2pcs Circuit Boost Board 134N3P Charge Discharge Module DIY USB Power Bank 4._PP

Description

Features:
Material: ABS
Input voltage: 3.7v to 5.5v
Charging current: 1A (max.)
Output current: 1A (max.)
Output voltage: 5V
Battery charge cut-off voltage: 4.2v±1%
Battery discharge cut-off voltage: 2.9v±1%
Discharge efficiency: 85% (input 3.7V output 5V / 1A)
Charging: The red light will flash
Fully charged: Steady red light
Standby current: 8uA
Product Size: 2.3*1.8*1cm
Packing list:
2pcs X boost module