Samsung 40T 21700 Battery 4000mAh Battery
Battery Capacity: 4000mAh
Voltage: 3.6 V
Discharge: 40 A
Style: Flat Top
Dimensions: 21.1 x 70.4 mm
1x Samsung 40T 21700 Battery 4000mAh
These are high capacity and high discharge current batteries. If mishandled / mistreated, they can cause you SERIOUS INJURY. USE AT YOUR OWN RISK !
- Do NOT short.
- Do NOT leave unattended when charging.
- Do NOT leave unattended immediately AFTER charging.
- Do NOT carry in your pocket or purse unless they are in a secure non-conductive carry case.
- They are not toys. Do not let your children or pets play with them.
- Do NOT recharge with cheap chargers that keep on trickle charging after the normal cycle or that do not follow the Constant Current / Constant Voltage (CC/CV) algorithm properly.