Protected LC 16340 3.7V \"1000mAh\" Rechargeable Li-ion Batteries Battery - Yellow (2-Battery Pack)
Weight: 39.97 g Dimensions: 1.38 in x 0.59 in x 0.59 in Model 16340 Capacity (mAh) 1000 Rechargeable Yes - With integrated PCB Protection - Lithium Ion LC 16340 cylindrical rechargeable batteries - Typical Capacity: 1000mAh (Actually 550mAh) - Lighting or other device needing 3.7V power