Availability
OptiMate Solar DUO Battery Chargers
1 Customer Reviews
Key features:
* Includes solar panel ready for permanent mounting, weatherproof battery lead, battery connection cables and Optimate solar charge controller
* Solar panel options: DUO 10W, DUO 20W, DUO 40W and DUO 40W Travel (please specify panel needed when placing order)
* The solar panel must be mounted and angled to receive direct sunlight
* Connect to the battery directly with included battery clips or fused battery lead
* DUO charge controller—works with 12 V lead-acid and 12.8 V lithium (LFP/LiFePO4) batteries
* The OptiMate charger-monitor controller is separate to the solar panel and can be placed close to the vehicle or battery so that charge and maintenance progress can be easily followed
* The DUO controller accurately charges and maintains the battery by day and monitors it at night
* Automatically switches to CHARGE when solar power is sufficient
* Ready indication for STD, hi-performance AGM batteries and lithium LFP batteries
* Battery condition is displayed every 3 seconds
* No risk of overcharging—totally safe for vehicle electronics.
* Sparks suppressed—safe for long-term battery maintenance
* Automatic shut-down if short-circuited or battery disconnected
* Intelligent maintenance continues the next day if battery retained charge overnight, otherwise the program reverts to OPTIMIZE step
Showing In Stock Items. Show All 4 Items.
6-step 12V / 12.8V 3.33A sealed solar battery saving charger & maintainer travekit.
Part Number: OMB-TM522-D4TK
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
SOLAR DUO controller - 10W to 60W
Part Number: OMB-TM522-D
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
TM522 Controller-Monitor for lead-acid & LiFePO4 batteries, 2xcable accessories, 40W panel
Part Number: OMB-TM522-D4
Not Yet Reviewed
Estimated Ship Date: Feb 26, 2026 if ordered today
Estimated Ship Date: Feb 26, 2026 if ordered today
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