Battery Life
Fitted with a 1800 mAh removable Li-Ion battery, the OT-997 offers decent battery life. It can last up to 400 hours on standby for 2G networks and up to 350 hours on 3G. Talk time is rated at 16 hours on 2G and up to 8 hours and 30 minutes on 3G setups. While these stats reflect commendable longevity, actual usage would vary depending on the applications and network conditions.