Rechargeable 18650 Li-ion Battery 3.7V 2200mAh (Recycled)
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Prices updated: 14 Oct 2026
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About this product
A cylindrical 18650 lithium-ion rechargeable cell rated at 3.7 V nominal and 2200 mAh. It suits portable devices that need high energy density and low weight. Several cells can be connected in series for more voltage or in parallel for more capacity and current. The listing describes this cell as recycled.
Specifications
- Chemistry
- Lithium-Ion (Li-ion)
- Format
- 18650 cylindrical
- Nominal voltage
- 3.7 V
- Capacity
- 2200 mAh
- Condition
- Recycled
Frequently asked questions
Which charger should I use for this 18650 cell?
Use a charger made for single-cell lithium-ion batteries, which charges to 4.2 V and stops there. Do not use a NiMH, NiCd or other-chemistry charger, as this can overheat or damage the cell.
Can I connect two of these cells to get 7.4 V?
Yes. Cells in series add voltage, giving about 7.4 V nominal for two cells. Use cells with the same capacity and charge level, and a protection and balancing circuit designed for two-cell Li-ion packs.
