Kiwibit Solar 4K specs
| Brand | Kiwibit |
|---|---|
| Type | Seed feeder |
| Camera | 4K HDR video, 8 MP photos, F2.8 lens, two-way audio |
| Field of view | 132° (maker figure) |
| Night vision | Infrared |
| AI bird ID | AI ID needs a plan. Live view, replay and sharing are free; FeatherPal AI species ID needs Kiwibit Premium after a 30-day trial, or buy the Lifetime AI version. |
| Plans | Kiwibit Premium (one camera): $95.88/yr (FeatherPal AI species ID, up to 60-day cloud history; $7.99/month per camera: Amazon listing and The Gadgeteer (Apr 2026)) · Kiwibit Premium (unlimited cameras): $119.88/yr (same features across every camera; $9.99/month: The Gadgeteer (Apr 2026)) |
| Storage | Free 1-day cloud history; microSD up to 512 GB; up to 60 days with Premium |
| Battery | 5,200 mAh |
| Solar | Built-in solar roof (4.4 W dual-panel solar roof) |
| Wi-Fi | 2.4 GHz |
| Capacity | 1.5 L seed |
| Squirrels | No squirrel defense. Plastic body; Kiwibit sells a squirrel-proof attachment separately. |
| Weather rating | IP65 |
| Mounting | Wall, pole or tree (pole not included) |
| Warranty | 1 year |
| Price tier | $$ Mid-range ($100–$180). See Amazon for today's price. |
- The Gadgeteer tested this feeder as the "Kiwibit Bird Feeder 2" (4.4 W solar roof, 5,200 mAh, 1.5 L, IP65, -4°F to 122°F, 3.2 lb).
- Amazon showed $169.98 (list $239.99) for the base listing and $229.99 for Lifetime AI on Nov 12, 2026.
Versions sold on Amazon
Each option is a separate Amazon listing. Prices are what Amazon showed on November 12, 2026, not live.
| Option | What's different | Price |
|---|---|---|
| Kiwibit Solar 4K HDR | AI ID after the 30-day trial needs Premium | Check price |
| Kiwibit Solar 4K, Lifetime AI | Same feeder with AI ID and 60-day cloud unlocked for life | Check price |
Specs are compiled from manufacturer listings and independent reviews and may change between production runs. Check the signal and sun at your spot with the placement checker before you mount it.
The Kiwibit Solar 4K HDR (tested by The Gadgeteer as the “Kiwibit Bird Feeder 2”) has the sharpest camera and the strongest built-in solar we’ve found at its price: 4K HDR video and 8 MP photos through an F2.8 lens, a 132° view, and a 4.4 W dual-panel solar roof feeding a removable 5,200 mAh battery. Amazon showed it at $169.98 on November 12, 2026 (list $239.99), or $229.99 for the version with lifetime AI. We haven’t tested it ourselves; The Gadgeteer ran it for four days in a Texas backyard in April 2026, and we cite its results.
Who it’s for
Detail lovers in sunny yards. Buy the Lifetime AI version if you want species names, or the standard one if you’re happy just watching and recording. If you want ID included without paying extra, Birdfy’s feeders are the alternative.
Camera
The Gadgeteer found the 4K, 8 MP camera noticeably sharper than the 1080p and 2K cameras on most rivals, with individual feather detail on cardinals and blue jays in good light. Two caveats came out of its testing:
- Fixed focus. Birds about six inches or more from the lens look sharp; very close “face-to-lens” visitors can look soft.
- Low light. Dawn and dusk shots are usable but softer, and infrared night shots aren’t gallery-worthy.
The app’s live view defaults to Auto resolution; switch to 4K manually if your Wi-Fi can carry it. Two-way audio lets you hear birdsong live.
AI ID: subscription or lifetime
Live view, replay, 4× zoom, sharing with up to 20 devices and Kiwibit’s KBTV are free. FeatherPal AI species ID needs Premium after a 30-day trial. The listing says Premium starts at $7.99 a month; The Gadgeteer reported $7.99 per camera or $9.99 a month for unlimited cameras, and found the AI accurate on regular visitors (cardinals, jays, sparrows, doves), with some misses on juveniles and partly hidden birds.
The Lifetime AI listing costs $60 more and unlocks ID plus up to 60 days of cloud history for good. At $95.88 a year for one camera, that pays for itself in under a year. Model your own case in the true cost calculator.
Solar and battery
The roof holds two 2.2 W panels (4.4 W combined). In sunny Texas spring weather The Gadgeteer never had to charge it, and on overcast days charging slowed rather than stopped. Turning on 3-minute extended recording (a Premium feature) can drain the battery in under a week even with solar, so stick with short clips. The battery is removable and charges over USB-C for long gray spells. Kiwibit rates the feeder for -4°F to 122°F; see do smart bird feeders work in winter?.
