OptiMate Solar DUO Car Kit with 20W Panel 12V / 12.8V 1.67A OptiMate 1 VoltMatic $46.95 6V / 12V 0.6A OptiMate 1 DUO $49.95 12V / 12.8V 0.6A OptiMate 2 DUO $77.95 12V / 12.8V 2A OptiMate 2 DUO x 2 BANK $151.95 2x 12V / 12.8V 2A ...