We were called to a school in Liverpool to open this Sentry T6-331 safe as the batteries had gone flat. We were able to open it non-destructively and changed the batteries for them.
![Sentry Safe T6-331 Flat Batteries](https://paladinsafeservices.co.uk/wp-content/uploads/2019/01/Sentry-Safe-T6-331-Flat-Batteries.jpg)
We were called to a school in Liverpool to open this Sentry T6-331 safe as the batteries had gone flat. We were able to open it non-destructively and changed the batteries for them.