products details

Home Products

12V 20A Battery Charger with Four-Step Charging Mode and Reverse Polarity Protection for AGM, GEL, and Lead-Acid Batteries

Brand Name:	Sunchonglic
Model Number:	FMA-1220AS
MOQ:	100pcs
Price:	US $3.18-22.42
Payment Terms:	T/T
Supply Ability:	100000pcs/mon

Detail Information

Product Description

Detail Information

Place of Origin:

China

Rated Input Voltage:

12V 20A Battery Charger For AGM, GEL, And Lead-Acid Batteries — Featuring A Four-Step Charging Mode And Reverse Polarity Protection.

Constant Charge Current:

30A±5%

Floating Voltage:

13.8V

Constant Charge Voltage:

14.5-14.8V

Charge Current :

40A

Input Voltage:

AC220V±10% 50Hz

Packaging Details:

Paper Box

Highlight:

12V 20A AGM battery charger

Four-step charging battery charger

Reverse polarity protection battery charger

Product Description

12V 20A Battery Charger for AGM, GEL, and Lead-Acid Batteries

Featuring a Four-Step Charging Mode and Reverse Polarity Protection

Product Overview

The FMA series lead-acid battery charger is professionally designed for electric vehicle power battery systems, providing excellent performance and seamless compatibility with high-capacity battery packs.

Key Features

Advanced soft-switching technology enables a compact, powerful design with high-efficiency energy conversion
Maintains stable operation under full-load conditions with consistent current output
Supports high-capacity charging while simplifying the installation process
Achieves enhanced durability through meticulous reliability engineering
Provides comprehensive safety protections, including short-circuit, undervoltage, and overheat safeguards
Ensures safe CV-to-float charging transitions to prevent thermal runaway
Minimizes battery damage caused by electrolyte loss and plate sulfation
Includes reverse battery polarity protection to prevent incorrect connections
Maintains constant charging voltage between 14.5V and 14.8V DC
Offers OEM and ODM services for customized solutions

Technical Specifications

Model	FMA-1220A
Charge Current	20A
Input Voltage	AC220V±10% 50Hz
Rated Voltage	12V
Constant Charge Current	20A±5%
Constant Charge Voltage	14.5-14.8V
Floating Voltage	13.8V
Charge Mode	Four-step

Manufacturing Expertise

With over 20 years of experience in solar energy photovoltaic products, we specialize in designing and manufacturing high-quality solar energy solutions. Our factory produces a diverse range of products including solar power inverters, AGM/GEL lead acid battery chargers, and solar charge controllers to meet residential and commercial needs.

Frequently Asked Questions

Are you the factory manufacturer?

We have been manufacturing Solar Energy Photovoltaic Products for over 20 years. We are the original manufacturer and developer of advanced solar energy products including hybrid solar inverters, power inverters, battery chargers, solar controllers, and complete solar systems.

How to select a suitable product?

Tell us your requirements and we will recommend the most suitable product for your needs.

What are your payment methods?

We accept T/T, Trade Assurance, and other secure payment options.

What price terms can you offer?

We can accommodate EXW, FOB, CIF and other international trade terms.

Where is your main market?

Our Sunchonglic brand products are primarily exported to Southeast Asia, Africa, and the Middle East regions.

Internationally acclaimed through customer testimonials, our products adapt proactively to evolving market demands. We invite global partners to establish strategic partnerships promoting shared progress in sustainable development.

Tags:

Modified Sine Wave Inverter

Pure Sine Wave Inverter

Hybrid Solar Inverter

Grid Tie Inverter

PWM Solar Charge Controller

AGM GEL Battery Charger

Voltage Stabilizer

UPS Charger Inverter

Modified Inverter

Solar Powered Generator

MPPT Solar Charge Controller

Lithium Battery Charger

Solar Charge Inverter

Inverter With Charger

LiFePO4 Lithium Battery

Modified Sine Wave Inverter

Pure Sine Wave Inverter

Hybrid Solar Inverter

Grid Tie Inverter

PWM Solar Charge Controller

AGM GEL Battery Charger

Voltage Stabilizer

UPS Charger Inverter

Modified Inverter

Solar Powered Generator

MPPT Solar Charge Controller

Lithium Battery Charger

Solar Charge Inverter

Inverter With Charger

LiFePO4 Lithium Battery

products details

12V 20A Battery Charger with Four-Step Charging Mode and Reverse Polarity Protection for AGM, GEL, and Lead-Acid Batteries

12V 20A Battery Charger with Four-Step Charging Mode and Reverse Polarity Protection for AGM, GEL, and Lead-Acid Batteries

12V 20A AGM battery charger

Four-step charging battery charger

Reverse polarity protection battery charger