Sombrero 400909-40mAh High Capacity Rechargeable Battery: Long-lasting power
Give your smartwatch the juice it craves with this high-capacity rechargeable battery. Built to last (unlike your patience when your watch dies mid-workout), it keeps your gadget going longer, so you're not constantly hunting for a charger. Ideal for anyone who thinks 'low battery' is the ultimate buzzkill.
- Packs a 3.7V punch to keep your device running smoothly—no lag, no drama.
- With a 400909-40mAh capacity, it's like the Energizer Bunny for your wrist; it just keeps going.
- Fits more smartwatches than you can name, making it the universal donor of the tech world.
Features
- 3.7V output
- Compatible with smartwatches
- 400909-40mAh capacity
- Long-lasting power
General specs
- Brand: Sombrero
- Model: 400909-40mAh
- Seller: Joom
- ID: 650d1e55dc825901fee0faca
- Voltage: 3.7V
- Capacity: 400909-40mAh
- Compatibility: Smartwatches
- First listed by seller: May 23, 2025
If you are interested in more details, you can find full information on the seller's page.
RUB 595.85
Last price update: 8/29/25
Out of stock
Price History for seller Joom
Shipping options
Delivery to 
Russia
Russia
Available
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| Brand | Sombrero | ROYEUEU | Emate | Lucky Start | Lucky Start | |
| Model | 400909-40mAh | LIT-22 | 3S 2200mAh 50C | Smart watch | ||
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| Price | RUB 595.85 | RUB 3,079.24 | RUB 2,446.30 | RUB 5,185.53 | RUB 2,896.07 | RUB 1,847.24 |
| Seller | Joom | Retailer | Retailer | Joom | Joom | Gshopper |
| Update | Aug 27, 2025 | May 12, 2026 | Mar 21, 2026 | Jun 28, 2026 | Jun 28, 2026 | Jul 25, 2024 |
Sombrero 400909-40mAh Long-lasting power
RUB 595.85
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