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COMPATIBILITY Knob operation makes it convenient to quickly select the type of battery that needs to be charged. The output current of the charger is 40A, with high efficiency and adaptability to larger capacity battery packs; There is a low current port that can limit the output current to 20A. There are two charging and discharging current options, 20A and 40A, which are convenient for use in multiple scenarios.
SMART MULTI-STAGE CHARGING The 12V 40A DC to DC smart charger changes different charge modes to match your battery type. For LiFePO4 Battery it will charge in 2-step mode (CC, CV), for Lead Acid Battery it will charge by 3-stage charging (Bulk, Absorption, and Float). It can optimize the charging efficiency of different types of batteries and extend their service life. It also can wake up your lithium battery after BMS protection.
VARIOUS PROTECTION SAFETY This LiTime battery charger with high-quality offers over-voltage protection, low-voltage protection, over-temperature protection, short circuit protection, and output reverse polarity protection to ensure operation safety. It also isolates the input and output to prevent voltage transfer errors and interference with home battery charging.
WIDELY USED The compact and robust design of LiTime 12V 40A DC to DC charger makes it suitable for RVs, commercial vehicles, and many more applications. The output end can not only be connected to a service battery but also be directly used with a DC load.
Note: Use the included screws (Φ5/32'' [4mm], 5/8'' [16mm]) for secure mounting to prevent installation failure or product damage.
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 Signal cable provided with the package through the Vehicle Ignition Port.
It's suitable for 12V Lithium, Gel, AGM, and Calcium batteries. This charger enables the batteries to reach a full 100% charge. Additionally, it has the capability to jump start lithium batteries that have become discharged to a low voltage.
To check if the charger is working properly:
This charger has a durable, rugged design suitable for moderate outdoor environments. However, avoid exposure to extreme weather conditions like heavy rain or snow, as it is not fully waterproof.
The charger includes overcharge protection, reverse polarity protection, overcurrent protection, and thermal protection to ensure safe and reliable charging.
When a DC-DC charger fails to initiate a charge cycle with a LiFePO4 battery, the cause often lies in incorrect settings or insufficient input voltage. Whether the lights are flashing an error code or appear normal, our guide can help you diagnose the specific issue.
Access the In-Depth DC-DC Charger Technical Guide here.
