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Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB
Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB
Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB
Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB
Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB

Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB

Whether you’re touring the country with the family in tow or just trying to keep your drinks icy cold between job sites, our DC-DC charger is one of the easiest ways to keep your batteries topped up without being tethered to a mains power supply. The charger can be used on a range of batteries including both 12V SLA, AGM, gel, calcium, and LiFePO4 systems. The DC-DC works by converting the power from your alternator into a charge voltage that carefully, but quickly, suits the status, and chemistry of your auxiliary battery all without affecting your vehicle’s starter battery. Designed to work on most vehicles, it’s compatible with either traditional or fixed/smart alternators and will feed up to 25A into your batteries per hour. There’s a dedicated Anderson-style plug coming from the unit for the inbuilt Maximum Power Point Tracking (MPPT) solar regulator function. The charger will use the power coming from the solar input when it detects it as either the only available power source, or if the solar input exceeds the power being produced by the vehicle. Able to regulate up to 25A, it’s able to handle solar up to 15% more efficiently than traditional Pulse Width Modulation (PWM) regulators. With a high heat tolerance, the charger can be mounted in most places including under the bonnet. This is particularly useful in vehicles that have the space for an additional battery in the engine bay, like in Landcruisers and Patrols, helping to not only reduce voltage drop but also free up some space in the back of the vehicle. The charger comes with three pre-wired Anderson-style plugs to make installation simple. The black plug connects directly to the auxiliary battery, the traditional grey plug is the dedicated solar input, whilst the three-pin Anderson plug can be used to quickly connect to the vehicle.

Whether you’re touring the country with the family in tow or just trying to keep your drinks icy cold between job sites, our DC-DC charger is one of the easiest ways to keep your batteries topped up without being tethered to a mains power supply. The charger can be used on a range of batteries including both 12V SLA, AGM, gel, calcium, and LiFePO4 systems. The DC-DC works by converting the power from your alternator into a charge voltage that carefully, but quickly, suits the status, and chemistry of your auxiliary battery all without affecting your vehicle’s starter battery. Designed to work on most vehicles, it’s compatible with either traditional or fixed/smart alternators and will feed up to 25A into your batteries per hour. There’s a dedicated Anderson-style plug coming from the unit for the inbuilt Maximum Power Point Tracking (MPPT) solar regulator function. The charger will use the power coming from the solar input when it detects it as either the only available power source, or if the solar input exceeds the power being produced by the vehicle. Able to regulate up to 25A, it’s able to handle solar up to 15% more efficiently than traditional Pulse Width Modulation (PWM) regulators. With a high heat tolerance, the charger can be mounted in most places including under the bonnet. This is particularly useful in vehicles that have the space for an additional battery in the engine bay, like in Landcruisers and Patrols, helping to not only reduce voltage drop but also free up some space in the back of the vehicle. The charger comes with three pre-wired Anderson-style plugs to make installation simple. The black plug connects directly to the auxiliary battery, the traditional grey plug is the dedicated solar input, whilst the three-pin Anderson plug can be used to quickly connect to the vehicle.

Hardkorr 25A DC-DC Charger Waterproof/Under Bonnet with MPPT Solar Regulator HKPDCDC25UB

Whether you’re touring the country with the family in tow or just trying to keep your drinks icy cold between job sites, our DC-DC charger is one of the easiest ways to keep your batteries topped up without being tethered to a mains power supply. The charger can be used on a range of batteries including both 12V SLA, AGM, gel, calcium, and LiFePO4 systems. The DC-DC works by converting the power from your alternator into a charge voltage that carefully, but quickly, suits the status, and chemistry of your auxiliary battery all without affecting your vehicle’s starter battery. Designed to work on most vehicles, it’s compatible with either traditional or fixed/smart alternators and will feed up to 25A into your batteries per hour. There’s a dedicated Anderson-style plug coming from the unit for the inbuilt Maximum Power Point Tracking (MPPT) solar regulator function. The charger will use the power coming from the solar input when it detects it as either the only available power source, or if the solar input exceeds the power being produced by the vehicle. Able to regulate up to 25A, it’s able to handle solar up to 15% more efficiently than traditional Pulse Width Modulation (PWM) regulators. With a high heat tolerance, the charger can be mounted in most places including under the bonnet. This is particularly useful in vehicles that have the space for an additional battery in the engine bay, like in Landcruisers and Patrols, helping to not only reduce voltage drop but also free up some space in the back of the vehicle. The charger comes with three pre-wired Anderson-style plugs to make installation simple. The black plug connects directly to the auxiliary battery, the traditional grey plug is the dedicated solar input, whilst the three-pin Anderson plug can be used to quickly connect to the vehicle.

