Description
18650 2600Mah 3S1P 11.1 V lithium ion Battery Pack
Apsenx 3S1P 11.1V lithium battery pack uses high-quality 18650 cells, real capacity, and steady performance. Even after 300 cycles, it still keeps around 80% of its original capacity. Low self-discharge means you can leave it on the shelf for months without worrying it won’t charge again.
| Specification | Details |
|---|---|
| Model | Apsenx-18650-3S1P |
| Cell Voltage | 3.7V |
| Battery Pack Voltage | 11.1V |
| Voltage Range | 8.1V – 12.6V |
| Cell Capacity | 2600mAh |
| Battery Pack Capacity | 2600mAh |
| Power | 24.42Wh |
| Battery Pack Size | 67 × 56 × 40 mm |
| Cycle Life | >1000 cycles |
The steel shell is solid and rust-resistant, with a safety valve and a proper protection board inside. Wires, connectors, gauge, length—everything can be customized to match your device.
It works well in all kinds of compact devices: beauty tools, medical devices, speakers, smart bins, shavers, trimmers, and more. Small size, stable output, and easy to integrate.
For bulk orders, we offer factory-direct pricing, fast lead times, and flexible OEM/ODM support—custom voltage, capacity, branding, and packaging. Perfect for brands, manufacturers, and distributors looking for a reliable 11.1V battery supplier.












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