ElectroCN 502030 Polymer Lithium Battery: 200 mAh capacity
Ever had your smartwatch or Bluetooth earbuds die on you at the worst possible moment? Not with this polymer lithium battery—it's like the little engine that could, packing a 200 mAh punch in a 502030-sized package that slips into your gadgets like they were made for each other. (Spoiler: they kinda were.)
Why you'll love it:
- It's got the stamina of a marathon runner, thanks to that high energy density.
- Light as a feather, tough as nails—yep, that's the polymer magic at work.
- Whether you're in the Sahara or the Arctic, this battery keeps its cool (or warmth, depending).
Features
- For smart wearable devices
- Compatible with Bluetooth headsets
- Compact 502030 size
- 200 mAh capacity
General specs
- Brand: ElectroCN
- Model: 502030
- Seller: Joom
- ID: 680205f17841cc011796f41e
- Capacity: 200 mAh
- Size: 502030
- Compatibility: Smart wearable devices, Bluetooth headsets
- Type: Polymer Lithium
- First listed by seller: 6/21/25
If you are interested in more details, you can find full information on the seller's page.
View on seller's site
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$7.77
Last price update: 12/6/25
Out of stock
Price History for seller Joom
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United States
United States
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| Brand | ElectroCN | Emate | ISDT | QuasuHaven | LANPWR | |
| Model | 502030 | 3S 2200mAh 50C | pd20w | 608PD | V4 | |
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| Rating |
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| Price | $7.77 | $31.77 | $35.14 | $39.99 | $23.99 | $362.49 |
| Seller | Joom | Amazon | Gshopper | Gshopper | Amazon | Gshopper |
| Update | December 6, 2025 | December 6, 2025 | July 25, 2024 | July 25, 2024 | December 6, 2025 | July 25, 2024 |
| Capacity | 200 mAh | 10000mAh | 6040mAh | 100Ah | ||
Polymer Lithium Battery
$7.77
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