








☀️ Power your ride sustainably—never get stranded again!
The Sunway Solar Car Battery Trickle Charger is a 4W portable solar panel designed to maintain 12V batteries across cars, RVs, boats, and powersports. Featuring ultra-clear PV glass for enhanced solar efficiency, durable ABS housing, and built-in reverse charging protection, it plugs into your vehicle’s cigarette lighter and prevents battery drain without overcharging. Compatible with multiple battery types, it’s a low-maintenance, eco-friendly solution backed by a 12-month warranty.






| Brand | Sunway Solar | 
| Material | Glass, ABS Plastic | 
| Product Dimensions | 13.9"L x 5"W x 0.5"H | 
| Item Weight | 1.4 Pounds | 
| Connector Type | Cigarette Lighter Plug, Battery Clamps | 
| Included Components | Power Cable | 
| Maximum Voltage | 12 Volts | 
| Maximum Power | 4 Watts | 
| UPC | 611550648699 | 
| Manufacturer | Sunway Solar | 
| Model | 3W solar trickle charger for battery | 
| Item Weight | 1.44 pounds | 
| Country of Origin | China | 
| Item model number | 4W solar trickle charger for battery | 
| Is Discontinued By Manufacturer | No | 
| Manufacturer Part Number | SWS-C3W001 | 
| Voltage | 15 Volts | 
| Wattage | 4 watts | 
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