![](https://robolabor.ee/2057-large_default/aa-autonoomne-toiteallikas-usb-vaeljundiga.jpg)
Use 4 standard or rechargeable AA batteries to power your device.
Reverse polarity battery protection.
Advanced internal circuitry prevents the device from power surges / overcharging with additional short-circuiting
Integrated circuitry regulates output voltage specific to the Sony DR-BT100CX