China J30 Intelligent Battery Charger Suppliers, Manufacturers - Factory Direct Price

Product Details

As a reliable solution from Starwell, a professional manufacturer supplier in China, the J30 intelligent battery charger integrates 12V 8A and 24V 4A dual output modes, making it suitable for cars, motorcycles, trucks, and marine applications. It automatically identifies battery conditions and delivers optimized charging performance for AGM, EFB, GEL, and flooded batteries, ensuring stable energy restoration and extended service life.

The J30 intelligent battery charger is specifically designed for modern start-stop vehicles and traditional lead-acid batteries. It is fully compatible with AGM, EFB, GEL, and ordinary flooded lead-acid batteries, and is suitable for 12V (8A) and 24V (4A) systems. It can be safely used in various scenarios such as cars, motorcycles, trucks, and yachts.

Core Advantage
· Professional Fully Automatic Charger: The J30 intelligent battery charger is designed for advanced battery maintenance and repair, delivering stable and efficient performance for daily and long-term use.

· Dual Voltage Output: Supports 12V 8A and 24V 4A, making it compatible with a wide range of vehicles including cars, SUVs, motorcycles, trucks, and yachts.

· Wide Battery Compatibility: Works with AGM, EFB, GEL, and standard lead-acid (start-stop) batteries, ensuring flexible application across modern and traditional systems.

· 3-Stage Intelligent Charging: Features constant current → constant voltage → float charging, automatically adjusting output to battery condition to prevent overcharging and extend battery lifespan.

· Pulse Repair Function: Uses high-frequency pulse technology to reduce lead sulfate crystallization (sulfation), helping restore lost capacity in aged or undercharged batteries.

· Smart LCD Display: Real-time monitoring of voltage, current, charging capacity, temperature, and error codes, improving usability and control.

· Auto Maintenance Mode: Functions as a trickle charger and long-term battery maintainer, ideal for seasonal or infrequently used vehicles.

· Full Safety Protection System: Includes reverse polarity, short circuit, over-voltage, over-current, and over-temperature protection, ensuring safe operation in all conditions.

· Low-Voltage Activation: Can attempt to wake deeply discharged batteries starting from as low as 2V, improving battery recovery success rate.

· Global Power Compatibility: Supports 100–240V wide input voltage, suitable for worldwide use with stable operation and built-in cooling system.

· Core Value: Combines charging, maintenance, repair, and protection in one intelligent system, offering a complete solution for modern battery management.

Features
(1) Car battery charging mode

a: Charging current: Imax: 8.2A@DC13.5V. b: Charging voltage: 13.5V - intelligent control voltage (winter mode: 15.5V, summer mode: 14.6V, spring and autumn mode: 14.9V). c: battery type: lead-acid battery. d: charging maximum current Imax: 8.2A@DC13.5V e: maximum single charge duration tmax: 20H (maximum single charge capacity 85-95AH).

(2) AGM battery charging mode A

Charging current: Imax: 8.2A@DC13.5V. b: Charging voltage: 13.5 V. c: battery type: AGM battery. d: charging maximum current Imax: 8.2A@DC13.5V e: maximum single charge duration tmax:20H (maximum single charge capacity 10-150AH).

(3) Motorcycle charging mode A

Charging current: Imax: 1.45A@DC13.5V. b: Charging voltage: 13.5 V. c: battery type: conventional DC12V lead-acid battery. d: charging maximum current Imax: 1.45A@DC13.5V e: maximum single charge duration tmax:20H (maximum single charge capacity 2-15AH).

(4) Lead-acid battery repair mode A

Repair principle: positive pulse voltage repair mode. b: repair voltage: 14.9V. c: battery type: restricted to lead-acid type batteries. d: maximum repair time tmax: 20H.

Specification

Product Name	12V 8A automatic pulse agm efb gel battery charger lead-acid start stop 3-stage battery charger for car motorcycle
Type	Plug-In Charger
Protection	Short Circuit Protection, Over-charging, Overcurrent, Overvoltage
Charger model	J30
Port	DC,AC
Input voltage and current	100-240V AC ,50-60Hz
output voltage and current	12V/8A, 24V/4A
Output Power	140W
Place of Origin	China
Usage	Motocycle,Car,truck;vehicle; AGM/GEL/WET/lead-acid battery
Material	ABS + plastic shell
Efficiency	85%
Size	170(L)98(W)58(H)
Warranty	1 Year
Package	20pcs/ctn; 30pcs/ctn