The beauty of portable UPS power supply is that it's enormous by its nature and extremely simple in practice. Firstly it delivers tons of convenience -size, ease of transport. You're in this way able to keep the supply of electrical power unbroken to your electronic equipment no matter where you happen Currently be situated. In a second sense, using a portable UPS means now we no longer need to worry about the power sources. With power fluctuations and surges can come irremediable harm to your printer If you keep this device even part way Forth, a stable power backup affords confidence that all at home or office work nor relaxation will be adversely affected whatever the conditions. In turn with reasonable maintenance of performance,, a small charge for elastic demand charges also has at least some effect on costs. Last but not least, by preventing damage to expensive devices, the portable UPS brings with it sizable savings. By four-pin-plus connector, supply voltage is 12 V and current not less then1 OA.rectifier output voltage shall be 15 V - 4. By offering so many practical benefits for those who cannot afford a break in the electrical power supply, today I feel that a portable UPS is truly essential equipment.