LiTime 12V 40A DC to DC Battery Charger with MPPT

【Compatibility】Multiple Options For Charging 12V Batteries. Fit for 12V Lithium, Gel, AGM, and Calcium batteries and allows the batteries to be charged 100%. Also, it can activate the dead lithium batteries at low voltage.

【Max. 600W Solar Input & 40A Current Output】Equipped with an ACC wire, a solar input terminal, a DC input terminal, and an output terminal to enhance the operational efficiency of the solar, alternator, starting battery, and service battery.

【Intelligent Charging Protection】Overvoltage input protection, output reverse connection protection, battery overvoltage protection, over temperature protection, charging timeout protection, and BMS protection (for LFP battery).

【Easily Operating】Simple and straightforward operation instructions with LED indicator and operation buttons, users only need to choose the suitable battery type for your battery, then let the DC-DC charger do the charging.

【Reverse Charging】When the starting battery voltage is between 3-12V and the living battery voltage is greater than 12.5V, press and hold "REVERSE CHARGE" for 3 seconds to start reverse charging. It is recommended to start the battery when the voltage is greater than 13V and exit reverse charging when the charging current is less than 10A or the voltage of the domestic battery is less than 11V.

Note: Use the included screws (Φ15/64'' [6mm], 15/32'' [12mm]) for secure mounting to prevent installation failure or product damage.

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surface of litime 12v 40a dc to dc battery charger

LiTime 12V 40A DC to DC Battery Charger with MPPT

$249.99 $179.99

LiTime 12V 40A DC to DC Battery Charger with MPPT

$249.99 $179.99
    • FEATURES

    • SPECS

    • FAQ

    • REVIEWS

    Multiple Options for Charging 12V Batteries
    The LiTime 12V 40A DC to DC Battery Charger offers versatile charging options for various battery types, ensuring compatibility and optimal performance. This charger is designed to meet the specific charging requirements of different battery chemistries, making it an essential tool for any battery setup. Before using the DC-DC charger to recharge your batteries, please select the correct battery type. It is essential to confirm the charging requirements with your battery manufacturer to ensure safe and effective charging. With the LiTime DC-DC Battery Charger, you can confidently maintain and recharge your 12V batteries across a variety of applications!
    LiTime 12V 40A DC to DC charger with MPPT, supporting LiFePO4, lead acid, GEL/AGM, and calcium batteries
    Recommended Cable Sizing & Fusing
    To ensure optimal performance and safety when using the LiTime 12V 40A DC to DC Battery Charger, it is essential to follow the recommended cable sizing and fusing guidelines.
    recommended cable sizing and fusing of litime litime 40A dc to dc charger
    Always Keep the Power On the Go
    With the LiTime 12V 40A DC to DC Battery Charger, you can ensure that your power needs are met wherever you are. This system is designed for versatility, allowing for two charging sources to keep your service battery charged and ready for use.
    diagram of litime dc to dc 40a charger with solar input

    SPECS

    BASIC
    System Nominal Voltage:
    12V
    Battery Type:
    SLA, AGM, GEL, CA, LI
    Charging Current:
    40A
    Charging Efficiency:
    Up to 93%
    Charging Voltage Range:
    7V to 15.4V
    Max. Alternator Input Power:
    600W
    Standby Self-Consumption:
    <10mA
    Humidity:
    0%~90%
    Max. Solar Input Power/Voltage:
    600W/30V
    Min. Solar Input Voltage:
    10V
    DIMENSIONS
    Size:
    5.83*1.89*7.44 inch
    Approx. Weight:
    2.43lbs
    TEMPERATURE
    Operating:
    -10°C to 45°C/-14'F to 113°F
    Storage:
    -20°C to 65°C/-4°F to 149°F

    FAQ

    Q: What is a DC-DC charger, and why do I need it?

    A:

    A DC-DC charger allows you to safely charge a leisure battery from your vehicle's alternator while protecting both the alternator and batteries. It ensures efficient charging, especially in setups with lithium batteries.

    Q: What type of alternator is this DC to DC on board battery charger compatible with?

    A:

    This battery charger is designed to work with both conventional and smart alternators. However, because conventional alternators maintain a consistent voltage during charging, while smart alternators adjust their charging output based on operating conditions, it is necessary to connect the charger to the smart alternator using the IGN Signal Wire provided with the package through the Vehicle Ignition Port.

    Q: What types of battery does the charger support?

    A:

    It’s compatible with 12V Lithium, Gel, AGM, and Calcium batteries, providing a full 100% charge for each type. Additionally, it can jump start lithium batteries that have been discharged to low voltage levels.

    Q: What will happen if the service battery is fully charged?

    A:

    The LiTime DC to DC Battery Charger with solar input, incorporates a Voltage Sensitive Relay (VSR). This feature enables the charger to perform Trickle Charging for the service battery, preserving its full charge, as well as to perform Trickle Charging for the starting battery using solar panels. Additionally, the VSR guarantees dependable isolation between the starting battery and service battery, preventing any charging interference.

    Q: Can I use this DC-DC charger while driving?

    A:

    Absolutely. This DC-DC charger is designed to work while the vehicle is running, providing continuous charging to your secondary battery from the alternator.

    Q: How does this charger handle temperature variations?

    A:

    The charger includes a temperature sensor to adjust charging based on ambient temperatures, optimizing charging and protecting batteries in both hot and cold conditions.

    REVIEWS

    Customer Reviews

    Based on 8 reviews
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    (8)
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    B
    Bill Blanford
    12V 40A DC to DC Battery Charger with MPPT

    Charger was installed in a RAM 3500 pickup with two parallel connected LI 12V 100AH Batteries using #8 gage wire, providing power to a 12V refridgerator. It operated well for the first few weeks. Then it failed to charge the batteries. When it is turned on, it charges for a few seconds, then the 60A circuit breaker on the input connected to the vehicle battery trips. Wendy at LI Time was very helpful with providing possible solutions to investigate. Turns out, the 60A circuit breaker I mounted in the engine compartment was tripping at 45A. It may have been damaged by the heat in the engine compartment. I installed a new 60A breaker inside the vehicle. Charger has been operating well.

    E
    Edward Doyle
    All in one8

    This simplified my electric install on my van by combining the dc to dc (charge while I drive) with the mppt (charge with panels while I'm parked) it saved me time and money by not having to buy and hook up a separate charge controler. We'll worth the money AWESOME PRODUCT, a must buy.

    B
    Brandon Hennings
    Dc to.dc charger

    100% love it

    C
    Carlo Bundalian

    LiTime 12V 40A DC to DC Battery Charger with MPPT

    N
    Nizio Cheryl

    How can I send this unit back. Found out I bought the wrong charger.

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