QT25
CompatibleThe QT25 has a built-in emergency power port. Plug the battery box in and you're ready to go.
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Emergency Power. Instant Access.
This sleek Emergency Battery Box (2.7″ × 2.5″ × 0.7″, 1.44 oz) ensures you’re never locked out. Insert four AA batteries, plug into your safe's 2.5 mm or 3.5 mm jack, and regain keypad power instantly. It's compatible with ISLANDSAFE models QT25, XN25—and most other safes with similar jacks. The lightweight, durable ABS housing stores easily in your safe kit or on the go. Plus, it comes with a 2-year manufacturer warranty for reliable backup power.
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Estimate delivery times: 10-45 days within US.
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Dead keypad batteries? Get back into your safe in seconds.
The ISLANDSAFE Emergency Battery Box supplies instant backup power to your safe's keypad — just plug it in, enter your passcode, and access your valuables even when the internal batteries are completely dead.
Will it fit your safe?
Your safe needs an external emergency power port
XN25
CompatibleThe XN25 has a built-in emergency power port. Fully supported by this battery box.
MINI17
Not compatibleThe MINI17 does not have an external battery port, so the emergency battery box cannot be used with this model.
Other safes
Check your portThanks to dual-head jacks (2.5 mm & 3.5 mm), this box also works with many other home, office, and hotel safes that have an external emergency power socket. If your safe has a small round backup port, it will likely fit — contact us if you're unsure.
Not sure which model you own? Contact Customer Service — we'll help you check.
How it works
Compact backup power, ready when you need it
Step 1 — Load it
Four AA batteries
Open the case marked "OPEN" and insert four AA / 1.5V LR6 batteries. That's all the power it needs.
Step 2 — Plug in
Dual-head jacks fit more models
Two jack sizes — 3.5 mm and 2.5 mm — plug into the emergency module on your safe for broad compatibility.
Method of use
Four simple steps to regain access
Step 1
Insert batteries
Open the case marked "OPEN" and add 4× AA / 1.5V LR6 batteries.
Step 2
Connect to safe
Plug the jack into the emergency power module on your safe.
Step 3
Power the keypad
The box supplies power straight to the keypad module.
Step 4
Enter & open
Type your registered passcode, open the safe, and replace the dead batteries inside.
Shipping note: Please allow up to 7 days for delivery. Your safe stays fully accessible in the meantime with the emergency battery box on hand.
Specifications
Slim, light, and always ready
2.5 & 3.5 mm
Dual-head jacks
2.7 × 2.5 × 0.7 in
Compact size
1.44 oz
Lightweight
ABS plastic
Durable enclosure
FAQs
Everything you need to know
How does the backup power source work?
In the event of battery failure, this external battery pack is used to access the safe by plugging it into the emergency module on the safe.
It then supplies power to the module, allowing you to open the safe with your registered passcode and change the internal batteries.
Which safe models is it compatible with?
It's designed for ISLANDSAFE QT25 and XN25, which have a built-in emergency power port. The MINI17 is not compatible — it has no external battery port.
Thanks to its dual-head 2.5 mm and 3.5 mm jacks, it also fits many other home, office, and hotel safes that include an external emergency power socket.
What batteries does it use?
Four AA / 1.5V LR6 batteries. Simply open the case marked "OPEN" and insert them.
What's covered by the warranty?
ISLANDSAFE Two-Year Warranty. Every ISLANDSAFE item comes with a 2-year warranty from the date of original purchase. If your device ever has a manufacturing defect in materials or workmanship, we'll repair or replace it — no hassle.
Want the full details? Check out our warranty policy for coverage terms, exclusions, and how to make a claim.
Keep your safe accessible — always.
Confirm your safe model has an emergency port, then add the battery box to your order.
