From Wiki Knowledge Base | Teltonika GPS
|Internal back-up battery
||Battery voltage (V)
||Nominal capacity (mAh)
||Charging temperature (°C)
||2.82 – 2.88
||0 – 45
Batteries are covered by 6 month warranty support.
||CAUTION: RISK OF EXPLOSION IF BATTERY IS REPLACED BY AN INCORRECT TYPE. DISPOSE OF USED BATTERIES ACCORDING TO THE INSTRUCTIONS.
||Battery should not be disposed of into general household waste.
Bring damaged or worn-out batteries to your local recycling center or dispose them into a battery recycle bin commonly found in supermarkets.