Description The battery is implanted with G-Tech chip and can be automatically identified; communicated and charged with the G-Tech Eco Smart Charger; and can also be regularly charged with a normal charger. Application: Gens ace G-Tech hardcase lipo 4000mah 2S2P 60C battery is suitable for Axial 1/10 Wraith Rock Racer RTR; Associated 1/10 SC10 4x4; Redcat Racing 1/10 SC-10E; Team Associated Apex2 A550 Rally Sport RTR 1/10 Electric 4WD; Team Associated 1/10 Enduro Trail Truck Knightrunner 4WD RT