Powerful 20A Smart Battery Charger for 12V & 24V Batteries
Keep your batteries fully charged, maintained, and performing at their best with this advanced 20A Smart Battery Charger. Designed for automotive, marine, caravan, motorcycle, and workshop applications, this intelligent charger automatically detects battery voltage and delivers the optimal charging program for maximum battery life.
Compatible with LiFePO4, Lithium, AGM, GEL, EFB, Flooded, VRLA, SLA, and standard lead-acid batteries, making it the perfect all-in-one charging solution for virtually any vehicle or equipment.
⚡ Fast & Intelligent Charging
Featuring powerful 20A charging for 12V batteries and 10A charging for 24V batteries, this smart charger delivers rapid charging while protecting your battery from damage.
Charging Output
✔ 12V Batteries – Up to 20A
✔ 24V Batteries – Up to 10A
✔ Supports batteries from 2Ah to 300Ah
✔ Intelligent charging current adjustment
✔ Multi-stage smart charging technology
🔋 Compatible Battery Types
This charger automatically recognises and safely charges a wide range of battery technologies.
Supports
✔ LiFePO4 Batteries
✔ Lithium Batteries
✔ AGM Batteries
✔ GEL Batteries
✔ EFB Batteries
✔ Flooded Batteries
✔ VRLA Batteries
✔ SLA Batteries
✔ Wet Cell Batteries
✔ Maintenance Free (MF) Batteries
🚗 Suitable For
Perfect for charging and maintaining:
- Cars
- 4WDs
- SUVs
- Trucks
- Motorcycles
- Boats
- Marine Batteries
- Golf Carts
- Caravans
- Camper Trailers
- Farm Equipment
- Ride-On Mowers
- Deep Cycle Batteries
🔧 Intelligent Battery Repair Mode
Restore battery performance with the built-in one-button repair function.
Benefits
✔ Helps reduce battery sulphation
✔ Assists recovery of low-voltage batteries
✔ Extends battery service life
✔ Improves charging performance
✔ Ideal for stored or seasonal vehicles
Note: Repair mode may improve battery performance but cannot revive batteries that have completely failed.
🧠 Automatic Voltage Detection
The latest intelligent CPU control system automatically detects battery voltage and adjusts charging settings accordingly.
Smart Features
✔ Automatic 12V & 24V detection
✔ Automatic charging current adjustment
✔ Battery condition monitoring
✔ Winter and summer charging optimisation
✔ Three charging current levels
✔ Fully automatic operation
Simply connect and let the charger do the work.
🛡 Advanced Safety Protection
Designed with multiple layers of protection for safe and reliable operation.
Safety Features
✔ Reverse polarity protection
✔ Overcharge protection
✔ Over-voltage protection
✔ Over-current protection
✔ Over-temperature protection
✔ Short circuit protection
✔ Spark-free charging system
✔ Flame-retardant ABS housing
📟 Intelligent LCD Display
Monitor charging performance in real-time with the easy-to-read LCD display.
Displays:
✔ Charging status
✔ Battery voltage
✔ Charging current
✔ Battery condition
✔ Selected charging mode
✔ Repair mode status
📐 Specifications
Input Voltage:
100-240V AC 50/60Hz
Output Voltage:
12V / 24V Automatic
Output Current:
- 12V: 20A
- 24V: 10A
Maximum Power:
280W
Supported Capacity:
2Ah – 300Ah
Minimum Starting Voltage:
2.0V
Dimensions:
158 × 90 × 50mm
Weight:
470g
Housing Material:
Flame-Retardant ABS
Package Includes
- 1 x 20A Smart Battery Charger
- 1 x User Manual
Important Notes
- Lithium batteries must have an integrated Battery Management System (BMS).
- Batteries under 10Ah should be charged using the lowest current setting.
- Please select the correct battery chemistry before charging.
- Fan operation during charging is normal and assists cooling.
Why Buy This Smart Battery Charger?
✅ Fast 20A charging performance
✅ Automatic 12V & 24V battery detection
✅ Supports LiFePO4, Lithium & Lead Acid batteries
✅ Intelligent battery repair mode
✅ Multi-stage smart charging
✅ LCD charging display
✅ Workshop, caravan and marine ready
✅ Advanced safety protection system
✅ Suitable for batteries up to 300Ah
✅ Plug-and-play operation
FAQ
You can track your order by using the tracking information provided in the shipping confirmation email. If you encounter any issues with tracking, please contact our customer support at support@aussiecarsupplies.com.
We accept returns within 30 days from delivery. The return label is included within the box, and there is no restocking fee. All returns are free of charge.
Once an order is placed, it enters our processing system promptly. Therefore, changes to orders may not be possible. Please double-check your order before completing the purchase.
Currently, we only ship within Australia. We do not offer international shipping at this time.
You can contact our customer support team at support@aussiecarsupplies.com. We aim to respond to inquiries within a reasonable timeframe.
We accept all major credit and debit cards, including Visa, MasterCard, American Express, Discover. Additionally, we offer Apple Pay and Google Pay for your convenience.
Shipping costs are calculated during the checkout process based on your location and the weight of the items in your order.
If you receive a damaged or defective item, please contact us at support@aussiecarsupplies.com within 7 days of receiving the product. We will provide further instructions on how to proceed with the return or replacement.
To be eligible for a return, items must be unused and in their original condition with all packaging and tags intact. Used items may not be eligible for return.
Once we receive the returned item and verify its eligibility, a refund will be processed to the original payment method. Please allow a reasonable processing time for the refund to reflect in your account.

