40A 3-Stage 12V
AC Battery Charger

Designed to pair perfectly with your battery box, this 40A charger keeps your setup powered up and ready for your next adventure.

40A 3-Stage 12V AC Battery Charger with durable blue and gray casing, designed for reliable power distribution and charging of lithium batteries and battery boxes for camping and outdoor use.
40A 3-Stage 12V AC Battery Charger in blue and gray with indicator lights, designed for reliable battery charging and perfect for camping and outdoor power setups.
Close-up of a 40A 3-Stage 12V AC Battery Charger featuring a blue and black casing, power input socket, and an on/off switch, designed for reliable outdoor battery charging.
40A 3-Stage 12V AC Battery Charger in blue and gray casing designed as the ideal companion for battery boxes, supporting camping power and outdoor charging needs.
Blue 40A 3-Stage 12V AC Battery Charger with black and red cable terminals and cooling vent, designed for reliable power distribution in outdoor and camping setups.
40A 3-Stage 12V AC Battery Charger in blue with AC power input socket and on/off switch, designed as the ideal companion for your battery box in camping and outdoor power setups.
Cables and connectors designed for use with the 40A 3-Stage 12V AC Battery Charger, featuring red and black power wires and a plug perfect for camping power setups.

40A 3-Stage 12V AC Battery Charger

HKPACDC40A

Regular price$249.00
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2 Year Replacement Warranty

40A 3-Stage 12V AC Battery Charger with durable blue and gray casing, designed for reliable power distribution and charging of lithium batteries and battery boxes for camping and outdoor use.

40A 3-Stage 12V AC Battery Charger

$249.00

The ideal companion for your battery box

The perfect companion for your battery box, this 40A 3-stage charger delivers fast, reliable charging to keep your power system topped up and ready for your next adventure. Designed for dependable performance, it helps maximise battery health while providing the charging power needed to get you back on the road, campsite, or worksite sooner. Whether you’re preparing for a weekend away or keeping your setup maintained between trips, this charger makes powering up simple and hassle-free.

Check our battery boxes

Charge your batteries from home

Our 40A AC Chargers make charging your batteries from mains/AC power easy. Built for campers and 4WDers, this 40A AC battery charger delivers reliable charging for 12V deep cycle batteries. Simple to operate, it supports AGM, Gel, Wet, Calcium and Lithium chemistries, making it ideal for camping, workshop, garage and everyday power setups.

Features intelligent 3-stage charging technology that optimizes battery health and extends lifespan. The automatic float mode prevents overcharging, while the compact design fits easily into caravans, vehicles, and storage spaces. Suitable for both leisure and professional use, this charger is a reliable addition to any off-grid or backup power system.

Rated input 180–260V AC
Rated output (Bulk) 40A, 14.4V ± 0.15V (LiFePO₄)
Rated output (Float) 13.6V ± 0.15V (LiFePO₄)
Compatibility LiFePO₄, AGM, Calcium, Std, Gel
Efficiency ~85% (@ 230V)
Protections Reverse polarity, over-voltage, over-temp., short-circuit
Dimensions (mm) 266 (L) x 182 (W) x 87mm (H)
1x 40A battery charger
2x 10mm²  x 50cm M8 ring terminal to 50A Anderson-style adaptor cable
1x 80cm 10A C13 240V AC power cable.

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