Cameronsino Replacement Battery for Smartwatches: 300 mAh capacity
Available Options
300 mAh
Joom
$29.99
Out of stock
If your Garmin Fenix 3 or Fenix 3 HR is gasping for battery life, this high-quality replacement battery is like a shot of espresso for your smartwatch. Packing a 300 mAh punch, it’s got the stamina to keep up with your marathon training, hiking adventures, or just binge-watching your favorite shows (hey, no judgment). It’s the perfect way to squeeze more life out of your gadget without it slowing down when you need it most.
Why you’ll love it:
- Snaps right into place like it was made for your watch (because it was).
- No more fretting over your watch dying mid-workout—this battery’s as reliable as your morning alarm.
- Installing it is a breeze, even if you’re all thumbs when it comes to tech.
- Compatible with Garmin Fenix 3
- Compatible with Garmin Fenix 3 HR
- High-quality replacement
- 300 mAh capacity
General specs
- Brand: Cameronsino
- Seller: Joom
- Capacity: 300 mAh
- Compatibility: Garmin Fenix 3, Garmin Fenix 3 HR
- First listed by seller: 7/18/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
#publicidad
$29.99
Last price update: 7/18/25
Out of stock
Shipping options
Delivery to 
United States
United States
Unavailable
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| Brand | Cameronsino | CLOUD Phone Acc | 3d printing machine | Sombrero | Samsung | Quhgahfa |
| Model | EB BR720ABE | 400909-40mAh | EB-BR800ABU, EB-BR810ABU, EB-BR170ABU | |||
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| Price | $29.99 | $9.85 | $11.69 | $7.52 | $19.99 | $4.91 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | July 14, 2025 | August 18, 2025 | August 29, 2025 | August 27, 2025 | August 8, 2025 | August 20, 2025 |
| Capacity | 300 mAh | 380 mAh | 250 mAh | 400909-40mAh | 427mAh | |
| Compatibility | Garmin Fenix 3, Garmin Fenix 3 HR | A1, DZ09, RYX-NX9, KSW-S6 | Samsung Gear S2 Classic SM R720, Samsung Gear S2 Classic SM R732 | Smartwatches | Samsung Gear S4 SM-R800, SM-R810, SM-R805, SM-R815 | Smartwatches, Bluetooth headsets |
Replacement Battery for Smartwatches
$29.99
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