BTT 100 DIY 12V series BLUETOOTH TESTER is one of latest invention combined BT technology with battery testing. The device is mounted on any regular size SLA battery and it is set to go. It starts to monitor and record all crucial data on the battery such as life time, current, voltage and capacity. Other test parameters can be executed from PDA APPS (or Android devices) and report back as real time status. Smart embedded software has sleep and energy saving mode to battery drain to the minimum. The apps can be download from Google market.