600W High Quality Battery Charger 12V 25A 30A Smart Charger DC 14.7V 25A 30A for SLA /AGM /VRLA /Gel Lead Acid Batteries

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600W High Quality Battery Charger 12V 25A 30A Smart Charger DC 14.7V 25A 30A for SLA /AGM /VRLA /Gel Lead Acid Batteries

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Product Description

Basic Information

Model NO.

QW120-300-SM

Application

Standard Battery

Nominal Voltage

14.7V

Charger Style

Intelligent Charger

Battery Type

12-Volt Lead-Acid

Dimensions

215*100*55mm

Certification

RoHS, CE

Input Voltage

100-240VAC 50/60Hz

Charging Current

30A (Max)

Shell Material

Aluminium Alloy

★

Product Overview

Quick Summary: This portable fast charger is designed for 12V SLA/AGM/VRLA/GEL lead-acid batteries. With a 441W output power and integrated PFC, it ensures high efficiency (>=90%) and reliable performance even in harsh environments (-40ºC ~ 70ºC).

Features:

Fully auto CC + CV(H) + CV(L) charging process with MCU controller.
Constant big charging current for faster charging cycles.
Automatically charging ending with Cut-Off output for safety.
Durable metal case equipped with Fan Cooling for heat dissipation.
Harsh environment ready: rain proof, low temperature resistance, and corrosion resistance.
Suitable for 12V batteries with capacities ranging from 120Ah to 240Ah.

●

LED Status Indicators

Waiting Mode: GREEN ON

Charging Mode: BLUE FLASH

Full Charged: GREEN ON

Charge Error: RED FLASH

🛡

Integrated Safety Protections

Over Current Protection

Over Voltage Protection

Short Circuit Protection

Reverse Polarity Protection

Anti-revert Current Protection

Anti-spark Protection

📋

Typical Product Models

Model	Battery Type	Input Voltage(V)	Battery Voltage(V)	Charging Voltage(V)	Current(A)
QW128-300-FM	LiFePO4	AC 100~264V	12.8(4S)	14.6	30
QW256-200-FM	LiFePO4		25.6(8S)	29.2	20
QW512-100-FM	LiFePO4		51.2(16S)	58.4	10
QW148-300-LM	Lithium		14.8(4S)	16.8	30
QW481-100-LM	Lithium		48.1(13S)	54.6	10
QW120-300-SM	Lead Acid		12(1S)	14.7	30
QW240-200-SM	Lead Acid	AC 100~264V	24(2S)	29.4	20
QW480-100-SM	Lead Acid	AC 100~264V	48(4S)	58.8	10

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Product Gallery

Frequently Asked Questions

What types of batteries is this charger compatible with?

It is designed for 12V Lead-Acid batteries, including SLA, AGM, VRLA, and GEL types.

What is the charging process for this smart charger?

The charger uses a 3-stage process: CC (Constant Current), CV (Constant Voltage), and Float Charge, all managed by an MCU controller.

Can this charger be used outdoors or in extreme temperatures?

Yes, it features a rain-proof design and is rated for operation in temperatures ranging from -40ºC to 70ºC.

What does the LED indicator signify?

Green indicates waiting or fully charged, flashing Blue means charging is in progress, and flashing Red indicates a charging error.

Does it offer protection against incorrect battery connection?

Absolutely. It includes reverse polarity protection, short circuit protection, and anti-spark protection for safe operation.

What output connectors are available?

We offer various options including Waterproof plugs, Crocodile Clips, Aviation Connectors, XLR, Ring terminals, SAE Plugs, and Anderson Connectors.

600W High Quality Battery Charger 12V 25A 30A Smart Charger DC 14.7V 25A 30A for SLA /AGM /VRLA /Gel Lead Acid Batteries

Product Description

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