Ensure you charge this UPS for about 6 hrs before using it. Do NOT overload!The 2500VA Blue Gate UPS (2.5KVA) has more capacity for longer backup than the lesser bluegate UPS offers. With the 2500KVA unit, you can expect much more minutes of backup time on normal load. This Bluegate UPS unit will take computers and computer peripherals or domestic equipment such as TVs up to Plasma TV, decoders and such domestic electrical appliances.Bluegate UPS has gained a lot of recognition in the Nigerian market as a reliable UPS system. More users are going for this product because of the unique combination of satisfactory performance and reasonable pricing. Blue Gate UPS is relatively more affordable and still able to deliver quality performance.Your Bluegate UPS can be sure to protect your system from damage, especially an unpleasant crash when the power supply suddenly fails. Being able to achieve this protection with a relatively inexpensive uninterruptible power supply unit is certainly a benefit you should take advantage of. What's more, you prevent loss of vital data and other digital resources that can result from sudden power outage, when there is no UPS backup.Inbuilt with 2 units of 12 volts batteries. Ensure you use recommended replacement batteries in the event you need to replace batteries when they ware out. Visit us here at www.Rehmie.com.com.ng/dabamat for your replacement batteries ranging from 12v 7Ah to 12v 9Ah.