When the lithium-ion battery voltage is relatively low, if the direct use of constant voltage charging, the voltage difference due to the larger, leading the charge current is too large, resulting in damage to the battery, so when you want to start using the constant battery current charging, when the charge to a certain extent automatically switches back when the constant voltage charging.
Parameter:
Module Properties:Non-isolated step-down module
Rectification:Non-Synchronous Rectification
Input Voltage:DC 5V-30V
Output Voltage:DC 0.8V-29V
Output Current:Max 5A (over 3A to enhance heat dissipation)
Conversion efficiency:95%
Switching frequency:300KHz
Output Ripple:50mV (max) 20M Bandwidth
Load Regulation:+/-0.5%
Voltage Regulation:+/-2.5%
Operating Temperature:-40? to +85?
Size:51*26.3*14mm (L*W*H)
Module Name:Current and voltage table
Measurement Accuracy:0.1%
Refresh rate:About 200ms time
Display:Dual 4bits 0.28" digital tube
Current Range:0A-5A
Voltage range:5V-30V
Operating Current:Less than 15mA
Display Color:Red
Storage Temperature:-10? to +65?
Input impedance:50 milliohms
External dimensions:51*26.3*10mm
Rechargeable lithium-ion battery
Note:
Module above indicated IN-(input negative), IN+(positive input), OUT-(negative output), OUT+(positive output) must be connected each to the right one, otherwise may cause damage to the module.
