1s Li-Ion 5A 3.7V Protection board is a circuit board designed to protect a single cell Lithium-ion battery with a nominal voltage of 3.7V and a maximum current output of 5A.
The board typically contains a protection IC (integrated circuit) which monitors the battery voltage and current, and prevents overcharging, over-discharging, and over-current conditions that could damage the battery or create a safety hazard.
Overall, this 1S 3.7V 5A Li-ion protection board is an important safety feature for any device that uses a single cell Li-ion battery, such as a flashlight, remote control, or portable electronic device.
Model: 1S Li-ion – 3.7V-4.2V
Over-charge Voltage Range: 4.25V ± 0.05V
Over-discharge Voltage Range: 2.45V ± 0.1V
Upper Limit Operating Current: 4A
Upper Limit Instantaneous Current: 5A
Quiescent Current: <30uA
Charging voltage: 4.2V
B+: Battery V+ Positive
B-: Battery V- Negative
P+: Output / Charging V+
P-: Output / Charging V-
Product size: 35 x 4 x 2.2mm
Package included: 1 x Li-ion Battery 1S 5A Protection board
This BMS will require a competent and knowledgeable person with an electronic background and skills to install and operate. As these are sensitive products, we will only accept returns if its un-opened and un-used.
Please double check and triple check your wiring, especially the balance/sense wires are correct. Even temporary incorrect wiring may damage this device.