Whether you’re touring the country with the family in tow or just trying to keep your drinks icy cold between job sites, our DC-DC charger is one of the easiest ways to keep your batteries topped up without being tethered to a mains power supply. The charger can be used on a range of batteries including both 12V SLA, AGM, gel, calcium, and LiFePO4 systems. The DC-DC works by converting the power from your alternator into a charge voltage that carefully, but quickly, suits the status, and chemistry of your auxiliary battery all without affecting your vehicle’s starter battery. Designed to work on most vehicles, it’s compatible with either traditional or fixed/smart alternators and will feed up to 25A into your batteries per hour. There’s a dedicated Anderson-style plug coming from the unit for the inbuilt Maximum Power Point Tracking (MPPT) solar regulator function. The charger will use the power coming from the solar input when it detects it as either the only available power source, or if the solar input exceeds the power being produced by the vehicle. Able to regulate up to 25A, it’s able to handle solar up to 15% more efficiently than traditional Pulse Width Modulation (PWM) regulators. With a high heat tolerance, the charger can be mounted in most places including under the bonnet. This is particularly useful in vehicles that have the space for an additional battery in the engine bay, like in Landcruisers and Patrols, helping to not only reduce voltage drop but also free up some space in the back of the vehicle. The charger comes with three pre-wired Anderson-style plugs to make installation simple. The black plug connects directly to the auxiliary battery, the traditional grey plug is the dedicated solar input, whilst the three-pin Anderson plug can be used to quickly connect to the vehicle.

Price comparison

Price data powered by pricesAPI.io

Last updated at 07/23/2026 05:56:06

Cash Converters

$179.00

Hardkorr 25 Amp Blue Battery Charger

Delivery $24.45

eBay.com.au

$200.00

Hardkorr 25a Dc-dc Charger With Mppt Solar Regulator - 249755

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$240.00

Hardkorr 25a Waterproof Dc-dc Charger (free Postage)

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Outback Equipment

$265.00

Hard Korr 25A Dc-Dc Charger Waterproof/Under Bonnet - Outback Equipment Australia - Electrical Gear & Accessories

Delivery between Mon – Wed $30.06

BCF

$279.99

Hardkorr 25A Waterproof DC-DC Charger

Free delivery between 28–30 July

Superior Engineering

$314.00

HARDKORR 25A DC-DC Charger Waterproof/Under Bonnet - HKPDCDC25UB

Delivery $46.39

Snowys Outdoors

$329.00

Hardkorr 25A DC-DC Under Bonnet Battery Charger with MPPT Solar Regula

Free delivery between 27–30 July

altapac.com

$332.00

HARDKORR 25A DC-DC UNDER BONNET CHARGER

Free delivery between 28 July – 3 Aug

Hardkorr Australia

$349.00

Under Bonnet 25A DC-DC Battery Charger With MPPT Solar Regulator

Free delivery between 29 July – 3 Aug

4wheelhouse

$349.00

1 x HARDKORR 25A DC-DC CHARGER WATERPROOF/UNDER BONNET HKPDCDC25UB

Delivery between 28–30 July $15

Price history

Price history

Specification

DC Battery Input9-32V
Maximum Output Power25A
Ingress ProtectionIP66
Operating Temp.-20°C – 80°C

Price comparison

Updated 3 days ago
Cash Converters

$179.00

Hardkorr 25 Amp Blue Battery Charger

Delivery $24.45

eBay.com.au

$200.00

Hardkorr 25a Dc-dc Charger With Mppt Solar Regulator - 249755

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

eBay.com.au

$240.00

Hardkorr 25a Waterproof Dc-dc Charger (free Postage)

Free delivery

Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!

Outback Equipment

$265.00

Out of stock

Hard Korr 25A Dc-Dc Charger Waterproof/Under Bonnet - Outback Equipment Australia - Electrical Gear & Accessories

Delivery between Mon – Wed $30.06

BCF

$279.99

Hardkorr 25A Waterproof DC-DC Charger

Free delivery between 28–30 July

Price history

Price history

Specification

DC Battery Input9-32V
Maximum Output Power25A
Ingress ProtectionIP66
Operating Temp.-20°C – 80°C