This is a Gens Ace 4500mAh 11.1V 40C 3S1P hardcase Lipo battery pack with Tplug connector by Redcat Racing. 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", and "priority" on sales and services. All batteries are tailored for various scales of the RC models such as electronic cars, nitro cars, aero planes, vessels, and also other models, toys, electric tools, electric bikes, electric autos, digital products etc.
Safety note: Gens ace and its partners fulfill the ISO9001, ISO14001 standards.