Matsuyama HZ157. Battery technology: Sealed Lead Acid (VRLA), Battery capacity: 7000 mAh, Battery voltage: 12 V. Weight: 2.1 kg. Colour of product: Black. Operating temperature range (T-T): 0 - 50 °C, Storage temperature range (T-T): -20 - 60 °C, Operating relative humidity range: 25 - 85 %. Certification: RoHS