Overview: Trust Fire Protected 900m Ah 3.7V Li-ion Li-ion Rechargeable Battery with PCB -Gray (2-Pack) Precise digital protection circuit built-in High rate discharge, no memory effect Don't heat, incinerate or reverse polarity Specification: Trust Fire 14500 900m Ah 3.7 V Dimension (CM):2.8 x 1.4 x 5.2 Weight (Kg):0.0411