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Hardkorr 15W 12V Solar Panel Trickle Charger (Lithium Compatible)

Sale price $10900 RRP  Regular price $12900 Save $2000

  • 2 Year Warranty

Fast dispatch

Easy returns

  • 2 Year Warranty

Fast dispatch

Easy returns

15W trickle charger panel

Extends battery lifespan

Includes 8A waterproof controller


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Hardkorr 15W 12V Solar Panel Trickle Charger (Lithium Compatible)

Overview

Product Information

Product Description

This 15W trickle charger solar panel is an ideal solution to extend the lifespan of your 12V batteries. Whether you have a 4wd, caravan, boat, or machinery, this solar panel will help you keep your batteries topped up and in good condition.

With a built-in diode, the panel prevents reverse charging and avoids battery discharge at night. Moreover, it comes with an 8A waterproof solar controller that safeguards against battery overcharge.

The panel works with Lithium, AGM, gel, and wet/flooded cell batteries, making it versatile and practical. You can easily set it up by connecting your battery to the controller using the alligator clamps and extension cable (if required) and then connecting the controller to the solar panel. If you want a permanent fixture, the panel also has pre-punched mounting holes for easy installation.

 

Disclaimers

All product information and images are sourced from manufacturer descriptions and may be updated by the manufacturer without notice to us.

Key Features

  • 15W trickle charger panel
  • Extends battery lifespan
  • Includes 8A waterproof controller
  • Built in reverse charge diode
  • Suits Lithium, AGM, and Gel

Pack Contents

  • 1 x 15W solar panel
  • 1 x 8A waterproof (IP65) solar controller
  • 1 x 5m lead with bullet/SAE plugs
  • 1 x Bullet/SAE to battery clamp cable

Product Weight & Dimensions

  • 0.5kg
  • 270mm (W) x 450mm (H)

Specifications

Hardkorr 15W 12V Solar Panel Trickle Charger (Lithium Compatible)
Vendor Hardkorr

FAQs

Frequently Asked Questions

Will a solar trickle charger revive a completely dead car battery?

A solar trickle charger is generally not designed to revive a completely dead battery. These small panels provide a low amperage output intended to maintain a healthy battery at its full state of charge, countering the natural self discharge that happens when a vehicle sits idle for long periods.

If a battery has dropped below a certain voltage threshold, the plates may already be damaged or sulfated, requiring a high current pulse from a dedicated workshop charger to potentially recover. Using a small maintenance panel on a flat battery will likely result in a charge rate too slow to overcome the internal resistance.

To find a power source better suited for recovery, explore our 12V Batteries or check our selection of high performance Battery Chargers.

Are solar trickle chargers compatible with Lithium (LiFePO4) batteries?

Yes, solar trickle chargers are compatible with Lithium batteries as long as the panel output aligns with the battery's required charge profile. Many smaller maintenance panels produce a steady voltage that falls within the safe range for Lithium Iron Phosphate cells.

It is important to check if the charger has a dedicated lithium setting or if the battery management system can regulate the incoming power. Using a panel that is too large without a regulator can cause overcharging, even on a lithium setup. This method of charging is a practical way to maintain your house battery during long periods of storage or between weekend trips.

Explore our range of Lithium Batteries to see compatible storage options, or find a suitable regulator in our Solar Controllers collection.

Do I need a solar controller or regulator for a small trickle charge solar panel?

A solar regulator is required if the panel output exceeds roughly 10 watts. Even small trickle chargers can push a battery above safe voltage levels if they are left connected for several days, which can lead to gassing in lead acid batteries or cell damage in other chemistries.

The regulator acts as a safety barrier by cutting the power once the battery reaches its full state of charge. This is particularly important for AGM or gel batteries that are sensitive to overcharging during long periods of storage. While some batteries have internal protection, an external controller provides a clear way to manage the incoming power and maintain battery health over time.

The Hardkorr 15W trickle charger we stock comes with an 8A waterproof controller, so it's ready to connect. For a bigger panel, find a regulator in our Solar Controllers range.

Can I leave a solar trickle charger connected all the time?

Yes, you can leave a solar trickle charger connected all the time, provided your setup includes a solar controller to prevent overcharging. The regulator will automatically stop the flow of power once the battery reaches its full state of charge, then maintain it at a safe float level indefinitely.

Leaving a small panel connected without a regulator is risky for long term storage. Over weeks of exposure to the sun, an unregulated panel can push the battery voltage too high, which leads to fluid loss in lead acid batteries or heat damage in sealed units. As long as your charge is managed, this is the most effective way to keep your starting or house battery healthy and ready for your next trip.

Explore our range to find the right charging accessories for your maintenance setup.

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