What devices can this charger work with?

Works with 12V lead-acid batteries for cars, motorcycles, tricycles, and solar systems.

Does the analog ammeter display real-time current?

Yes, it displays real-time current, dropping near 0A when fully charged.

Is it normal for the charger to get warm during charging?

Slight heat is normal with high current; fan stops or extreme heat, cut power.

Can I customize this battery charger?

Yes, we offer custom logo, packaging, plugs, and adjustments. MOQ required; contact us.

Automatic Wireless Charger with Intelligent Charging and Safety Features

Name: Automatic Wireless Charger with Intelligent Charging and Safety Features
Brand: Guangzhou Jianrui Electronics Co., Ltd.
SKU: 2314298025

Guangdong, ChinaGuangzhou Jianrui Electronics Co., Ltd.

US$15.70

1-199 Pieces

US$14.60

200-499 Pieces

US$14.10

500-999 Pieces

US$13.50

1,000+ Pieces

Product specifications

Charging power

Sample price:US$16.00/piece.Request sample

Product profile

Customization

Available

Rated Power

12V-170W

Charging Current

12V/40A

Model NO.

MA-1240AS

Input Voltage

160~250V

Type

Lead-Acid Battery Charger

Charging Type

Electric Charger

Principle

Half-Bridge Charger

Display Mode

Analog Ammeter Display

Charging Mode

4-Stage Intelligent Charging

Built-in Protection

Reverse Connection, Overcharge, Overload, Short Ci

Heat Dissipation

Aluminum Alloy Casing ,Cooling Fan

Applicable Battery Type

Lead-Acid Battery

Accessories

Battery Alligator Clips, Power Cord

Custom Service

Support Logo, Packaging, Plug Customization

Warranty Period

12 Months Warranty

Transport Package

Box Packed

Specification

19.7*14.5*7.5cm

Trademark

Jianrui

Origin

Guangzhou, China

HS Code

8504403000

Production Capacity

10, 0000 Pieces Per Year

Key features

4-Stage Intelligent Charging: Automatically switches between bulk, absorption, float, and repair modes for optimal battery health.

Universal Voltage Compatibility: Accepts wide AC input range from 150V to 250V for stable charging in various regions.

Comprehensive Safety Protections: Features reverse connection, overcharge, overload, short circuit, and overheat protection.

Multi-Battery Type Support: Compatible with AGM, Gel, Flooded, and SLA sealed lead-acid batteries.

Customization Services: Supports custom logo, packaging, and plug types with flexible customization options.

Efficient Heat Dissipation: Aluminum alloy casing with cooling fan ensures stability during long-term operation.

Real-Time Current Display: Analog ammeter displays real-time charging current, dropping to near 0A when full.

12 Months Warranty: Includes 1-year warranty with global technical support and spare parts supply.

Company profile

High Repeat Buyers ChoiceFast DeliveryFlexible Customization100% Finished Products Inspection

Guangzhou Jianrui Electronics Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤0.09h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): CIF, CFR, EXW, FOB

About Our Factory & Business Background

Address3rd Floor, No.15, Lane 14, Baishuikeng Central Street, Nancun Town, Panyu District, Guangzhou City, Guangdong Province

Plant Area660 square meters

Average Lead TimePeak Season Lead Time: within 15 workdays Off Season Lead Time: within 15 workdays

Minimum Order Quantity1 Piece

Supply Chain Partners15

Our Production Capability & Technical Expertise

Main ProductsToroidal Transformer, Inverter

Production Lines2

Production MachinesReflow Soldering Machine, SMT Machine, Super Mute Terminal Machine, Winding Machine, Semi-automatic Dip Welding Machine, Cutting Machine

Inspection Type for Finished Products100% inspection(Function inspection & Visual inspection)

Inspection Method for Finished ProductsFinished product checked by packing staff

Traceability of Raw MaterialsYes

Our Industry Experience & Global Business Record

Year of Establishment2014-06-13

Main MarketsNorth America, Southeast Asia

Repeat Buyers Choice80%~100%

Overseas Agent/BranchNo

Product Q&A

Q:What battery voltage is this charger for?

Designed for 12V lead-acid batteries, compatible with car, motorcycle, tricycle, gel, and maintenance-free lead-acid batteries. Not for lithium or disposable dry batteries.

Q:What's the input voltage range?

Wide AC input 150V-250V, compatible with most mains power.

Q:What is the charging current? How long to fully charge a battery?

Rated 20A. A 45Ah battery takes ~2hrs, 60Ah ~1.5hrs; time varies with remaining power.

Q:What is 3-stage smart charging? What benefits does it bring?

Includes constant current fast, constant voltage equalizing & float maintenance charging. Stops overcharging & extends battery life.

Q:Will it stop charging automatically when full? Can I charge overnight?

It auto-switches to low-voltage float mode when full. Safe for overnight charging.