Samsung 21700 40T Battery
This is the best battery on the market for regulated devices pulling up to 25A (up to ~75W).
This battery provides incredible performance for both regulated and mechanical devices, but truly shines when using a regulated device, with incredible battery life.
“This cell outperforms every 18650 and 20700 in regulated devices at up to about 20A-25A (60W-75W). Only the Samsung 30T hits harder for 21700s …
At above 20A-25A (60W-75W)
Nominal Capacity: 4000mAh
Discharge Current: 30A Maximum Continuous
Style: Flat Top
Approximate Dimensions: 21.1mm x 70.4mm
Approximate Weight: 66.8g
Batteries are sold individually.