Top 10 DC-DC Battery Charger – Automotive Replacement Batteries & Accessories

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1. Renogy


Renogy DCC50S 12V 50A DC Board Battery Charger with MPPT

Renogy #ad - Smart protection features: battery isolation, over-voltage protection, over-current protection, reverse current protection, overheat protection, battery temperature protection, solar panel and alternator reverse polarity protection.

Compatible with multiple deep cycle battery types: AGM, GEL, Flooded, and Lithium. Max. Sophisticated automatic 3-phase charging profile Bulk, Boost, and Float ensures your service battery will be accurately charged at the correct voltage levels to 100%. Solar input Voltage : 25V. The renogy dc-dc on-board battery charger with mppt is designed to charge service batteries at the most effecient rate from two DC input, solar panels and the vehicles alternator. Maximum solar Input Power : 660W. Built-in voltage sensitive Relay VSR for user friendly setup with traditional alternators.
BrandRenogy #ad
ManufacturerRenogy #ad
Height3 Inches
Length9.6 Inches
Weight3.13 Pounds
Width5.7 Inches
Part Numberfor Flooded, Gel, AGM, and Lithium Batt
ModelRenogy DCC50S 12V 50A DC-DC
Warranty1-year material warranty

2. Renogy


And Lithium Batteries Using Multi-stage Charging, Renogy 40A DC to DC Battery Charger for Flooded, AGM, Gel

Renogy #ad - 5. Compact, sturdy design, built tough for all conditions. 1. Multi-chemistry battery Types: AGM, Flooded, Gel, and Lithium.4. 3-phase charging: Bulk, Boost, and Float. 3. Battery input and Output Isolation. 2. Smart protection features: Over-voltage safety, Overheat protection, and Reverse polarity protection.
BrandRenogy #ad
ManufacturerRenogy #ad
Part NumberRNG-DCC
Warrantyaccessories1-year material warranty

3. Victron Energy


Victron Energy Orion-Tr Smart 12/12-Volt 30 amp 360-Watt DC-DC Charger, Isolated Bluetooth

Victron Energy #ad - Victron energy orion-tr smart 12/12-volt 30 amp 360-watt DC-DC charger Isolated is a professional DC to DC adaptive 3-stage charger with built-in Bluetooth.

For use in dual battery systems in vehicles or on boats where the alternator and the start battery are used to charge the service battery. Bluetooth smart enabled: the unit can be monitored and programmed via Bluetooth and can be remotely controlled via a remote on/off switch. Screw terminals: the screw terminals give the advantage of not needing any special tools for installation. Is suitable for both lead acid and lithium batteries, Unlimited multiple units can be connected in parallel to increase output power.
BrandVictron Energy #ad
ManufacturerVictron Energy #ad
Height7.32 Inches
Length2.76 Inches
Width5.12 Inches
Part NumberORI121236120

4. Tecmate


TM-500, OptiMATE DC-DC, 6-step 12V/12.8V 2A sealed DC to DC battery saving charger & maintainer

Tecmate #ad - Tests automatically and indicates if there is a battery problem. Connect and forget, no more battery problems. Fully sealed case to protect against spillage and light rain.

Optimate is recommended by honda, kawasaki, KTM and Husqvarna and global battery manufacturers Antigravity, yamaha, Super-B and Earth-X. If optimate can't save it, STD, nothing will. Charge both lead-acid and Lithium batteries from another 12V battery! Safe to use with Lithium batteries. Saves your 12v battery agm, starter, gel, deep cycle when no other charger will work. Bms battery management system wake up mode safely wakes battery with integrated BMS protection out of sleep mode. Continuous charging if healthy, stops and warns if faulty.
BrandTecmate #ad
ManufacturerOptiMate #ad
Height2.56 Inches
Length6.57 Inches
Weight1 Kilograms
Width1.81 Inches
Part NumberTM-500
Warranty3 Years

5. Powermax


Powermax PM4 100A 110V AC to 12V DC 100 Amp Power Converter with Built-in 4 Stage Smart Battery Charger

