2S 3A 7.4V Cell 18650 Li-ion Lithium Battery Charging BMS PCB Board with Protection Charger Module

Upgrade your DIY battery projects with the reliable and compact 2S 3A 7.4V Cell 18650 Li-ion Lithium Battery Charging PCB Board with Protection Charger Module. This high-performance BMS module ensures your lithium-ion batteries are safe, efficiently charged, and protected from common issues such as overcharging, over-discharging, and short circuits. Perfect for makers, engineers, and hobbyists, it offers a compact and easy-to-install solution for all your portable electronics and battery-powered projects.

Key Features of 2S 3A 7.4V Li-ion BMS PCB Module

• Compact and smart design for DIY battery projects
• Short Circuit Protection to prevent damage
• Overcharge Protection to extend battery life
• Over-Discharge Protection for safe battery usage
• Overcurrent Protection to prevent overheating
• Easy to install and convenient for all portable projects
• Supports 2S 18650 Li-ion battery packs
• Maximum Working Current: 3A, Transient Current: 5A
• Operating Temperature: -40°C to 50°C
• Internal Resistance: Less than 45mΩ for optimal efficiency

Pin Descriptions of BMS Module

• B+ B-: The interface of battery core
• P+ P-: The connector of the battery board
• BM: The connection point between the batteries
• B+: Battery V+ Positive
• B-: Battery V- Negative
• P+: Output / Charging V+
• P-: Output / Charging V-

Important Notes

Note: The protection board cannot be used for lithium iron phosphate batteries, hernia lamps, hand drill battery packs, electric fish battery packs, electric bicycle battery packs, buggy batteries, 775 (4A) above the motor, or 1W fisheye LED lamps.

Key Features

• Over-Discharge Detection Voltage: 2.3-3.0V ± 0.05V
• Maximum Working Current: 3A
• Transient Current: 5A
• Operating Temperature: -40 to 50°C
• Internal Resistance: Less than 45mΩ

Technical Specifications

• Number of Cells: 2
• Working Current: 3A
• Instantaneous Peak Current: 5A
• Over Charge Voltage Range: 4.25-4.35V ± 0.05V
• Over Discharge Voltage Range: 2.5-3.0V ± 0.05V
• Upper Instantaneous Current Limit: 8A
• Current Consumption: less than 30µA
• Internal Resistance: less than 45 MΩ
• Service Life: more than 50,000 hours
• Operating Temperature: -40 to +50°C
• Storage Conditions: -40 to +80°C
• Short Circuit Protection: protection, self-healing delay

Package Information

• Package Weight: 0.015kg (0.03lb.)
• Package Size: 5cm x 3cm x 2cm (1.97in x 1.18in x 0.79in)

Why Choose This BMS PCB Module?

This 2S 3A 7.4V Li-ion BMS PCB module is perfect for DIY enthusiasts, makers, and professionals looking for reliable battery protection. With multiple safeguards, compact design, and easy installation, it ensures your lithium-ion batteries stay safe and perform optimally. Upgrade your battery projects today with this advanced BMS PCB module!