2pcs 18650 19800/9900mAh Rechargeable Battery 3.7V Li-ion Battery For Flashlight/fan/Electric shaver

After receiving the battery, please fully charge it and use it to get the best use effect.

If the battery fails to work (contaminated with stains or metal oxidation during transportation), wipe the bottom and top of the battery with a towel and charge it for 5 hours before returning to normal use.

3.7V 18650 9900mAh Li-ion Rechargeable Battery

Please choose 19800 mAh option A for use on e-cigarettes

Features:

Rechargeable battery.

Recharging/ Discharging protection circuit.

No memory effect.

Low reccuring operation cost. Safe and environmental friendly.

Short-circuit and over-current protection.

Description:

Keep in a dry and cool place.

Sheef-life around 10 years.

Charges up to 500 times for an economical and responsible way

to keep your battery-powered devices working

Specifications:

Color: black & green

Size: 66*18mm

Capacity: 9900mAh

Voltage: 3.7V

Battery type: Li-ion

Quantity type: 2pcs, 4pcs

Warning:

The voltage of full charge and cut off discharge is 4.2V and 2.75V.

Don't heat, incinerate or reverse polarity.

Package Included: