
Panasonic NCR18650B 3400mAh 3.7V 18650 Li-ion Rechargeable Battery
Currently unavailable
No store has this product in stock right now. Prices below are the last ones we recorded.
Prices updated: 14 Oct 2026
Price history
Lowest daily price, last 90 days
Not enough price history yet.
About this product
A Panasonic NCR18650B 18650 lithium-ion cell rated at 3400 mAh (12 Wh) and 3.7 V nominal. It is sold without a protection board, so it is used in battery packs and projects with a suitable protection circuit and charger. It is commonly used in DIY battery packs and portable electronics.
Specifications
- Chemistry
- Lithium-ion
- Capacity
- 3400 mAh (12 Wh)
- Nominal voltage
- 3.7 V (3.7-4.2 V range)
- Discharge cut-off voltage
- 2.75 V
- Internal resistance
- 40 mΩ or less
- Dimensions
- Diameter 18 mm x 65 mm
- Cycle life
- Up to 1500 charge cycles
- Certification
- UN38.3 passed, IEC listed
Frequently asked questions
Does it include a protection circuit?
No. The listing states that the protected board is not included. Use a protection circuit (BMS) or a protected charger designed for Li-ion cells when building a pack.
What charging voltage should I use?
The listing gives a standard charging range of 3.7 V to 4.2 V, with the cell discharged to 2.75 V. Charge it only with a lithium-ion charger that stops at 4.2 V.





