8A Smart Battery Charger – 12V LiFePO4 & Lead Acid Multi-Stage Trickle Charger with Temperature Compensation
Keep your vehicle batteries fully charged, protected, and ready to perform with this 8-Amp Smart Battery Charger for 12V LiFePO4 and Lead-Acid batteries. Designed for cars, trucks, motorcycles, boats, lawn mowers, and marine applications, this portable multi-stage battery charger and maintainer delivers fast, safe, and intelligent charging in all seasons.
Perfect for home garages, workshops, and on-the-go emergency charging, this advanced charger combines trickle charging, pulse repair technology, and temperature compensation to extend battery life and improve engine starts.
Key Features & Benefits
⚡ Fast 8A Multi-Stage Smart Charging
This 12V 8-Amp battery charger delivers significantly faster charging than standard 6A chargers. It supports LiFePO4 and all lead-acid battery types, including:
AGM
GEL
SLA
Flooded
Deep-cycle batteries
Compatible with vehicles such as cars, trucks, SUVs, motorcycles, lawn mowers, boats, and marine equipment.
🔋 Intelligent Trickle Charger & Battery Maintainer
Once fully charged, the charger automatically switches to trickle/float mode, keeping your battery at optimal levels for long-term storage. Ideal for winter, holidays, or vehicles left unused for months—your battery stays healthy and ready to go.
📊 Large Color LED Display
The extra-large color screen provides real-time charging data, even in direct sunlight:
Charging voltage & current
Battery charge percentage
Internal temperature (°C/℉)
Summer & winter modes
Charging status indicators
The extended 7ft charging cable offers added convenience in garages and outdoor use.
🛡️ Advanced Safety Protection System
Engineered with smart control and premium fire-resistant materials, this charger offers complete charging protection, including:
Reverse polarity protection
Over-current & over-voltage protection
Short-circuit protection
Over-temperature protection
Intelligent cooling system
Automatic temperature compensation
Safe and reliable charging anytime, anywhere.
🔄 High-Efficiency Pulse Repair Technology
Built-in pulse repair mode detects battery sulfation and acid stratification to help restore lost battery performance. Improves cold starts and extends overall battery lifespan.
Note: Cannot activate or charge completely dead batteries.
🎁 Ideal Household Tool & Gift Choice
With automatic seasonal temperature adjustment and powerful safety features, this smart charger is a must-have garage essential and a practical gift for car owners, DIY enthusiasts, and professionals alike.
Technical Specifications
Brand: RJtianye
Model: RJ-C120801A
Battery Type: 12V Lead-Acid & LiFePO4 (14.6V ±0.2V)
Charging Current: DC 8A (Max)
Charging Voltage: DC 13.8V–15.5V
Battery Capacity Range: 4Ah–150Ah
Input Voltage: AC 110–230V (50–60Hz)
Operating Temperature: -15°C to 45°C (Automatic voltage compensation)
Dimensions: 146 × 81 × 60 mm
Net Weight: 420g
Input Cable Length: 150 cm
Output Cable Length: 65 cm
⚠ Important: Charging LiFePO4 batteries without a built-in BMS is strictly prohibited.
Package Includes
1 × 12V 8A Smart Battery Charger
1 × User Manual
Notes
Product color may vary slightly due to display settings.
Minor measurement variations may occur due to manual measurement.
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.

