20A Smart Battery Charger Automatic Maintainer Trickle Charger & Desulfator 12/24V

About this item

Keep your car, motorcycle, RV, or boat batteries in top condition with this 12V/24V Smart Battery Charger! With a maximum 20A charging current for 12V systems and 10A for 24V systems, this automatic charger is designed to safely charge, maintain, and repair a wide range of battery types, including lead-acid, AGM, GEL, EFB, and LiFePO4 batteries. Perfect for daily use, seasonal storage, or reviving old batteries, this all-in-one charger is a must-have for every vehicle owner.

✨ Key Features:

✅ Multi-Voltage & Adjustable Current: Supports 12V and 24V battery systems with adjustable charging currents (2A/6A/10A/15A/20A) to match different battery sizes and needs.

✅ Large LCD Digital Display: Real-time monitoring of charging voltage, current, battery level, and temperature. The screen also alerts you to common issues like reverse connection, short circuits, and overheating.

✅ 7 Charging Modes for All Battery Types:

• LITHIUM/ LiFePO4 Mode: Optimized for 12.6V/14.6V lithium batteries

• CAR/AGM/MOTO Mode: For standard lead-acid, AGM, and motorcycle batteries

• REPAIR Mode: Uses high/low frequency pulse technology to restore old or sulfated batteries

• BOOSTER Mode: Fast-charges the battery for 200 seconds to help start a dead car quickly

✅ Automatic Temperature Compensation: Built-in temperature sensor switches between winter and summer modes to adjust charging voltage, preventing overcharging in hot weather and undercharging in cold conditions.

✅ Full Protection System: Includes low voltage, overvoltage, short circuit, overcurrent, overheat, fire, and reverse connection protection for worry-free use.

✅ Durable & Fire-Resistant Build: The rugged ABS flame-retardant shell is corrosion-resistant, heat-resistant, and built to withstand the wear and tear of garage and outdoor use.

✅ Wide Compatibility: Works with cars, motorcycles, trucks, RVs, boats, ATVs, lawn mowers, tractors, and more—perfect for all your 12V/24V battery-powered equipment

Specifications:

- Input Voltage: 100-240V AC

- Output Voltage: 12V / 24V (Automatic Recognition)

- Output Current: 2A/6A/10A/15A/20A (Adjustable)

- Supported Batteries: Lead-Acid, AGM, GEL, EFB, LiFePO4

- Display: Large LCD Screen

- Protection Features: 7 Safety Protections (Reverse Polarity, Short Circuit, Overcharge, Overheat, etc.)

- Housing Material: ABS Flame-Retardant Plastic

- Size: Compact and portable design for easy storage and use ��

 Package Includes:

1 x 20Amp Smart Battery Charger

1 x Pair of Alligator Clips

1 x User Manual

How to Use:

1.Connect the charger to the battery terminals (red to positive, black to negative).

2. Plug the charger into a standard 100-240V AC outlet.

3. The charger will automatically detect the battery voltage (12V or 24V).

4. Select the appropriate charging mode (based on your battery type) and adjust the current if needed.

5. The charger will automatically switch to maintenance mode once the battery is fully charged. ⚠️

Notes:

 - Always confirm the battery type before selecting the charging mode to avoid damage.

- Do not use with batteries that are damaged or leaking.

- Keep the charger in a well-ventilated area during use.

 Why Choose Our Smart Battery Charger?

Unlike basic chargers that can overcharge or damage your battery, this smart charger uses advanced technology to deliver a safe, efficient charge every time.

Whether you’re maintaining your daily driver, storing a classic car for the winter, or reviving a dead motorcycle battery, this all-in-one charger has you covered.

It’s eco-friendly, cost-effective, and built to last—saving you time and money on battery replacements.

If you have any questions about compatibility, modes, or troubleshooting, feel free to reach out to us anytime!

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2. 1 year store warranty:
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Package Dimensions LxWxH7.32x7.24x2.64 Inches
Warranty3 Year
Size20Amp
ColorYellow
MPNDoes not apply
Chemical CompositionLithium
Weight1.81 Pounds
BrandSWT-SWeter
AccessoriesUser Manual
TypeCharger
EAN0194230253630
Unit TypeUnit
ISBN0194230253630
Voltage12V
ModelDoes not apply
FeaturesAutomatic
Unit Quantity1
Manufacturer Part NumberSMT-2010
Peak Amps20AMP
Battery Capacity20Amp
ApplicationHigh Drain Devices
Manufacturer Warranty3 Years
Amp Hours1 Ah
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