Overview: Trust Fire Protected 18650 2000m Ah 3.7V Li-ion Rechargeable Batteries with PCB -White (2-Pack) Precise digital protection circuit built-in High rate discharge, no memory effect Don't heat, incinerate or reverse polarity Specification: Trust Fire 18650 2000m Ah 3.7 V Dimension (CM):3.6 x 1.8 x 6.8 Weight (Kg):0.0915