FeaturesSealed lead-acid battery 12 V DC / 8AhPower: 850 VA (510 W)Provides backup power to prevent data lossIntelligent battery managementLCD displayThe Maplin Energenie 850 VA Lead Acid UPS with USB Controlled Interface & LCD Display 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 850 VA power supply for PC’s that features automatic output voltage regulation (AVR), short circuit, surge, spike and lightning protection. Also includes USB interface and practical UPS Management software.Battery: sealed lead-acid 12 V DC / 8Ah Power: 850 VA (510 W)Charge time: up to 12 hours Weight: 7 kgDimensions: 340 x 95 x 165 mm