel. Kiwibit describes its BW514 roof as supplementing power. Expect an occasional USB top-up during a grey week. ### Kiwibit BW512 or HEAPETS G02: which camera feeder should I buy? Kiwibit BW512 or HEAPETS G02 comes down to hopper, resolution and price band. Choose the BW512 for the 1.5L dual-seed hopper, 4K video, 5200mAh battery and 6.3 lb frame if you want the flagship. Choose the HEAPETS G02 for 2K video, a 3.46 lb body, multi-mount hardware and the entry-tier price if you want a camera without paying premium. ### Does the best solar bird feeder need a subscription? Does the best solar bird feeder need a subscription for full use? Usually yes. Kiwibit ties FeatherPal AI on the BW514 to Kiwibit Premium with a 30-day free trial. HEAPETS lists a one-month free trial before a monthly or longer plan. HARYMOR mentions a two-year cloud trial on its Q8\. Live viewing usually works without a plan; AI species ID and long-term cloud storage usually do not. ### What size hopper does a backyard solar bird feeder need? What size hopper suits a backyard depends on traffic and refill habits. In this set, the DesGully holds 2.4 lb of seed, the HARYMOR Q8 units claim 2L, and the Kiwibit BW512 claims 1.5L across two compartments. The Kiwibit BW514 and HEAPETS G02 do not publish a size. For daily topping up, any of these is enough; for a weekend away, favour the 2L HARYMOR or the DesGully. Start with the type of solar bird feeder you actually want: a camera unit or a lantern. If it is a camera, the Kiwibit BW512 is the default because it wins on hopper, sensor and battery, and only loses on price and weight. If the premium price band is a no, drop to the HEAPETS G02 and accept 2K video. If you want a decorative feeder that glows after sunset, buy the DesGully as a second feeder rather than a replacement. Check the pole or hook rating against the weight of the pick you choose before you order, and pick a mount spot where the perch sits against sky, not shrubbery. *Last updated: September 10, 2026\. Product availability re-checked.* *This page contains affiliate links. As an Amazon Associate we earn from qualifying purchases, at no extra cost to you.*