What devices can this charger work with?

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

Does the analog ammeter display real-time current?

Yes, it shows real-time current. The current nears 0A when fully charged.

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

Heating is normal under high current with cooling fan. Disconnect if fan stops or unit overheats.

Can I customize this battery charger?

Yes, offering custom logo, packaging, plug types, output current, and more. MOQ applies. Contact us.

Series-Automatic Charger with Overcharge and Overload Protection Features

Name: Series-Automatic Charger with Overcharge and Overload Protection Features
Brand: Guangzhou Jianrui Electronics Co., Ltd.
SKU: 2305495275

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 manages bulk, absorption, float, and pulse repair for optimal battery life.

Universal Voltage Compatibility: Wide AC input range of 150V-250V supports global power standards.

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

OEM and ODM Customization: Supports custom logo, packaging, plug types, and output current configurations.

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

Temperature-Controlled Cooling: Built-in cooling fan ensures stable operation and prevents overheating.

Real-Time Analog Display: Analog ammeter shows real-time current, dropping to 0A when fully charged.

Fast Charging Capability: Up to 40A output current efficiently charges 50Ah to 200Ah batteries.

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 & maintenance-free lead-acid batteries. Not for lithium or disposable dry batteries.

Q:What's the input voltage range?

Wide AC input 150V-250V, suits mains power in most countries.

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

Rated at 20A. 45Ah takes 2hr, 60Ah 1.5hr; time depends on remaining power.

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

3-stage includes fast, equalizing & float charging. Stops overcharging, extends battery life.

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

Auto-switches to low-voltage float mode once fully charged. Safe for overnight use without battery harm.