Amazon.com: 7.4V 5200Mah 12000Mah Battery,RC Fishing Bait Boat Battery for 2011-5 T188 T888 C18 H18 V007 So On, for Flytec and All Boats in The Picture, Bait Boat Lipo Battery, YLLLY-6686. :
RC Car Spare Parts 2S 7.4V 5200mAh 35C Lipo Battery T Plug
Common Sense RC 2S5200-35X Lectron Pro 7.4V 5200mAh 35c Lipo Battery w/XT60 connector and adaptor - Pedals Bike Shop
4 Packs] Ovonic 50c 2s 7.4v 5200mah lipo battery Hardcase for RC car – Ampow
TINDLING Superior Series 5200mAh 2S 7.4V 50C Hardcase Lipo Battery With T/Deans Plug – Tindling