Smart Battery Charger 12V/24V 20A 7-Stage AGM Lead-Acid LiFePO4

If you're maintaining expensive AGM, LiFePO4, or commercial batteries with basic chargers, this 20A smart battery charger is the smart choice. It's significantly more advanced than the cheap 3-stage chargers that damage batteries and give false "full charge" readings.

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Most basic battery chargers only provide simple 3-stage charging that can overcharge AGM batteries and completely fail with LiFePO4 chemistry. This 7-stage smart charger delivers 20A fast charging with microprocessor control and repair mode capability that basic chargers simply can't match.

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Don't risk expensive battery damage with basic chargers that lack proper profiles. This professional 7-stage charging with temperature compensation protects your investment and actually repairs sulphated batteries, backed by our 12-month warranty.

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The intelligent repair mode can revive deeply discharged batteries that other chargers abandon as "dead." Silent cooling system and large LCD display provide professional workshop capability.

---Key Features

• 20A Fast Charging Capability - High amperage charging reduces charging time vs basic 10A chargers
• 7-Stage Smart Charging Process - Advanced charging profile protects battery life vs basic 3-stage chargers
• Lead-Acid AGM LiFePO4 Compatible - Universal battery chemistry support vs limited compatibility
• 12V/24V Dual Voltage - Works with cars, motorcycles, trucks, and commercial vehicles
• Intelligent Repair Mode - Revives deeply discharged and sulphated batteries other chargers abandon
• Microprocessor Control - CPU manages optimal charging vs basic timer-controlled chargers
• Temperature Compensation - Adjusts charging based on ambient temperature for battery health
• Multiple Safety Protection - Reverse polarity, overcharge, overheat, and short circuit protection
• Real-Time LCD Display - Live voltage, current, temperature, and charging stage monitoring
• Silent Fan Cooling - Intelligent temperature-controlled cooling prevents overheating

---Technical Specifications

• Output Current: 20A (12V), 10A (24V)
• Maximum Power: 300W
• Charging Stages: 7-stage intelligent process
• Battery Range: 6Ah - 300Ah capacity
• Minimum Start Voltage: 5.0V (deep discharge recovery)

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Battery Chemistry Support

• Lead-Acid - Standard automotive batteries (most common)
• AGM - Start-stop and premium vehicle batteries
• LiFePO4 - Lithium iron phosphate (specialty applications)
• Gel - Deep cycle and marine applications
• EFB - Enhanced flooded batteries (newer start-stop systems)
• Calcium - Maintenance-free automotive batteries

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Build Quality

• Input Voltage: 100-240V AC (universal power supply)
• Efficiency: ~85% (reduced heat generation)
• Material: PC fireproof shell construction
• Cooling: Intelligent silent fan system
• Dimensions: 192 × 102 × 165mm (compact design)
• Weight: 955g (portable professional unit)

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Safety Features

• Reverse Polarity Protection - Prevents connection errors
• Overcurrent Protection - Protects charger and battery
• Overvoltage Protection - Prevents electrical damage
• Thermal Protection - Temperature monitoring prevents overheating
• Short Circuit Protection - Immediate shutdown protects equipment

---Charging Modes & Applications

Car Mode (12V):Standard automotive battery charging with temperature compensation for reliable daily-use vehicle batteries.

AGM Mode (12V/24V):Specialized profile for start-stop vehicle batteries and premium AGM applications requiring precise voltage control.

Moto Mode (12V):Optimized for motorcycle batteries with lower amperage and gentle charging profile suitable for smaller capacity batteries.

Repair Mode (12V/24V):Pulse charging technology revives sulphated and deeply discharged batteries that standard chargers cannot recover.

---Battery Maintenance & Recovery

Professional Repair Capability:The intelligent repair mode uses pulse charging technology to break down sulphation in aged batteries, often recovering batteries that appear completely dead.

7-Stage Charging Process:

1. Diagnosis - Battery condition assessment
2. Recovery - Deep discharge restoration
3. Soft Start - Gentle charging initiation
4. Bulk Charge - High current charging phase
5. Absorption - Voltage optimization
6. Test - Battery capacity verification
7. Maintenance - Float charging protection

Temperature Management:Automatic voltage adjustment based on ambient temperature ensures optimal charging in SA climate conditions from cold mornings to hot afternoons.

---Vehicle Compatibility

Universal 12V Applications:Cars, motorcycles, caravans, boats, and backup power systems using lead-acid, AGM, or LiFePO4 batteries.

Commercial 24V Applications:Trucks, buses, heavy equipment, and commercial vehicles requiring professional-grade charging capability.

Battery Size Range:Suitable for 6Ah motorcycle batteries up to 300Ah truck and marine batteries with appropriate charging time scaling.

What's in the box
1 x Smart Battery Charger & Repair Lead-Acid, AGM, Gel, EFB, CA LiFePO4 Batteries 12V/24V 20A