E-outstanding 3.5mm External Battery Pack External Battery Supply Like Battery Holder with Wires

Name: 3.5mm plug externally connected with 4 No. 5 battery boxes Material: high-quality plastic, nickel plated spring Rated voltage: 6V Plug: 3.5mm plug Including goods: 1 3.5mm plug externally connected with 4 No. 5 battery boxes If the battery fails, the safe can be accessed by inserting an external battery pack into the module on the safe. The battery pack will power the module, allowing you to access the safe with a registered fingerprint or password to replace the battery. The external battery pack is only applicable to some safes, gun safes and key safes with external battery power supply.

• It can accommodate 4 AA size standard batteries for alkaline or rechargeable batteries.
• It can be used as a perfect external power supply. Convenient to control power supply, with 3.5mm jack.
• Made of ABS plastic, durable and long service life. Nickel plated springs hold the battery in place.
• If the battery fails, the safe can be accessed by inserting an external battery pack into the module on the safe.
• The external battery pack is only applicable to some safes, gun safes and key safes with external battery power supply.