The pups micro ups is sleek, compact and designed with the latest mosfet technology for high efficiency and reliability. Features incorporated include: transfer time of less than 2 ms, no load cut-off for longer battery life, built-in avr, regulated battery charger for safe battery life, protection against surges, spikes, overload, battery low, etc. Applications include personal computers, lan/unix servers, telecom equipment, and microprocessor based controllers. The ups is offered in ratings of 250 va, 500 va, 750 va and 1 kva,.