Minwa Electronics MW3398

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MINWA (CHINA) ELECTRONICS CO., LTD

Page 1 of 2

Minwa (China) Electronics Co., ltd

Minwa Industrial Building, Epoch Park, Buji

Shenzhen, 518112, China

MW3398

Function

This is a versatile charger that can charge, discharge and check rechargeable Ni-Cd and

Ni-MH batteries. There is a built-in lamp to indicate the strength of the battery being

checked. It can be used with a combination of 1-4 pcs of cells of the following type:

Micro AAA, Mignon AA, Baby C, Mono D. It can be used to charge 1-2 pcs of Block

9V batteries.

Technical Specification:

Input Voltage: 230V AC 50Hz

Charge Current: 120mA for AAA, AA, C and D size batteries

13mA for 9V batteries

Operating Instruction:

1) Insert the AC power supply cord into mains.

2) For Charging: Switch the function switch on the unit to “charge” position. The

individual red LED will light up when batteries are inserted into the corresponding

slot to indicate charging is in progress.

3) For Testing: Switch the function switch on the unit to the “test” position. The red

LED in the first slot (closest to the function switch) will turn off. Insert the battery

to be tested into the first slot. The lamp will indicate the strength of the battery.

Batteries at other slots will continue to be charged.

4) For Discharging: Switch the function switch on the unit to the “discharge” position.

(Please note that this charger can not discharge 9V batteries) All the red LEDs

(with the exception for the ones for the 9V batteries) will go off to indicate

batteries are in discharge mode.

5) Please note that this is not an automatic charger. The charger does not switch to

charge mode automatically after discharge. To check if the batteries are fully

discharged, use the “test” feature.

Warning

1) Do not charge non-rechargeable batteries.

2) For indoor use only.

3) If the external flexible cable is damaged, it shall be replaced by the manufacturer or

his service agent or a similar person in order to avoid a hazard.

4) This appliance can be used by children aged from 8 years and above and persons

with reduced physical, sensory or mental capabilities or lack of experience and

knowledge if they have been given supervision or instruction concerning use of the

appliance in a safe way and understand the hazards involved. Children shall not play

with the appliance. Cleaning and user maintenance shall not be made by children

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Summary

Charger Functionality

Technical Specifications

Details input voltage and charge current for different battery types (AAA, AA, C, D, 9V).

Operating Instructions

Step-by-step guide for charging, testing, and discharging Ni-Cd/Ni-MH batteries.

This document describes a versatile battery charger, model MW3398, manufactured by Minwa (China) Electronics Co., Ltd. The device is designed to handle various types of rechargeable batteries, offering charging, discharging, and testing functionalities.

Function Description

The MW3398 is a multi-functional charger capable of working with both Ni-Cd and Ni-MH rechargeable batteries. It features a built-in lamp that indicates the strength of a battery during testing. The charger is designed to accommodate a combination of 1 to 4 cells of different sizes, including Micro AAA, Mignon AA, Baby C, and Mono D. Additionally, it can charge 1 to 2 Block 9V batteries.

Usage Features

To operate the charger, the AC power supply cord must first be inserted into the mains.

Charging: To charge batteries, the function switch on the unit should be set to the "charge" position. When batteries are correctly inserted into their corresponding slots, individual red LEDs will illuminate, signaling that charging is in progress.

Testing: For testing a battery, the function switch needs to be moved to the "test" position. In this mode, the red LED in the first slot (the one closest to the function switch) will turn off. The battery to be tested should then be inserted into this first slot. The integrated lamp will provide an indication of the battery's strength. It's important to note that batteries in other slots will continue to charge while one battery is being tested.

Discharging: To discharge batteries, the function switch should be set to the "discharge" position. During discharge, all red LEDs (except those for the 9V battery slots) will turn off, indicating that the batteries are in discharge mode. A crucial point to remember is that this charger does not support discharging 9V batteries. The charger is not automatic; it does not switch to charge mode automatically after discharge. To determine if batteries are fully discharged, users must utilize the "test" feature.

Maintenance Features

The manual provides important warnings and guidelines for the safe and proper use of the device, which indirectly relate to its maintenance and longevity.

Safety Warnings:

Non-rechargeable batteries must never be charged with this device.
The charger is intended for indoor use only.
If the external flexible cable becomes damaged, it must be replaced by the manufacturer, its service agent, or a similarly qualified person to prevent hazards. Users should not attempt to replace the cable themselves.
The appliance can be used by children aged 8 years and above, as well as individuals with reduced physical, sensory, or mental capabilities, or those lacking experience and knowledge, provided they receive proper supervision or instruction on safe usage and understand the associated hazards.
Children should be prevented from playing with the appliance.
Cleaning and user maintenance of the device should not be performed by children without supervision. This implies that adults are responsible for any necessary cleaning or simple maintenance tasks to ensure the device remains in good working condition and safe for use.

The document does not detail specific cleaning procedures or complex maintenance steps, focusing instead on operational instructions and safety precautions to ensure the device's proper functioning and user safety.