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Excellent battery for any application that requires very high current (30 Amp max).

Low resistance, sub-ohm mechanical mod users will benefit from very small voltage drop,

Specifications:

•Max. Continuous Discharge 30 A
•Capacity 2100mAh
•Nominal Storage Voltage 3.6V-3.7V
•Standard Charging @ 1A-2A, 4.2V, CC/CV
•Fast charging @ 3.9A max., 4.2V, CC/CV
•Minimum Discharge Voltage Level 2.5V
•Internal impedance: ~19 mΩ, AC @1kHz, after charging @ 1C
•Weight 44g
•Height 65.5mm +/- 0.5mm
•Diameter 18.49 +/- 0.5mm
•Positive terminal: button top
Important- Warning:
•Never completely discharge li-ion battery ( below 2.5V ).
•Charge fully (to 4.2V) before first use.
•Never use force to install (insert) li-ion battery.
•Use only high quality battery chargers.
•Do not expose to heat.
•Do not short (connect) positive, and negative battery contacts. (Keep battery that is not in use in plastic holder [included])
•Do not charge battery over 4.29V (another reason to use good battery charger).
•Do not charge unattended.
•Do not store your li-ion batteries fully charged (for extended period of time).
•Store in cold and dry place at approximately 3.7V (storage charge).
•Never try to charge (or discharge) li-ion batteries with battery chargers that are not made for Li-ion batteries.
•After battery is discharged-don't leave it discharged=>charge it as soon as possible.