2.It has perfect overcharge, overdischarge, overcurrent and short circuit protection.
3.It is widely used in fingerprint attendance machines, fire safety systems, security monitoring systems, access control systems, cameras, video cameras, portable DVDs, etc.
4.It's easy to carry around and put it in your bag/car.
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Mini Portable UPS 5V, 9V, 12V Uninterruptible Power Supply Multipurpose Mini UPS Battery Backup