Tecmate OptiMate DC-Duo 12V/12.8V 2A DC- Battery Charger/Maintainer (TM-500V3)
- Charge and maintain your battery without AC power
- First in the range to be powered from a DC source or another 12V battery, to remotely save, recharge and maintain your stored vehicle’s 12V lead-acid battery
- Great option for emergency vehicle to vehicle charging
- Built-in protection prevents deep discharge of the source battery
