KFFKFF 12V 20A DC to DC Battery Charger, 250W, On-Board Charger for Lead-Acid, Lithium, AGM, GEL, and Flooded Batteries, Intelligent Multi-Stage Charging, Suitable for RVs, Commercial Vehicles, Boats
KFFKFF 12V 20A DC to DC Battery Charger, 250W, On-Board Charger for Lead-Acid, Lithium, AGM, GEL, and Flooded Batteries, Intelligent Multi-Stage Charging, Suitable for RVs, Commercial Vehicles, Boats
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KFFKFF 12V 20A DC to DC Battery Charger, 250W, On-Board Charger for Lead-Acid, Lithium, AGM, GEL, and Flooded Batteries, Intelligent Multi-Stage Charging, Suitable for RVs, Commercial Vehicles, Boats

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Key item features

  • Versatile Compatibility: Supports lead-acid, lithium, AGM, GEL, and flooded batteries, and works with various alternator models, ideal for RVs, trucks, and boats.
  • Robust Protection: Features comprehensive safety against over-voltage, under-voltage, high temperatures, and reverse polarity, with an isolated input/output design.
  • Intelligent Charging: Offers multi-stage charging (two-phase for LifePo4, three-phase for lead-acid) to optimize battery capacity and extend longevity.
  • Compact Design: Streamlined aluminum alloy construction with pre-drilled holes for easy, space-saving installation in diverse locations.
  • Battery Revitalization: Includes a lithium battery activation function to restore idle or deeply discharged batteries, ensuring readiness for use.
  • Efficient Operation: An integrated cooling fan adapts to temperature, maintaining smooth and efficient performance without overheating.
  • Clear Monitoring: A two-tone indicator provides quick and easy observation of the charging status.
  • Technical Specifications: Operates with a 12V input, 20A charging current, 250W max output, and weighs 2.65 lbs (1.2 kg).
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Specs

Volts, 12 VAmps, 20 AmpsAutomotive battery charger type, DC-to-DC ChargerBrand, KFFKFFPower type, Corded ElectricDisplay, No Display

About this item

Product details

Product Description

12V 20A DC to DC Battery Charger, Dependable Power Source
This versatile battery charger is suitable for both lead-acid and lithium batteries and can be used with different types of generators, making it perfect for use in RVs and boats. It features intelligent multi-stage charging and safety protection to ensure reliable operation under various conditions. Its compact design is ideal for installations where space is limited.
Rapid Power Replenishment
This DC to DC charger utilizes energy from the generator to replenish your RV's auxiliary battery during travel, maintaining a steady power source throughout your trip.
All-Encompassing Safety
This battery charger is equipped with integrated safety mechanisms, such as high temperature, short circuit, over voltage, and under voltage protection, guaranteeing reliable and consistent operation during travel, allowing you and your family to have a relaxing vacation.
Consistent Functionality
The integrated cooling fan adapts to the battery charger's temperature, maintaining smooth and efficient operation in various settings without overheating, ensuring reliable performance consistently.
Recharge Dormant Batteries
This DC to DC battery charger addresses problems with lithium batteries due to excessive discharge or extended storage, revitalizing your battery and preventing premature disposal.
Battery Support
This battery charger is crafted to fit into compact spaces, ensuring straightforward installation in your vehicle's confined areas, making it a suitable option for your requirements.
Effortless Observation
The two-tone indicator allows for quick and easy monitoring of the charging status, eliminating the need to frequently check the charger or battery.

Specifications

Item Model Number: SDC-20A
Input Voltage: 12V
Input Battery Voltage Range: DC 8V-16V
Charging Current: 20A
Charging Voltage Range: 13.2V-14.7V (Lead-acid Battery), 12.6V-14.6V (Lithium Battery)
Maximum Output Power: 250W
Compatible Battery Type: Lead-acid & Lithium Battery
Casing Material: Aluminium Alloy
Operational Temperature: 4 °F to 122 °F/–20 °C to 50 °C
Net Weight: 2.65 lbs/1.2 kg

Package Content

1 x DC to DC Charger
2 x Fuses
1 x User Manual
  • Compatible with Multiple Battery Types: This 12V 20A DC to DC charger supports both lead-acid and lithium batteries, and functions with different alternator models. Perfect for recharging auxiliary batteries in RVs, trucks, and boats.
  • Comprehensive Safety Features: This on-board battery charger is equipped with protections against over-voltage, under-voltage, high temperatures, and reverse polarity, ensuring reliable and safe operation. The isolated input/output design prevents interference with your vehicle's electrical system.
  • Intelligent Multi-Phase Charging: This battery charger offers various charging phases tailored for LifePo4 (two-phase) and lead-acid batteries (three-phase: bulk, absorption, maintenance). It guarantees a thorough charging process to maximize battery capacity and longevity.
  • Space-saving and Simple Setup: Featuring a streamlined aluminum alloy construction, this DC to DC charger includes pre-drilled holes for effortless installation in any location.
  • Revitalize Your Batteries: This DC to DC battery charger includes a lithium battery activation function, efficiently restoring idle or deeply discharged batteries, ensuring they are ready for use whenever required.
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Specifications

Volts

12 V

Amps

20 Amps

Automotive battery charger type

DC-to-DC Charger

Brand

KFFKFF

Warranty

Warranty information

One Year

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May 14, 2026
Reviewer name: Joseph
Sold and shipped byKFFKFF Auto Tool Store US
3 out of 5 stars
3 out of 5 stars review

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Current price is $66.49
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