Top 9 DC to DC Battery Charger 12V – Automotive Replacement Batteries & Accessories

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1. Renogy


Gel, AGM, Renogy 20A DC to DC Battery Charger for Flooded, and Lithium Batteries Using Multi-stage Charging

Renogy #ad - Multi-chemistry battery Types: AGM, Gel, Flooded, and Lithium.2. 1. 3-phase charging: Bulk, Boost, and Float. Smart protection features: Over-voltage safety, Overheat protection, and Reverse polarity protection. 5. Compact, sturdy design, built tough for all conditions. Battery input and Output Isolation. 4. 3.
BrandRenogy #ad
ManufacturerRenogy #ad
Weight2.93 Pounds
Part NumberRNG-DCC
Model20A DC to DC On-board Battery Charger
WarrantyAccessories1-year material warranty

2. Renogy


And Lithium Batteries, Renogy DC On-Board Charger with MPPT Gel, AGM, 12V 50A, Using Multi-Stage Charging

Renogy #ad - Built-in voltage sensitive Relay VSR for user friendly setup with traditional alternators. Smart protection features: battery isolation, over-voltage protection, over-current protection, overheat protection, reverse current protection, battery temperature protection, solar panel and alternator reverse polarity protection.

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%. Compatible with multiple deep cycle battery types: AGM, Flooded, GEL, and Lithium. 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.
BrandRenogy #ad
ManufacturerRenogy #ad
Height3 Inches
Length9.6 Inches
Weight3.31 Pounds
Width5.7 Inches
Part Numberfor Flooded, Gel, AGM,
ModelDC On-Board Charger with MPPT

3. PowerMax


Powermax 110 Volt to 12 Volt DC Power Supply Converter Charger for Rv Pm3-55 55 Amp

PowerMax #ad - 13. 6 vdc range. Reverse battery protection. 13. 2 vdc range. Ul and cul approved. 14. 4 vdc range.
BrandPowerMax #ad
ManufacturerFieldstone Products #ad
Height4 Inches
Length11 Inches
Weight7 Pounds
Width8 Inches
Part NumberPM3-55
Warranty2 Years

4. PowerMax


Powermax 110 Volt AC to 12 Volt DC Power Supply Converter Charger for Rv Pm3-45 45 Amp

PowerMax #ad - High quality product this powermax pm3 power supply converter can boasts a 45-amp power capacity and it's a three-stage converter and charger that not only supplies power for your DC electronics, but it also charges your RV battery. No need to rewire with no need to re-wire, installation is only 10 minutes! It has automatic three-stage converter handles every charging need for the RV while extending the battery’s life.

This also features super quiet operation because it is built with one of the quietest fans in the industry. Well- maintained batteries should never need more than two-stage normal and trickle charging. Provides a constant clean power supply for using scan tools and reprogramming of ECMs without discharging battery.

Constant and stable power supply mode provides stable power to maintain system voltage for use in a wide variety of applications. It has intelligent way to charge and maintain your RV battery and is very easy to install so it’s a free hassle to use. 3-stage charging system built-in dramatically increases battery life for a long last usage. Safe to use this converter/charger will not boil the battery. Best features this power supply converter has a total dimensions measure 11"x8. 5"x4.
BrandPowerMax #ad
ManufacturerFieldstone Products #ad
Part Number220-PCONV-45

5. Renogy


Battery Temperature Sensor for 12V 20A/40A/60A DC to DC on-board Battery Charger

Renogy #ad - This temperature sensor is compatible with Renogy 12V 20A/40A/60A DC to DC on-board Battery Charger. Simply connect the cable and adhere the sensor on top or the side of the HOUSE BATTERY to record ambient temperature around the battery.

Worry-free service renogy provides complete after-sales service, including 1-year material and easy-to-reach customer support. Remote temperature sensor to active temperature compensation function of solar charge controller. Easily installed with rj11 connector, cable length: 118 inchestemperature range: -20 ~ +80 Tmeperature measurement can be realized close to any part of the battery.
BrandRenogy #ad
ManufacturerRenogy #ad
Part NumberRTSDCC-G1
ModelBattery Temperature Sensor
Warranty1-year material warranty

6. Tecmate


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

Tecmate #ad - Saves your 12v battery agm, deep cycle when no other charger will work. Charge both lead-acid and Lithium batteries from another 12V battery! Safe to use with Lithium batteries.

