Weight: 40.80 g Dimensions: 1.97 io x 0.55 ( 5.00 cm x 1.40 cm) Model 14500 Capacity (mAh) 900 Voltage: 3.6V (fully charged 3.9V) Capacity (manufacturer claimed): 900mAh - Ideal upgraded power source for the compact LED flashlights - Can be charged by the AC charger - Ultra-high capacity and premium built quality