12V 40A DC to DC Battery Charger, 500W, On-Board Battery Charger for Lead-Acid, Lithium, AGM, GEL, and Flooded Batteries, Smart Multi-Stage Charging, for RVs, Commercial Vehicles, Boats, Yachts
Not satisfied? Return it within 14 days for a full product refund. Return shipping applies for change-of-mind returns. View policy
This 12V 40A charger keeps your vehicle's auxiliary batteries fully charged and ready to use, whether you're running a caravan, truck, or boat. Smart multi-stage charging adapts to different battery types (lead-acid, lithium, AGM, GEL, flooded) to maximise battery life and performance. Built-in protections safeguard your vehicle's electrical system from damage while the lithium activation feature revives deeply discharged batteries.
- 12V 40A output compatible with lead-acid, lithium, AGM, GEL, and flooded batteries
- Multi-stage charging: 3-stage for lead-acid batteries, 2-stage for LiFePO4
- Over-voltage, under-voltage, high temperature, and reverse polarity protection
- Isolated input and output prevents interference with vehicle electrical systems
- Lithium battery activation feature for deeply discharged batteries
- Compact aluminium alloy design with pre-drilled mounting holes for easy installation
- 500W power capacity
📦 Shipping & Delivery
Free Shipping on orders $500+. For orders under $500, a flat postage fee applies based on order weight (from $4.95).
Orders are dispatched within 1–3 business days of payment confirmation. You will receive a tracking email once dispatched.
Standard delivery: 3–7 business days (metro). Regional/WA/NT may take slightly longer.
🔁 Returns & Refunds
We offer 14-day returns on all items.
To be eligible, items must be returned in original, unused condition with all original packaging.
To start a return: email hello@myhappygift.com.au with your order number.
Refunds are processed within 5–10 business days of receiving the returned item.
🛡️ Warranty
All products include a 12-month manufacturer's warranty.
Covers manufacturing defects and faults under normal use conditions.
Does not cover accidental damage, misuse, or normal wear and tear.
To make a warranty claim, email hello@myhappygift.com.au with your order number and photos of the fault.
❓ FAQs
How long does delivery take?
Orders dispatch in 1–3 business days. Standard delivery 3–7 business days.
Do you ship to all Australian states?
Yes, we ship Australia wide including WA, NT, and all regional areas.
How do I track my order?
A tracking link is emailed once your order is dispatched.
How do I contact support?
Email hello@myhappygift.com.au or call (03) 9961 6069.
Mon–Sat, 9:00 AM – 10:00 PM AEST. We respond within 24 hours.
Are your products covered by warranty?
Yes, every product includes a 12-month manufacturer's warranty.
Curated for Quality
Every product hand-selected to meet our quality standards before it reaches your home
Fast Australian Dispatch
Orders dispatched within 1–3 business days from our Australian warehouses
Responsive Local Support
Australian-based team available Mon–Sat, 9am–10pm AEST. Reply within 24 hours
Backed by Warranty
Every product includes a 12-month manufacturer's warranty — shop with confidence
