... protect computer from lightning and thunderstroke. 3.Built-in polymer lithium ion battery. It is lightweight without memory effect as built ... charged any time. and can charge anytime.(The advantage of lithium battery:High volage,small size,light quality, non-memory effect ... 110V/220VBattery and running time:200W 8 minutesBattery model :Polymer lithium ion battery pack - as back-up power(battery life is ...