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Fully-Automatic Charger with Built-in Protection for Safe Charging
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
AvailableRated Power
12V-170WCharging Current
12V/40AModel NO.
MA-1240ASInput Voltage
160~250VType
Lead-Acid Battery ChargerCharging Type
Electric ChargerPrinciple
Half-Bridge ChargerDisplay Mode
Analog Ammeter DisplayCharging Mode
4-Stage Intelligent ChargingBuilt-in Protection
Reverse Connection, Overcharge, Overload, Short CiHeat Dissipation
Aluminum Alloy Casing ,Cooling FanApplicable Battery Type
Lead-Acid BatteryAccessories
Battery Alligator Clips, Power CordCustom Service
Support Logo, Packaging, Plug CustomizationWarranty Period
12 Months WarrantyTransport Package
Box PackedSpecification
19.7*14.5*7.5cmTrademark
JianruiOrigin
Guangzhou, ChinaHS Code
8504403000Production Capacity
10, 0000 Pieces Per YearKey features
4-Stage Intelligent Charging: Automatically adjusts charging stages to prevent overcharging and extend battery life.
Comprehensive Safety Protections: Built-in reverse connection, overcharge, overload, short circuit, and overheat protection.
Wide Voltage Compatibility: Supports AC 150V-250V input, suitable for global power grids.
Universal Battery Support: Compatible with AGM, Gel, Flooded, and SLA lead-acid batteries from 10Ah to 1000Ah.
Customization Services: Supports custom logo, packaging, plug types, and output voltage adjustments.
Efficient Heat Dissipation: Aluminum alloy casing with cooling fan ensures stability during high-current charging.
Real-Time Current Display: Analog ammeter shows real-time charging current, dropping to near 0A when full.
Fast Charging Capability: Up to 40A charging current for rapid power replenishment on compatible batteries.
Company profile
CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedNearest Port: Guangzhou Port, Shenzhen PortAverage Response Time: ≤0.20h 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?
A:
Designed for 12V lead-acid batteries: car, motorcycle, tricycle, gel, maintenance-free. NOT for lithium or disposable dry batteries.
Q:What's the input voltage range?
A:
Wide AC input 150V-250V, compatible with most mains power.
Q:What is the charging current? How long to fully charge a battery?
A:
Rated charging current 20A. 45Ah battery: ~2 hrs, 60Ah: ~1.5 hrs; time varies by battery power.
Q:What is 3-stage smart charging? What benefits does it bring?
A:
3-stage: constant current, constant voltage, float maintenance; prevents overcharging, extends battery life.
Q:Will it stop charging automatically when full? Can I charge overnight?
A:
Switches to low-voltage float mode when full; safe for overnight charging.
Send Inquiry
*To:
Guangzhou Jianrui Electronics Co., Ltd.
Guangzhou Jianrui Electronics Co., Ltd.*Content:
Supplier replies will be sent to your registered email
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