

Hero image 0 of KFFKFF DC to DC Charger with MPPT, 520W, 40A On-Board Battery Charger, Dual Input for Solar Panel and Alternator, Multi-Stage Charging for LiFePO4 and Lead-Acid Batteries, 12V/24V to 12V/24V, 0 of 9
KFFKFF DC to DC Charger with MPPT, 520W, 40A On-Board Battery Charger, Dual Input for Solar Panel and Alternator, Multi-Stage Charging for LiFePO4 and Lead-Acid Batteries, 12V/24V to 12V/24V
Key item features
- Efficient Charging Capability: This DC to DC charger provides a maximum output of 40A and 520W with an efficiency rate of up to 94%, ensuring quicker charging compared to traditional car cigarette lighter chargers. It is compatible with solar panel input as an alternative power source and incorporates advanced MPPT technology to enhance solar energy utilization. By focusing on solar power, it helps decrease the strain on the alternator and improves overall charging efficiency.
- Reverse Charging Capability: Stay prepared for unexpected situations. This DC to DC battery charger allows reverse charging from the auxiliary battery to the starter battery when needed, ensuring you can quickly resume your journey without relying on external help.
- Wide Battery Compatibility: This DC to DC charger supports various battery types, including LiFePO4, Lead Acid, GEL, AGM, and Calcium batteries. It is also compatible with more than 95% of portable power stations and comes with two DIP switch keys for easy battery type adjustment.
- 12V/24V Wide Voltage Compatibility: This DC to DC battery charger offers four versatile charging modes: 12V to 12V, 12V to 24V, 24V to 12V, and 24V to 24V. It is tailored to accommodate various charging requirements for RVs, campers, trailers, off-grid systems, home backup power, and more.
- Dependable Charging Safeguards: This DC to DC charger is equipped with an integrated cooling fan to ensure efficient operation even in high-temperature conditions. It features protections against overvoltage, undervoltage, reverse polarity, overheating, and short circuits, promoting longer battery life and safe charging.
Specs
Automotive battery charger type, DC-to-DC Charger
Volts, 12 V, 24 V
Amps, 40 Amps
Power type, Battery, Solar
Display, LED
Brand, KFFKFF
Automotive battery charger type
DC-to-DC Charger
Volts, 12 V, 24 V
Volts
12 V, 24 V
Amps, 40 Amps
Amps
40 Amps
Power type, Battery, Solar
Power type
Battery, Solar
Display, LED
Display
LED
Brand, KFFKFF
Brand
KFFKFF
About this item
Product details
Product Description
520W 40A DC to DC Charger, Energize Your Journeys
This charger provides a maximum output of 520W and 40A for rapid charging. It is equipped with support for solar panel input, utilizing an MPPT function for efficient backup power. Additional features include emergency reverse charging, compatibility with 12V/24V-12V/24V wide-voltage systems, and two DIP switch keys for customization. It works with LiFePO4, Lead-acid, GEL, and AGM batteries, as well as the majority of power stations available.
Illuminated Display
This DC to DC charger is equipped with a user-friendly LED indicator, offering a clear view of the charging status in real time.
XT60 Fast-Connect Cable
This DC to DC battery charger is equipped with an XT60 quick-connect cable, ensuring efficient and reliable wiring.
Comes with a pair of DIP switch keys for convenient operation.
Equipped with two DIP switch keys, this DC to DC charger allows for seamless adjustment to accommodate different battery types in your configuration.
Effortless Setup
This DC-to-DC charger is equipped with an XT60 quick-connect cable, ensuring a secure and efficient connection for hassle-free charging.
Versatile Usage
This DC to DC charger is designed for use in RVs, cars, boats, and trucks, offering a dependable solution for outdoor charging. Whether you're on the road, working, or spending time off-grid, it ensures convenient and efficient power supply.
Enhanced Safety Features
This DC to DC charger is equipped with safeguards against overvoltage, undervoltage, reverse polarity, overheating, and short circuits, promoting battery longevity and ensuring safe charging performance.
Specifications
Item Model Number: C40AMPPT
Input Voltage: 12V/24V
Charging Voltage: 12.6V-29.4V
Charging Current: 40A
Max Output Power: 520W
Package Content
1 x DC to DC Charger
2 x DIP Switch Keys
1 x User Manual
- Efficient Charging Capability: This DC to DC charger provides a maximum output of 40A and 520W with an efficiency rate of up to 94%, ensuring quicker charging compared to traditional car cigarette lighter chargers. It is compatible with solar panel input as an alternative power source and incorporates advanced MPPT technology to enhance solar energy utilization. By focusing on solar power, it helps decrease the strain on the alternator and improves overall charging efficiency.
- Reverse Charging Capability: Stay prepared for unexpected situations. This DC to DC battery charger allows reverse charging from the auxiliary battery to the starter battery when needed, ensuring you can quickly resume your journey without relying on external help.
- Wide Battery Compatibility: This DC to DC charger supports various battery types, including LiFePO4, Lead Acid, GEL, AGM, and Calcium batteries. It is also compatible with more than 95% of portable power stations and comes with two DIP switch keys for easy battery type adjustment.
- 12V/24V Wide Voltage Compatibility: This DC to DC battery charger offers four versatile charging modes: 12V to 12V, 12V to 24V, 24V to 12V, and 24V to 24V. It is tailored to accommodate various charging requirements for RVs, campers, trailers, off-grid systems, home backup power, and more.
- Dependable Charging Safeguards: This DC to DC charger is equipped with an integrated cooling fan to ensure efficient operation even in high-temperature conditions. It features protections against overvoltage, undervoltage, reverse polarity, overheating, and short circuits, promoting longer battery life and safe charging.
info:
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Specifications
Automotive battery charger type
DC-to-DC Charger
Volts
12 V, 24 V
Amps
40 Amps
Power type
Battery, Solar
Warranty
Warranty information
One Year
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.
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Showing 1-1 of 1 review
Oct 23, 2026
Reviewer name: Yavuz
5 out of 5 stars
Verified Purchase
Looks good, didn't hook it up yet.
Helpful?4GLNM9IO2RJL20018223181
Current price is USD$109.99
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