Features: LED remaining battery prompt Replaceable battery solution Extended Two USBA port power output Extended type C port power output Output overcurrent protection Tap to boot, long press to shut down Support the charge and discharge power display The battery holder can be quickly replaced Synchronous switch charge and discharge Built-in power path management, support side-loading Support load high current line compensation function Adaptive charge current regulation to match all adapters Support LED power display Button boot: UPS will start when the button is pressed Low power consumption Multiple protection, high reliability Output overcurrent, overvoltage, short circuit protection Input overvoltage, overcharge, overdischarge, overcurrent discharge protection Machine over temperature protection For Raspberry Pi (4B/3B+/3B) Package Includes: 1* UPS 4* M2.5 copper stick 4* M2.5 screws 4* M2.5 long copper stick 4* M2.5 nuts 1* Acrylic shield