HYDAX 3.7V 1800mAh Li-Ion Battery 

• We Provide lithium-ion batteries with a variety of configurations and capacities. 

• Battery with a protection circuit provides over-voltage, under-voltage, and over-current protection. • Protection: The included protection circuit keeps the battery voltage from going too high (over-charging) or low (over-use) which means that the battery will cut out when completely dead at 2.5V. 

HYDAX 3.7V 4400mAh Li-Ion Battery

Lithium-ion batteries (LIBs) are considered the pioneering technology that has been successfully adopted as a power source for wide range of applications including portable electronics, electric/hybrid electric vehicles (EVs/HEVs).