The 20000mAh 7.4V 2S2P 20C LiPo battery is part of Overlander's advanced Supersport XL range. This is our highest-capacity range, specially designed for use within large-scale UAVs. The exceptional capacities create crazy running times and huge amp draw. These battery packs are also extremely customisable; we are able to produce and manufacture lithium batteries in our UK warehouse, making it easier than ever to create your own ideal LiPo pack. Supersport XL cells are always carried in stock, making it really easy to get your perfect lithium pack fully manufactured to your specification and design here in the UK. These light-weight and conveniently sized battery packs cater for high-end users who are sure to be impressed with the power and capacity availability of this range!