Adjustable Step Up 18650 Li-ion Battery Charger & Discharge HW-357 3.7V 9V 5V
The HW-357 module charges and discharges 18650 Li-ion batteries, providing adjustable output voltages (5V or 9V) up to 2A, suitable for powering various devices.
45.00 EGP
In stockSKU 6032679224887
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HW-357 Adjustable Step-Up Module – 18650 Li-ion Battery Charger & Discharge
Features:
- Micro USB Input Terminal With A Female, Can Be Directly Input To Do With The Phone Charger Rechargeable Lithium Battery, And Still Retains The Input Voltage Wiring Pads, Can Be Very Convenient DIY
- It Can Be Used For Voltage 3.6 3.7V, Etc. 18650, Polymer And Other Lithium Battery Charge And Discharge Protection
- It Support Charge Discharge Over Current Protection
- It Supports Simultaneous Charging And Discharging
- Charge Cutoff Voltage: DC 4.2V±1%
- Charging Mode: Linear Charge
- Working Environment Temperature: -20-85 Degrees Celsius
- For Example: VIN+ Port Input 5V Solar Panels, BAT+ Port Can Output 4.2V To Charge 3.7V 18650
- Battery Note: The OUT+ Port Can Output An Adjustable Voltage
Specifications:
- Input Voltage: 4.5-8V
- Output Voltage: Continuous Adjustable 4.3-27V (Counter Clockwise To Boost Voltage)
- Charging Voltage: 4.2V
- Charging Current: Up To 1A
- Discharge Current: The Maximum 2A
- Output Reference Maximum Current: 5V 1.4A, 9V 0.8A, 12V 0.6A
- Quiescent Current: About 0.5 MA
- Overshoot Protection: Yes
- Over Discharge Protection: None (Also Can Be Said Yes, Because 2V Cut-Off Boost But Does Not Block The Output, Output Has 2V)
- Deadline Boost:: 2V, Depending On Whether Added The Additional Protection Board
- Size: 3.3 X 2.3 X 0.5cm
- Connecting Example, VIN + Connect 5V Solar Panel, BAT + Terminal Can Output 4.2V To Charging 3.7V 18650 Battery, OUT + Side Can Output An Adjustable Voltage
- Can Be Used For Multimeter, Modified Lithium Battery Charging
Connections:
- VIN+ Connect 5V Solar Panel
- BAT+ Terminal Can Output 4.2V To Charging 3.7V 18650 Battery
- OUT+ Side Can Output An Adjustable Voltage
Applications:
- Portable Power Banks: Provides a compact solution for creating custom power banks using 18650 Li-ion batteries.
- Battery-Powered Projects: Supplies adjustable voltage to various electronics projects requiring portable power.
- DIY Electronics: Ideal for hobbyists and makers building battery-operated devices with specific voltage needs.














