Compared with ordinary batteries, this intelligent battery with high energy density, enough power to ensure longer working time.
Have a good high-rate discharge performance, up to 10C discharge;
Overcharge, short circuit protection, safe and reliable;

Mini Projector is smaller and lighter than the traditional type.
The battery should be flexible in shape and smaller in size, but capacity of battery will be higher than before.

This battery pack applied special designed protection circuit：
Over charge, Over discharge, Short circuit and over current protection.Prevent battery from fire and explosion.

Video door bell are widely used in every family. Real time video recording the visitors.Two way audio talk function .This Video door bell with 3.7V Lithium Rechargeable battery. 190mA standard working current, the standby power consumption is about 20~30mA.