This is 18650 battery with the typical capacity of 2000mAh. It is Lithium Ion based and rechargeable battery (Need proper charger) in cylindrical shape.
And since this single cell battery has higher voltage and capacity, rechargeable; it is a very economic solution in electronic or robotic projects. In some cases, this battery has been used for IoT devices powered by Solar or renewable energy. The battery become an energy storage devices. And of course it can be series up to get higher voltage, example connecting 2 units in series (2 x 18650 battery holder) to get 7.4V (norminal) or or 3 units(3 x 18650 battery holder) to get 11.1V using the 18650 battery holders.
Please do charge it using proper charger with balancer. Li-ion battery should be charged and discharged properly to prevent short lifespan and downgrade of its capacity.
In this video we recommend N2 Plus charger: [ Ссылка ]
Get this battery from: [ Ссылка ]
Panasonic NCR18650B (3400mAh): [ Ссылка ]
Single Cell 18650 Battery holder: [ Ссылка ]
Two Cells 18650 Battery holder: [ Ссылка ]
Three Cells 18650 Battery holder: [ Ссылка ]
