Trustfire Rechargeable 18350 1200mAh 3.7V Li-ion Battery With PCB Protection.
This is the “Button Top” version for sale here.

Product Description.

Features:-
18350 rechargeable “Button Top” lithium ion battery has a light weight, large capacity, no memory effect, high efficiency, etc.
Environment friendly and perfect for LED flashlight, digital camera, laser, pen and other devices

Specification:-
TrustFire rechargeable “Button Top” lithium ion battery.
Model: 18350
Capacity: 1200 mah
High rate discharge, no "memory effect", short circuit, over charge and discharge protection.

Package Includes:-
1x TF18350 Protected “Button Top” 1200mAh Battery

Nominal voltage: 3.7 V
Resistance: ≤40mOhm.
Charging current: 2750 ma.
Charging voltage: 4.2 V.
Charging time: 2 h
Overall size: 18.33mm (diameter) 37.89 mm (length)
Net weight: 21.5g
Package included:
Each Cell, Boxed.
100% brand new.