Power Bank Charging and Boosting Unit - 5V 3.1A Output

This device is engineered to efficiently charge and deliver power in applications for DIY portable power banks. With a boost converter circuit and a maximum output power of 3.1 Amps, the device supports fast charging and reliable power output from 3.7V lithium battery cells.

Features

• Operating Voltage: ≤36 Volts
• Input Voltage Range: 5 Volts – 5.5 Volts
• Boost Output Voltage: 5 Volts ~ 5.15 Volts (with line loss compensation)
• Boost Output Current: 2A (typical)
• Boost Output Voltage Ripple: 100 mV
• Boost Conversion Efficiency: Up to 92.5% (at 3.6V input, 5V 2A output)

Battery Charging Parameters

• Charging Cut-off Voltage: (4.2 Volts / 4.35 Volts) ± 0.5%
• Charging Current: 2.4 Amps ± 5%
• Quiescent Battery Current: <30µA
• Battery Support: Supports 3.7V lithium batteries (battery not included)

Power Mode

• Installation: Wired/Electrical room
• Battery Features: Unit only - No built-in battery

Applications

• DIY Power Banks
• Portable Device Charging Circuits
• Portable Electronic Devices
• Integrated Power Supply Units

Package Includes

• 1 × Power Bank Charging and Boosting Unit (5V 3.1Amp) - No soldering required