Parked/stored vehicles
Care for a compatible car, motorcycle, pickup or ATV battery between outings.
TecMate USA
OptiMate Solar 80W Charging Kit
Solar Lead-Acid Battery Charger & Maintainer
SOLAR/OFF-Grid Series · Model TM523-8
Keep your vehicle's battery ready between uses — even when there’s no power outlet nearby.
- Uses sunlight to charge and maintain your battery
- Automatically manages charging while connected
- Weatherproof panel for outdoor use
- Safe to leave connected 24/7
Will it work for me?Not compatible with lithium batteries.
Price $279.99
Free Shipping
4.2 / 5.0 · 6 reviews
3-year limited replacement warranty
Is this the right product for you?
No outlet nearby
Use it outdoors wherever the panel can receive sunlight.
Deep-cycle batteries
Charge and maintain small to medium batteries used in boats and other equipment.
What’s included?
- 80W Solar panel
- Smart charge controllerControls charging and maintenance automatically
- Battery clampsFor quick connection to the battery
- Fused M8-M10 battery leadInstall for permanent access
- Instruction Manual
Key specifications
- Battery voltage
- 12V
- Charging current
- 6.6A
- Solar panel
- 80W
- Battery Types
- Lead-acid: STD / flooded, AGM and GEL
- Battery capacity
- 2Ah-240Ah
- Operation
- Fully automatic solar-powered recovery, charging and maintenance, with nighttime battery monitoring.
How do I use it?
Position the panel
Place it in sunlight, avoiding shade.
Connect the kit
Connect panel → controller → battery using the included clamps or eyelet lead. Follow the supplied instructions.
Leave it connected
The controller automatically varies it’s charge rate between continuous charge at full sun and pulse charge at low light.
Before you buy
Does it charge at night?
Yes. The controller will deliver a pulse charge when the sun goes down using stored energy.
Do I need a separate controller?
No. The smart controller comes with this kit.
Will it work through my windshield?
Yes. The kit is designed for use inside the vehicle. Position the panel towards sunlight.