Capacity (Ah): 3.5 Ah (3500mAh)
Energy (Wh): 12.95 Wh
Nominal Voltage (V): 3.6V - 3.7V
Charging Voltage (V): 4.2 V
Weight (g): 46 g /1.62 oz
Diameter (mm): 18.6 mm (+/- 0.03)
Height (mm): 68.9 mm (+/- 0.03)
Max. Discharge rate: 5A
Pulse current (5-6 sec.): 8A
Chemical Composition: Li-ion (Lithium-Ion) Hybrid
Button Top: Yes
External |welded PCB | Safety Protection: Yes, Fully Protected 

Important Precautions:

Never use force to install (insert) Li-ion battery.
Charge fully before first use.
Use only high-quality Li-ion battery CC/CV chargers.
Do not expose to heat.
Never charge the battery over 4.25V - It will activate safety protection (another reason to use good Li-ion battery charger).
Do not charge unattended.
Do not store your li-ion batteries fully charged (for an extended period of time-one month and more).
After the battery is discharged - don't leave it discharged > charge it as soon as possible.
Store in cold and dry place at approximately 3.6V-3.7V.
Never try to charge Li-ion batteries with battery chargers that are not made for Li-ion batteries.
Do not try to open, or modify this battery.