PowerTech MB3904 - User Manual

Instruction Manual
8 Step Intelligent
Lead Acid and Lithium
Battery Charger
MB3904

PowerTech MB3904 Specifications

General

Charging Current	2A / 4A
Battery Type	Lead-Acid
Voltage	12V
Output Voltage	12V DC
Output Current	4A
Compatible Battery Types	Lead Acid
Protection Features	Overcharge protection, Short circuit protection, Reverse polarity protection

Summary

Important Safety Instructions

Charging Modes Overview

Details the eight available charging modes for the MB3904 charger, including specific battery types and conditions.

12 V NORM Charging Mode

For charging 12-volt Flooded, Gel, and Maintenance-Free batteries.

12 V NORM COLD;AGM Charging Mode

For 12-volt batteries in cold temperatures or AGM batteries.

12 V SMALL Charging Mode

For charging smaller 12-volt Flooded, Gel, and Maintenance-Free batteries.

6 V NORM Charging Mode

For charging 6-volt Flooded, Gel, and Maintenance-Free batteries.

6 V COLD;AGM Charging Mode

For charging 6-volt batteries in cold temperatures or AGM batteries.

12.8 V LITHIUM Charging Mode

For charging 12.8-volt lithium iron phosphate batteries.

12 V RECOVER Charging Mode

For recovering and repairing old, idle, or damaged Lead Acid batteries.

Product Specifications

Preparing to Charge

Connecting to Battery

Charging Process and LED Display

Starting the Charging Process

Step-by-step guide to initiate the battery charging process after connecting the charger.

LED Display Indicators

Explanation of the State-of-Charge (SOC) LED indicators and their meanings.

Error Diagnostics

Warnings