External Battery with 2.5mm DC Socket for Some Safe Box DGZZI 4 AA Battery Holder, 6V Backup Power Source with Cables for Safe

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  • The battery box is made of high-quality flame retardant materials, which are resistant to high temperatures, good electrical conductivity, durable, not easily deformed and have a long service life.
  • With 2.5mm DC plug, no welding, easy to connect, output voltage 6V.
  • The battery powers the module so you can access the safe with a registered fingerprint or password to replace the battery.
  • Works with some safes, gun safes, key safes with external battery power.

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