This is a high quality, rechargeable 4200mAh 21700 . Its flat top battery features a 30A rating and is safe to use in regulated mods. These batteries are sold in singles and come with a free protective battery case.
Batteries usually have a cycle life of between 200-500 cycles (varies with manufacturer) before noticeable capacity drop off
- Size: 21700
- Capacity: 4200mAh
- Maximum Discharge: 30A
- Nominal Voltage: 3.6V
- Maximum Voltage: 4.2V
- Top: Flat-Top