Gens ace is one of the top rank battery corporations with deep research and manufacturing on NIMH, LI-PO, LI-FE by the effort of 200 professional engineers and technicians with 20 years exquisite battery technology. The Gens ace brand holds the traditional concept of "excellent quality", "Optimization"& "Priority" on Sales & Services. All batteries are tailored for various scales of the RC Models such as electronic cars, airplanes, vessels and also other models, toys, electric tools, electric bikes, electric autos, digital products etc. Specifications - Minimum Capacity: 3000mAh - Configuration: 2S / 7.4v / 2Cells - Net Weight(±10g): 104g - Dimensions: 97x28x18mm (LxWxH) - Connector: JST