Li-ion / 18650 21V 5-Cells Battery Charger Protection PCB Board (up-to 15-Amps Peak Current)

This Li-ion / 18650 battery protection PCB protect a Li-ion / 18650 batteries. Protection is critical as a Lithium-ion batteries could explode when they are shorted circuit or overcharged, and damaged when they are over discharged.

* Note:  First time usage (no output load) will require a 12V power supply to activate this module.

Features

• Over charging - Disconnect circuit when either battery is over 4.35V
• Over discharging - Disconnect circuit when either battery is lower than 2.7V
• Short curcuit protection - Disconnect when short circuit is detected

Specifications

• Charge voltage: 21V
• Supported Battery type: Four cell 4.2V Lithium-ion battery
• Overcharged voltage protection: 4.35V
• Over-discharged voltage protection: 2.7V
• Maximum Operating Current: 4 – 5A
• Maximum Instantaneous Current: 6 – 7A
• Output Short-circuit protection: YES
• Internal resistance: <45mΩ
• Operating temperature: -20 to 70 C
• Dimension: 72mm x 18mm x 2mm (L x W x H)

Package included

1x Lithium-ion battery protection PCB

Connections

Suggestions

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