What devices can this charger work with?

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

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

Slight heating is normal with high current. If fan stops or unit overheats, cut power.

Can I customize this battery charger?

Yes, offering custom logo, packaging, plug types, output current & parameter adjustment. MOQ applies.

700W Automatic Charger with Reverse Connection Protection for Devices

Name: 700W Automatic Charger with Reverse Connection Protection for Devices
Brand: Guangzhou Jianrui Electronics Co., Ltd.
SKU: 2305495315

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 pulse repair modes for optimal battery health.

Comprehensive Safety Protections: Built-in reverse connection, overcharge, overload, short circuit, and overheat protection for safe operation.

Wide Input Voltage Range: Supports AC 150V-250V universal input, compatible with global power grids and unstable voltage environments.

Universal Battery Compatibility: Works with AGM, Gel, Flooded, and SLA lead-acid batteries for cars, motorcycles, boats, and solar systems.

Active Cooling System: Features aluminum alloy casing and temperature-controlled cooling fan for efficient heat dissipation.

Customization Support: Offers custom logo, packaging, plug types, and adjustable output parameters with MOQ requirements.

Real-Time Analog Display: Equipped with analog ammeter to show real-time charging current, dropping near 0A when fully charged.

12-Month Warranty: Includes 1-year warranty covering mechanical defects with free parts and labor, plus global technical support.

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 mains power in most countries.

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

Rated charging current 20A. A 45Ah battery takes about 2 hours, 60Ah battery about 1.5 hours; depends on remaining battery power.

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

3-stage charging includes constant current fast charging, constant voltage equalizing, and float maintenance charging, preventing overcharging and extending battery life.

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

It switches to low-voltage float mode once fully charged, safe for overnight without battery damage.