Capacity/Cells/Voltage: 3850mAh / 3S / 11.1V Max Cont. Discharge: 30C Max Burst Discharge: 60C Max Cont. Current: 116A Max Burst Current: 231A Weight Grams: 312 Dimensions: 27 x 46 x 144 Replaces the popular eXtreme V2 series of batteries, delivering upwards of 25% more power and 4 times the cycle life. Offers the industrys highest level of power delivery at the lowest weight possible (the same weight as most other 20C to 25C continuous discharge rate capable batteries with up to 30% more power) Industry-leading cycle life and longevity up to 4-times better than other brands offers long-lasting value and performance Perfectly suited for pylon racer, electric ducted fan (EDF) and other high-power airplane applications The best choice for maximum power and cycle life for 250 to .90/700-size extreme 3D performance helicopter models Capable of continuous discharge rates up to 30C and burst discharge rates up to 60C, delivering higher voltage under typical and heavy loads than most other 25C to 35C continuous discharge rate capable batteries Capable of being charged safely at rates up to 3C (when using approved charger/balancer combinations) Cells are matched by internal resistance, capacity and voltage for maximum power delivery and cycle life with packs assembled by Thunder Power in Las Vegas, NV USA