1S 2S 3S 4S Li-ion Lithium Battery 18650 Charger Overcharge Protection Lipo Cell Module Short Circuit Protection for Drill Motor

Feature:
1. High-Precision Voltage Detection Circuit: The li-ion lithium battery 18650 charger features a high-precision voltage detection circuit, ensuring accurate and reliable charging for your Li-ion lithium batteries. It precisely monitors the battery’s voltage levels, maximizing performance and safety during the charging process.
2. High-Voltage Terminal Design: The PCB BMS protection board’s terminals are equipped with high-voltage devices, allowing for efficient and effective charging. This design ensures a secure connection between the charger and the batteries, providing stable and consistent charging performance.
3. Overcurrent Detection Circuit: With its built-in triple-level overcurrent detection circuit (overcurrent 1, overcurrent 2, and short-circuit protection), this lipo cell module offers multiple layers of protection against excessive currents and short circuits. It safeguards your batteries and prevents potential damage or hazards.
4. MOSFET Control for Battery: The 18650 charger protection module utilizes MOSFET (Metal-Oxide-Semiconductor Field-Effect Transistor) control to manage the charging and discharging process of the batteries. This advanced technology ensures efficient power distribution and protects the batteries from overcharging or discharging.
5. Multiple Protection Mechanisms: This lithium battery 18650 charger board comes with multiple built-in protection mechanisms, including overcharge protection, over-discharge protection, and short-circuit protection. These safety features prioritize the well-being of your batteries and provide peace of mind during the charging process. The charger is available in different configurations (1/2/3/4/series) to accommodate various user requirements.

Specification:
Origin: Mainland China
Type: Module
Condition: New
1S 3.7V 3A
Range:
Overcharge voltage: 4.25 ± 0.05V
Overcharge release voltage: 4.23 ± 0.05V
Over-discharge voltage: 2.54 ± 0.1V
Maximum Continuous Charge Current: 2A
Maximum continuous discharge current: 2A
Over-current protection: 3A
Size: 30x4x2mm/1.18×0.16×0.08inch

2S 7.4V 3A
Description:
Short circuit protection overcharge protection
Over-discharge protection
Overcurrent protection
Overcharge detection voltage: 4.25-4.35V ± 0.05V
Over-discharge detection voltage: 2.3-3.0V ± 0.05V
Maximum operating current: 3A
Transient current: 5A
Operating temperature: -40~50 degrees
Internal resistance: less than 45mΩ
B+ B-: battery cell connector
P+ P-: battery board connector
MB: Connection point between batteries
B+: Battery V+ positive terminal
B-: Battery V-negative
P+: Output/charging V+
P-: output/charge V-
Size: 36x4x2m/1.42×0.16×0.08inch

3S 12.6V 20A
Features:
Module name: 3S 12.6V lithium-ion lithium battery 18650 charger protection PCB board
Scope of application: for nominal voltage 3.6V 3.7V lithium batteries (including 18650, 26650, lithium polymer batteries)
Charging voltage: 12.6V
Maximum output current: 20A
Maximum output power/charging power: 252W
Precautionary measures:
1. Strictly according to the diagram wiring: 0V/4.2V/8.4V/12.6V, otherwise it will cause chip damage.
2.After connecting, you need to charge and activate first before output.
Caution:
Please do not mix good batteries with bad batteries.
The closer the internal resistance of the 3 battery capacities, the better.
Please buyers understand the expertise of the module before purchase
Size: 50x15x3mm/1.97×0.59×0.12inch

4S 30A 16.8V
Module: 4 lithium-ion lithium battery protection plate
Overcharge detection voltage: 4.25 ± 0.025V
Overcharge boost voltage: 4.15 ± 0.05V
Over-discharge detection voltage: 2.50 ± 0.08V
Over-discharge boost voltage: 3.00 ± 0.1V
Overcurrent: 20-30A
Working current: 15A (natural cooling 10.A, plus heat sink 15A, maximum instantaneous current 30A)
Unprotection condition automatically restored, no need to activate
Protection measures:
Short circuit protection
Overcharge protection
Over-discharge protection
Over-current protection_
Working temperature: -40℃-85℃
Size: 50x22x3mm/1.97×0.87×0.12inch

Note:
Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.