Powermax #ad - 100 amp dc power Output. Output voltages from 13. 0 vdc to 16. 5 vdc. Ul and cul Approved. Built-in 4 Stage Smart Charger. Reverse polarity, overload and thermal Protection. Quiet Cooling fan.
BrandPowermax #ad
ManufacturerPowerMax #ad
Part NumberPM4 100A
ModelPM4 100A
Warranty2 Years

6. KISAE Technology


50A, KISAE Technology DMT1250 Abso DC-DC Charger

KISAE Technology #ad - Programmable settings for customizing to your battery. Multi-stage battery charging ensuring batteries are charged to manufacturers specifications. Charge your house battery from the engine alternator or from a solar panel. Ideal for charging batteries when household power is unavailable. Microprocessor controlled multi-stage charging algorithms for gel, flooded, AGM and lithium batteries.
BrandKISAE Technology #ad
ManufacturerKISAE Technology #ad
Part NumberDMT1250

7. ProgressiveRC



ProgressiveRC #ad - Ideal for charging all types of 24 volt lead acid batteries including flooded, absorbed glass mat agm and gel cell. As a power supply the unit's tightly controlled regulation allows the user to operate a nominal 24vdc load up to 25 amps.

Converts nominal 108 - 132 ac voltage to 27. 2 dc voltage for both dc load operation and 24v batTERY CHARGING. As a battery charger the unit will maintain the battery delivering its full rated current when the battery capacity falls sufficiently low. Voltage is set to deliver its maximum current for the necessary period of time to minimize undue stress to the battery caused by heating of its cells.
BrandProgressiveRC #ad
ManufacturerIota #ad
Height3.4 Inches
Length9.7 Inches
Width6.7 Inches
Part NumberDLS-27-25

8. Tecmate


12V Battery / DC supply to 12V lead acid or 12.8-13.2V LFP-Lithium Battery Charger, OptiMATE DC to DC

Tecmate #ad - Connect and forget, no more battery problems. Charge both lead-acid and Lithium batteries from another 12V battery! Safe to use with Lithium batteries. Saves your 12v battery agm, starter, gel, deep cycle when no other charger will work. Continuous charging if healthy, stops and warns if faulty. Bms battery management system wake up mode safely wakes battery with integrated BMS protection out of sleep mode. If optimate can't save it, STD, nothing will.
BrandTecmate #ad
ManufacturerTecMATE #ad
Part NumberTM500

9. Ampere Time


Gel, and Li-Mn Battery ect, LiFePO4, Lead-Acid, Best Solution for Lithium Iron Phosphate, AGM, Ampere Time Intelligent AC-DC Battery Charger

Ampere Time #ad - Efficient and environmentally friendly: high Efficiency > 88%, Operating Temperature: -10°C to +40°C, Eco- Friendly. Safety: precise limit of Voltage& Current, guarantee full charged and avoid Over Charge. Compatibility: support charging Multi-Chemistry Battery Types Lithium, AGM, Gel, Flooded, etc. With ce & rohs certification: full automatic transition of CC, CV and Float/Cut off. Smart protection: over current, Current limiting protection, Over Voltage, Short Circuit and Reverse Polarity. Two led indicators, Aluminum Case, Elegant and Reliable.
BrandAmpere Time #ad
ManufacturerAmpere Time #ad
Part NumberAP12V-10A

10. Renogy


Renogy 12V 20A AC-to-DC Portable Battery Charger w/ 12AWG Alligator Clips for Lithium Iron Batteries

Renogy #ad - Easy-to-understand LED indicator for charge status. Compatible with Renogy 12. 8v lithium Batteries. Simple plug-and-Play Technology with Alligator Clips. Electronic Protections and Lithium Activation. Automatic lfp battery Charging with a wide input voltage range.
BrandRenogy #ad
ManufacturerRenogy #ad
Height2.52 Inches
Length9.17 Inches
Width4.25 Inches
Part NumberRBC20A1P
Model12V 20A AC-to-DC
Warranty1-year material warranty