What devices can this charger work with?

Works 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. Current drops to 0A when fully charged.

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

Slight heating is normal with high current and cooling fan. Cut power if fan stops or unit overheats.

Efficient 12V 50A Charger for Fast and Safe Charging Solutions

Name: Efficient 12V 50A Charger for Fast and Safe Charging Solutions
Brand: Guangzhou Jianrui Electronics Co., Ltd.
SKU: 2305495195

Guangdong, ChinaGuangzhou Jianrui Electronics Co., Ltd.

US$18.90

1-199 Pieces

US$17.58

200-499 Pieces

US$16.91

500-999 Pieces

US$16.23

1,000+ Pieces

Product specifications

Charging power

Sample price:US$19.00/piece.Request sample

Product profile

Customization

Available

Rated Power

12V-170W

Charging Current

12V/50A

Model NO.

MA-1250A

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

24.2*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: MCU logic controls trickle, fast, equalization, and float phases to extend battery life.

Universal Voltage Compatibility: Wide AC input range 150V-250V supports mains power in most countries globally.

Comprehensive Safety Protections: Built-in safeguards against overcharge, overcurrent, overheating, short circuit, and reverse polarity.

High Current Fast Charging: Up to 50A output efficiently charges batteries ranging from 50Ah to 1000Ah capacity.

OEM and ODM Customization: Supports custom logo, packaging, plug types, and current adjustment with MOQ requirements.

1-Year Comprehensive Warranty: Includes 12-month coverage with global technical support and spare parts supply.

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

Superior Heat Dissipation: Aluminum alloy casing combined with cooling fan ensures durability under high load.

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: ≤0.14h 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 cars, motorcycles, gel, and maintenance-free types. Not for lithium or disposable dry batteries.

Q:What's the input voltage range?

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

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

Rated 20A current. A 45Ah battery charges in 2 hours, 60Ah in 1.5 hours. Time varies with battery power.

Q:What is 4-stage smart charging? What benefits does it bring?

With MCU intelligent logic, 4-stage charging includes trickle, fast, equalization, and float phases, preventing overcharging and aging, extending battery life, used in EVs, storage, forklifts, UPS, etc.

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 charging without battery damage.