Quhgahfa Lithium Polymer Battery: 3.7V power output
If your smartwatch or Bluetooth headset is gasping for power, this lithium polymer battery is here to save the day. With a 3.7V output, it's like giving your gadgets a shot of espresso. And because it's rechargeable, you're not just buying a battery—you're investing in a long-term relationship. Thanks to lithium polymer technology, it's light as a feather but packs a punch, making it ideal for swapping out tired old batteries or stashing one in your drawer 'just in case'. Because let's face it, nobody likes a dead device.
- For smartwatches and Bluetooth headsets
- Lithium polymer technology
- Rechargeable
- 3.7V power output
General specs
- Brand: Quhgahfa
- Seller: Joom
- Voltage: 3.7V
- Compatibility: Smartwatches, Bluetooth headsets
- Technology: Lithium polymer
- Rechargeable: Yes
- First listed by seller: 5/23/25
If you are interested in more details, you can find full information on the seller's page.
Shipping options
United States
Comparison with similar products
| This item | Recommendations | |||||
|---|---|---|---|---|---|---|
Lithium Polymer Battery 3.7V power output
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Lithium Polymer Battery 3.7V power output
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Sombrero 400909-40mAh Long-lasting power
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Rechargeable Battery for Smartwatches High capacity 380 mAh
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USB Smart Single-Slot Lithium Battery Charger Light indicator
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| Brand | Quhgahfa | Bunny House | Sombrero | CLOUD Phone Acc | AI Supermarket | Aloisia |
| Model | 400909-40mAh | |||||
| Color | ||||||
| Rating |
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| Price | $4.93 | $5.50 | $7.30 | $9.89 | $7.30 | $5.78 |
| Seller | Joom | Joom | Joom | Joom | Joom | Joom |
| Update | August 20, 2025 | August 20, 2025 | August 19, 2025 | August 18, 2025 | August 22, 2025 | August 23, 2025 |
| Voltage | 3.7V | 3.7V | 3.7V | |||
| Compatibility | Smartwatches, Bluetooth headsets | Smartwatches, Bluetooth headsets | Smartwatches | A1, DZ09, RYX-NX9, KSW-S6 | 18650 lithium batteries | 18650 lithium batteries |
Lithium Polymer Battery
Ethan D.
Reims
May 31, 2025
First impression: I got this to power up my kid's smartwatch and my own headset—both were on their last legs, and this thing arrived on time, saving the day. It's like a shot of energy, making everything run smoothly again. As a family guy with multiple devices to manage, it's a relief to have something reliable. I ride my scooter a lot, and having a backup battery stashed away is a game-changer. Honestly, it's incredibly handy and does what it says on the tin. No complaints here—it's a solid buy! 😊
- Pros: This battery is an incredibly proper workhorse; it gave my gadgets a real boost, and being rechargeable means I'm not constantly buying new ones. It's light but powerful, perfect for swapping out or keeping as a spare.