Fully sealed case to protect against spillage and light rain. Optimate is recommended by honda, ktm and Husqvarna and global battery manufacturers Antigravity, Yamaha, Kawasaki, Super-B and Earth-X. Tests automatically and indicates if there is a battery problem. Connect and forget, no more battery problems. 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. If optimate can't save it, GEL, Starter, STD, nothing will.
BrandTecmate #ad
ManufacturerOptiMate #ad
Height2.56 Inches
Length6.57 Inches
Weight1.32 Pounds
Width1.81 Inches
Part NumberTM-500
Warranty3 Years

7. yelesley


AC to DC Converter 2A 24W Car Cigarette Lighter Socket 110-240V to 12V AC/DC Power Adapter

yelesley #ad - 1. 2m extended total cord convenience to use, just insert it into any power outlet at home, you can use any electronic equipment that has cigarette lighter plug. With abs shell manufacturing, short circuit, includes safeguard features against incorrect voltage, internal overheating, safe to use.

Work perfectly with any car powered devices under 24w, rv refrigerator, Electric Seat Warmer, Air compressor, car tv, like Car Diffuser, Vacuum cleaner, Power amplifier portable Cooler/Warmers, Vacuum cleaner and other DC appliances. Input voltage: 100-240v; output voltage: 12v, output current: 2a; frequency: 50 / 60HZ; Wattage: 24W, for Car charger or Car lighter Plug in, bring your car appliances back home.

Ac/dc power socket adapter transform 110-240v ac from wall plug into 12V DC, works perfectly with any vehicle electronic products with rated power less than 24W, the maximum current is 3. 8a.
Brandyelesley #ad
ManufacturerLesleyye #ad
Part Numberfoasf193



Suitable for iPhone Android Samsung Galaxy S10 s9 Plus, 4 Ports Automatically Identify shunt Charging, DC Converter with Battery Clip 12V 24V to 5V 8A USB Power Adapter Buck Regulator Charger

YIPIN HEXHA #ad - Input voltage: dc8-35v, 12v / 24v lead-acid battery can be changed to 5V; Output parameters: DC5V 8A, 40W max. 4 usb charging ports can charge 4 devices at the same time.

Over voltage, it can be auto protection, over temperature, short circuit, over current, and can work in normal condition when restored. Build-in identification resistor for apple, can charge iphone ipad, Application: use for charging cell phone, power for electronic device etc. Battery + converter = super power bank, which is very suitable for home outdoor travelers to replenish power. With integrated switch ultra-thin regulator module, the conversion rate is as high as 96%.
ManufacturerYIPIN HEXHA #ad
Height1.14 Inches
Length3.23 Inches
Weight0.19 Pounds
Width2.01 Inches
Part NumberS-GYF
Model8v-35v to 5v 8A



BESTEK 500W Power Inverter DC 12V to 110V AC Converter with 4.8A Dual USB Car Charger ETL Listed Blue

BESTEK #ad - Powerful charging: dual 110v ac outlets for powering larger devices such as laptops and tablets or any other household appliances under 500 watts, 2 smart USB ports 0-2. 4a for charging USB-powered devices. A good choice for camping, out door needs or driving trip on the way.

Provides 500w continuous dc to ac power and 1000 watts of peak power, featuring 2 AC outlets and 2 USB quick charging ports. Quiet cooling fan: the smart cooling fan will automatically rotate at different speed according to power load and temperature, this design can help to reduce the fan noise. Also the high speed cooling fan protect the inverter against overheating. Multi-protection: built-in 2*40 amps fuse to protect your device and battery.

Safe charging technology provides protection against overheating, under/over voltage charging, overload and short circuiting. More you get: comes with a car cigarette lighter plug 27. 5 inches and a pair of alligator battery clamps 24 inches, convenient for plugging into your cigarette lighter or hook it to 12V battery, 2 pcs of spare 40A fuses. 18-months warranty and friendly 24H/7D service. Bestek power inverter: america's first power inverter brand.
BrandBESTEK #ad
ManufacturerBESTEK #ad
Height2.44 Inches
Length7.28 Inches
Weight2.3 Pounds
Width4.33 Inches
Part NumberMRI5011BU