1 x Samsung 25r 18650 high drain lithium battery.
- Nominal capacity: 2500 mah
- Max Discharge Current: 20A Continuous
- Nominal Voltage: 3.6v
- Full Charge Voltage: 4.2v
- Diameter: 18.33 +/- 0.07mm
- Length: 64.85 +/- 0.15mm
- Positive Terminal: Flat top
- Battery type/shape: 18650 Cylindrical
Warnings: Do not overcharge or over discharge, Recharge drained batteries immediately, Do not short circuit, Do not dispose of in fire, Do not expose to extreme heat or water, Please be familiar with handling lithium-ion batteries before purchase
Never Carry Loose batteries around in your pocket/bag.