4pcs 5V Boost Converter Step-Up Power Module Lithium Battery Charging Protection Board LED Display For DIY Charger 134N3P, Interface: Micro USB

4pcs 5V Boost Converter Step-Up Power Module is designed for DIY charger applications. It features an LED display to indicate charging status.

• Product type: Sensor Module
• Compatibility: Lithium batteries
• Key feature: LED display for charging status
• Input voltage: 3.7-5.5V
• Charging current: 1A
• Output current: 1A
• Output voltage: 5V
• BAT discharge termination voltage: 2.9V
• Preset 4.2V charging voltage, accuracy about 1%
• Discharge efficiency: 85% (input 3.7V, output 5V/1A)
• 8uA standby current
• Integrated charge management and discharge management
• Intelligent temperature control and over-temperature protection
• Integrated output over-voltage/short circuit/heavy load/over-charging/over-discharging protection
• Support trickle mode and zero voltage charging
• Available batteries: 18650 batteries, cell phone batteries, tablet batteries, MP3 batteries, 3.1V-4.2V polymer lithium batteries
• Unusable batteries: dry cell batteries, storage batteries, 1.2V rechargeable batteries, nickel-metal hydride batteries, 3.2V lithium iron polymer lithium batteries
• Size: about 20 x 18 x 1mm