M-UPS-L8 Main Features: Small size, large capacity: provide long standby time, up to 4-5 hours, to the notebook PC. Use original notebook AC Adaptor to charge. Intelligent output voltage (auto-switch) Can discharge while being charged. Wide compatibility: Compatible with 80% model of the notebook PC of the TOP 10 brands Compact and fashionable design, matching your notebook perfectly Plus USB port, backup power for your DC, Mobile phone, PDA, iPod, PSP, etc. at the same time. Safety and reliability, environment friendliness Specification: Weight: about 700g Dimension: 213*130*22 (mm)