TM522-D2 OptiMate Solar DUO 20W

  • $169
  • Save $19

6-step 12V / 12.8V 1.67A sealed solar battery saving charger & maintainer

OptiMate Solar DUO 20W, the smart sun powered charger & maintainer for all ‘12V’ batteries – Charger by day, monitor by night!

Ideal for 12V lead-acid / 12.8V lithium batteries found in the vehicles and craft above.


The smart charge controller automatically adjusts charge according to battery type and condition – OptiMate Solar DUO’s smart control guarantees longer battery life and more battery power!


The controller’s fully automatic multi-step program brings the battery safely to full charge – Connect to the battery and OptiMate Solar DUO 20W does the rest, no supervision required!




Converts low solar energy to efficient pulse charge.

DAY: Charge & maintain. NIGHT: monitor charge level.

Safe to leave connected. Full electronic protection.
Saves your ‘dead’ battery from as low as 4V.
Displays battery state of charge.
Energy saving technology.
 Efficient dual conversion.
 Complete 24-7 maintenance.
Works in any weather!

We Also Recommend