Build and storage
The 1.5 L hopper has two compartments for different seeds, it detaches for cleaning, and the housing is IP65. Wi-Fi is 2.4 GHz only. Free cloud history is one rolling day, so a high-endurance microSD card is worth adding if you don’t subscribe. There’s no squirrel defense; Kiwibit sells a squirrel-proof attachment separately. Warranty is 12 months.
Alternatives
- Birdfy Metal 2 4K: 4K with free ID, a metal body and dual-band Wi-Fi for $219.99.
- Kiwibit 2 Mini: a smaller, cheaper 4K Kiwibit.
- Birdbuddy Pro Solar: the better app, a 2K camera and a $69.99 yearly plan.
The verdict
Kiwibit’s 4K solar feeder backs up its spec sheet: sharp 4K and a roof that keeps itself charged in sun. The only real question is ID. Pay once with the Lifetime AI version, or skip ID and enjoy a bargain 4K feeder. Check the Kiwibit Solar 4K on Amazon, or read our best solar bird feeder cameras.
Accessories and supplies for the Kiwibit Solar 4K
Official and universal add-ons sold on Amazon: poles and baffles, solar, storage and the seed you'll keep buying. Check the listing confirms your exact model before you buy.
- Mounting109-inch heavy-duty bird feeder pole kit with 5-prong baseUniversal fit
Every feeder here needs a pole for the most squirrel-resistant setup; none include one. Adjustable height and a hook suit hanging Bird Buddy and Perky-Pet feeders. Birdfy and Kiwibit feeders clamp to a pole with their own bracket; check the pole diameter against the bracket.
- Squirrel-proofing19-inch squirrel baffle for bird feeder polesUniversal fit
A wide baffle on a pole placed about 10 ft from jump-off points beats any squirrel feature built into a feeder. Mount it 4–5 ft up; a baffle doesn't help if squirrels can jump from a roof, fence or branch.
- StorageSanDisk 64GB High Endurance microSDXC cardCompatible, third-party
Local recording without a cloud plan, and a backup when Wi-Fi drops. High Endurance cards are rated for continuous camera writes. Only feeders with a microSD slot. The birdsnap TUC ships with a 32 GB card; this is a larger spare.
- SeedWagner's 76027 Black Oil Sunflower Wild Bird Food, 25 lbUniversal fit
The one seed nearly every feeder bird eats. Buying 25 lb at a time keeps the cost per pound low, and over 13,000 Amazon ratings say the bags are consistent.
- SeedMorning Song Sunflower Hearts & Chips Wild Bird Seed, 10 lbUniversal fit
Hulled sunflower: no shells to clog a camera tray or pile up under the feeder, and small birds eat it faster. Costs more per pound than in-shell seed. Keep it dry; FeederWatch notes hulled seed spoils faster than seed in the shell.
- SeedPennington Select Safflower Seed, 15 lbUniversal fit
Cardinals, titmice and doves take it; squirrels and grackles mostly don't. A good switch when the feeder is being raided.
- SeedWagner's 62050 Nyjer Seed Wild Bird Food, 10 lbUniversal fit
The goldfinch and siskin seed. Nyjer is tiny and spills from most open-tray camera feeders. Use it in a separate small-port finch feeder placed in view of the camera, or a hopper with fine ports.
- SuetHeath DD4-10 All Season High Energy Suet Cakes (10-pack)Universal fit
Woodpeckers, nuthatches, chickadees and wrens. Put a suet cage next to a seed camera feeder, or use a suet-ball holder where the feeder supports one.
- SuetC&S Hot Pepper Delight No-Melt Suet DoughUniversal fit
No-melt suet for warm months, with hot pepper that squirrels tend to leave alone while birds eat it normally.
- MealwormsI LOVE WORMS Dried Mealworms, 5 lbUniversal fit
The bluebird magnet, and a favorite of wrens, chickadees and robins. A small handful in a tray-style camera feeder brings species that ignore seed.
Compatibility checked November 2026. More in our bird feeder camera accessories guide.
Featured in our guides
- The 8 Best Bird Feeder Cameras of 2026: Smart Feeders Ranked by Camera, AI ID and True Cost
- Best Smart Bird Feeders Without a Subscription (2026): Free AI Bird ID, No Monthly Fees
- Best 4K Bird Feeder Camera (2026): Five True 4K Smart Feeders Compared, and When 4K Actually Matters
- Best Solar Bird Feeder Cameras (2026): Built-In Roofs vs Separate Panels
