matson MA21DCS User Manual

1
MA21DCS 20AMP
CHARGER
20AMP DC-DC
WITH SOLAR INPUT
Heavy duty aluminium case and mounting
brackets
Encapsulated and sealed to IP65 for under
bonnet applications
Microchip monitoring and control
Fully automatic high frequency multi
stage charging
Pulse mode technology that reduces
oxidation, evens electrolyte consistency and
minimises temperature equating to longer
battery life
Easy push button chemistry selection: Lead
Acid/AGM (including VRLA and conventional
ooded batteries), Gel, Calcium and LiON
(LiFePO4)
Internal charger temperature monitoring
and power output control
LED indicators showing stage of charge
Over charging, short circuit and over
temperature protection
Reverse polarity protection:
1. Input reverse polarity protection
2. Output reverse polarity protection
Thermal overload protection
Solar input overload protection
Power cut memory function: once selected,
the charger will remain on this battery type
until it is changed
USER
MANUAL
This MA21DCS charger is a sophisticated multi stage charger, utilising switch mode and
fully automatic computerised control, designed to charge most 12 Volt AGM/Lead Acid, Gel,
Calcium and LiON.

matson MA21DCS Specifications

General

Automatic Operation	Yes
Reverse Polarity Protection	Yes
Overcharge Protection	Yes
Output Voltage	12V
Battery Type	Lead Acid
Protection Features	Short Circuit

Summary

Safety Instructions

General Safety Precautions

Essential safety guidelines for using the battery charger and handling batteries.

Installation Options and Instructions

Installing the Charger

Guidance on physically installing the MA21DCS charger and its connections.

Low Voltage Alternator Ignition Sensing

Instructions for connecting ignition sensing for low voltage alternators.

Operating the Charger

Charger Display and Indicators

Explanation of the charger's LED indicators for power, charging, and status.

DC Battery Input Operation

How the charger operates when connected to the main battery.

Solar Input Operation

How the charger operates when connected to solar panels.

Specifications

Charging Voltages

Deep Cycle Battery Information

Details on using the charger with deep cycle batteries and their characteristics.

Fault Finding

Warranty Policy