Gens ace G-Tech 300mAh 11.1V 45C 3S1P LiPo Battery Pack with JST-SYP Plug 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 of exquisite battery technology. The Gens Ace brand holds the traditional concept of "excellent quality", "Optimization" & "Priority" in Sales & Services. All batteries are tailored for various scales of the RC Models such as electronic cars, aero planes, vessels and other models, toys, electric tools, electric bikes, electric autos, digital products, etc