... green environmental protection, high energy and other good feature. rear 36V10Ah battery with controller box and back light Technical data Battery ... 20-55°CCertificatesCE/ULCE/ULApplicationElectric bike, Electric motor, ebikeRange With One Charge≥30km (Motor 180W)≥40km (Motor 250W) ... battery consistency, stability, safety.3 Customers can provide OEM/ODM services:We supply 7V, 8V, 10V, 12V, 25V, 100V ...