FeaturesSealed lead-acid battery 12 V DC / 7AhPower: 650 VA (390 W)Provides backup power to prevent data lossIntelligent battery management with overcharge and over-discharge protectionLCD displayThe Maplin Energenie UPS With LCD Display 650 VA Lead Acid is the ultimate defence that provides backup power to prevent data loss. Compact and reliable - ideal for home and small office use, it protects your sensitive and valuable equipment. Include informative LCD display, audible and visual alarms and comes with intelligent battery management with overcharge and over-discharge protection.Uninterruptable 650 VA power supply with modified sine wave output. It features automatic AC voltage regulation (AVR) and intelligent surge overload and short-circuit protection.Battery: sealed lead-acid 12 V DC / 7Ah Power: 650 VA (390 W)Charge time: up to 12 hours Weight: 5.2 kgDimensions: 340 x 95 x 165 mm