Ofna RTR Hump 6V Battery Pack NiCd with Charge OFN90138 by OFNA Racing This is the Ofna Receiver Battery Pack with Charger for Ready to Run Nitro Vehicles. Features: 6V 700mah hump pack with high capacity NiCd chemistry For nitro powered vehicles needing extra capacity receiver packs Includes: Battery pack with universal connector AC wall charger Universal to JST adapter Requires: Charging and installing battery in vehicle Battery Specs: Length: 2"  (50mm)Width: 1.2" (30mm)Heigh