18650 power bank module 3.7V to 5v 2A
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Description: The 18650 power bank module converts 3.7V battery power to a stable 5V output capable of delivering up to 2A current. It is designed for creating portable power banks or charging modules using one or more 18650 lithium-ion batteries. This module ensures efficient power conversion with built-in protection features, making it ideal for charging USB devices such as smartphones, tablets, and other gadgets.
Key Features:
- Converts 3.7V to 5V
- Output Current: Up to 2A
- Supports single or multiple 18650 lithium-ion batteries
- Built-in protection circuitry (overcharge, over-discharge, over-current, short circuit)
- Compact and portable design
- Input Voltage: 3.7V (from 1 to 4 series 18650 lithium-ion batteries)
- Output Voltage: 5V DC
- Output Current: Up to 2A
- Efficiency: Up to 90%
- Charging Indicator: LED indicator
- USB Output: Standard USB Type-A port
- Protection: Overcharge, over-discharge, over-current, short circuit protection
- Dimensions: Compact module size for easy integration
- DIY power banks
- Portable USB chargers
- Mobile devices charging modules
- Emergency power supplies
- Electronic projects requiring portable power
Technical Specifications:
- Logic Family: CMOS
- Number of Channels: 3
- Switch Configuration: Single-Pole Double-Throw (SPDT)
- Supply Voltage Range: 3V to 15V
- “ON” Resistance (R_ON): 125Ω typical at V_DD = 10V
- “OFF” Leakage Current (I_OFF): ±100pA typical at V_DD = 10V
- Control Input Voltage (V_IH): 0.7 V_DD min, 0.3 V_DD max
- Maximum Operating Frequency: 40 MHz at V_DD = 10V
Applications:
- Signal routing and switching
- Analog and digital multiplexing
- Audio and video signal processing
- Data acquisition systems
- Test equipment