• Giantz 40A MPPT Solar Charge Controller Auto 12V/24V/36V/48V Battery Regulator
  • Giantz 40A MPPT Solar Charge Controller Auto 12V/24V/36V/48V Battery Regulator
  • Giantz 40A MPPT Solar Charge Controller Auto 12V/24V/36V/48V Battery Regulator
  • Giantz 40A MPPT Solar Charge Controller Auto 12V/24V/36V/48V Battery Regulator
  • Giantz 40A MPPT Solar Charge Controller Auto 12V/24V/36V/48V Battery Regulator
1 5

Giantz

Giantz 40A MPPT Solar Charge Controller 12V–48V

A poor-quality charge controller wastes solar energy and shortens your battery's life. The Giantz 40A MPPT Solar Charge Controller delivers up to 99% tracking efficiency and supports 12V to 48V systems — keeping your batteries charged properly and protected whether you're camping, caravanning or running an off-grid setup.
$152.83

    Currently unavailable

    • Afterpay
    • American Express
    • Apple Pay
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Union Pay
    • Visa
    Australia-wide delivery
    14-day returns
    12-month warranty

    Details
    Off-grid power setups live or die by how well the charge controller manages the relationship between your solar panels and your battery bank. Overcharge a battery too many times and you'll find yourself replacing it far sooner than you should — a costly problem when you're deep in the bush or mid-trip.

    The Giantz 40A MPPT Solar Charge Controller uses MPPT (Maximum Power Point Tracking) technology to extract up to 99% of the available power from your panels and convert it with up to 97% charging efficiency. That means more energy reaching your batteries and less being wasted as heat — a real advantage on cloudy days or when panel output is variable.

    Multi-stage charging keeps your batteries healthier for longer by adjusting the charge profile based on the battery's state, rather than dumping current in at a flat rate. It's compatible with GEL, sealed (SLD), flooded (FLD), user-defined and lithium battery types, so it works with most existing setups without fuss.

    An iron case heat sink and active cooling fan handle thermal management during heavy use, while RS485 and RJ45 ports allow for communication with monitoring systems. The backlit LCD display gives you a clear read of system status at a glance — whether you're checking it in bright sunlight or at dusk.

    Specifications
    Brand: Giantz
    Rated charge current: 40A
    System voltage: 12V / 24V / 36V / 48V (auto detection)
    Max PV input power: 12V / 520W, 24V / 1040W, 36V / 1560W, 48V / 2080W
    Max PV input voltage: 138V
    MPPT tracking efficiency: up to 99% (as listed by supplier)
    Max charging efficiency: up to 97% (as listed by supplier)
    Battery compatibility: GEL, SLD (sealed), FLD (flooded), USR (user-defined), Lithium
    Display: Backlit LCD
    Communication ports: RS485, RJ45
    Cooling: Iron case heat sink and cooling fan
    Protection: Overcharge, reverse polarity, overload, overheat

    What’s Included
    1 x Giantz 40A MPPT Solar Charge Controller
    ★★★★★

    "Arrived earlier than quoted, Thank you Just Camp for the great service"

    Ross

    ★★★★★

    "Website was easy to navigate and I received my purchase promptly"

    Brenda

    ★★★★★

    "Purchased for a great price, service was excellent, postage very quick"

    Lindy

    ★★★★★

    "Great product and service A++"

    Anthony

    ★★★★★

    "My order arrived faster than expected and the quality was just as good as the big name brands"

    Aaron