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A 30W solar trickle charger kit for keeping 12V batteries topped up on cars, boats, RVs and trailers that sit unused. It bundles a tempered-glass panel in an aluminum frame, a 10A MPPT charge controller and an adjustable 60° mounting bracket. The MPPT controller is the standout versus basic PWM kits, and the controller's overcharge, reverse-polarity and short-circuit protection plus the LED status light make it a set-and-forget maintainer. It is a maintainer, not a fast charger: 30W suits keeping a healthy battery topped up, not recharging a deeply drained bank.
In stockSold by PARABOLAReturns: Sold by a Walmart Marketplace seller; returns go to the seller under the seller's returns policy.
Availability unknown
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Lowest price we've seen: $69.99 on Nov 13 at Amazon. Tracked across 1 store since Nov 13.
This is a 30W solar panel kit that charges and maintains a 12V battery. It includes a 10A MPPT charge controller and an adjustable mounting bracket. It can be used with a car, boat, marine, or RV battery, and is meant to offset the natural discharge that happens while a vehicle is parked.
The panel has a durable aluminum alloy frame and a tempered solar glass surface, with extra protection at the four corners. The service life is up to 25 years. The panel is waterproof and works in all kinds of weather.
The charge controller protects against overcharge, over-voltage, discharge, short circuit, and reversed polarity. It cuts off automatically when the battery is full and resumes charging when needed. An LED indicator shows the charging status. The MPPT controller can generate 20%-30% more electricity. The 60° heavy-duty bracket adjusts so the panel can be angled toward the sun.
