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MH-CD42 5V2A Charging and Discharging Integrated Module
$0.6200
In stock
SKU
BAT-02-152
Volume discounts:
- +50 3 % $0.6000
- +100 6 % $0.5800
- +300 8 % $0.5700
- +500 10 % $0.5600
- +1000 11 % $0.5500
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12-24V Battery Voltage Indicator with USB Output- 1S/2S/3S Previous 
MH-CD42 5V 2A Charging and Discharging Module is a lithium battery protection board for 3.7V/4.2V lithium batteries. It provides charging and discharging protection while supporting safe power delivery from the battery. The module includes four LED indicators for battery power status. It supports simultaneous charging and discharging and includes a key on/off function. MH-CD42 is designed for charging and discharging control with automatic standby behavior and adaptive charging current regulation.
Features of MH-CD42 5V 2A Charging and Discharging Module
- Charging and discharging protection
- Supports 3.7V/4.2V lithium batteries
- Four LED power indicators
- Key on/off control
- Simultaneous charging and discharging
- Automatic standby mode
- Adaptive charging current regulation
Specifications of MH-CD42 5V 2A Charging and Discharging Module
- Input voltage: DC 4.65V - 5.5V
- Overcharge protection voltage: 4.2V ± 1%
- Over discharge protection voltage: 3.0V ± 1%
- Charging current: 0 - 2.1A
- Discharge current: 0 - 2.4A
- Input protection: over current, over voltage, short circuit protection
- Output protection: over voltage, overcharge, over discharge, over current protection
- Operating temperature range: 20℃ to +85℃
- Product size: 25x16 mm
- Standby current: less than 100µA
- Load current threshold for automatic standby: less than 50 mA
- Short press duration: longer than 50 ms and less than 2 s
- Double-press interval: within 1 s
How to Use MH-CD42 5V 2A Charging and Discharging Module
- Connect the lithium battery within the supported 3.7V/4.2V range.
- Apply DC 4.65V - 5.5V input power.
- Use the key to turn the power indicator and boost output on or off.
- Use a short press longer than 50 ms and less than 2 s for normal switching.
- Press the key twice within 1 s to turn off the boost output, power display, and lighting LED.
More Info
- Four LED indicators show the current power level.
- Less than 50 ms key action has no response.
- The module enters automatic standby when load current is less than 50 mA.
| Compatible With | 3.7V/4.2V Lithium Batteries |
|---|---|
| Function | Power Bank |
| Supported Battery Type | Lithium |
| Overcharge Detection Voltage (per Cell) | 4.2V ± 1% |
| Over-discharge Detection Voltage (per Cell) | 3.0V ± 1% |
| Cell Count | 1 |
| Input Voltage (V) | DC 4.65V - 5.5V |
| Output Voltage (V) | 5V |
| Output Current (A) | 2A |
| Max Charging Current | 2.1A |
| Protection | Overcurrent protection,Overvoltage protection,Short circuit protection,Overcharge protection,Over discharge protection |
| Display Type | LED |
| Indicator LEDs | 4 LED indicators |
| Dimensions (mm) | 25x16 mm |
| Operating Temp (°C) | 20 to 85 |
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