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Battery protection module 1S 3A 3.7V for 18650 battery
SKU: OKY3399-1
- 3.00 €
-
- Customer price2.85 €-5%
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Minimum order amount 8.00 €
The OKY3399-1 is a compact Battery Management System (BMS) protection module designed for single-cell Li-ion batteries, commonly used with 18650 cells, providing essential protection for safe and efficient operation in DIY portable projects.
General Information
The OKY3399-1 is a small PCB-mounted module offering comprehensive protection for 1S (single-cell) lithium-ion battery configurations.
It is designed to prevent overcharging, over-discharging, overcurrent, and short circuits, thereby extending the lifespan and enhancing the safety of the battery.
Key Features
- Overcharge Protection: Detects when the battery voltage exceeds safe limits during charging and cuts off the charging process to prevent damage.
- Over-Discharge Protection: Prevents the battery from discharging below a safe voltage level, which can cause irreversible damage and reduce battery capacity.
- Overcurrent Protection: Limits the current drawn from the battery to prevent overheating and potential damage to the battery and connected devices.
- Short Circuit Protection: Immediately cuts off the battery connection in the event of a short circuit, preventing fire or explosion hazards.
- Built-in Three-Stage Over-Current Detection Circuit: Offers enhanced protection against over-current conditions.
Applications and Benefits
- DIY Portable Projects: Ideal for use in custom power banks, portable speakers, LED lighting, and other battery-powered projects.
- Battery Protection: Ensures the longevity and safety of lithium-ion batteries by preventing common issues such as overcharging and over-discharging.
- Easy Installation: Simple to integrate into existing circuits with clearly marked connection points (B+, B-, P+, P-).
- Compact Design: Small form factor allows for easy integration into space-constrained applications.
Additional Details
The module utilizes MOS transistors to control battery charging and discharging.
It is designed for use with 3.7V nominal voltage lithium-ion batteries.
The protection module includes connection points for the battery core (B+ and B-) and the connected load (P+ and P-).
General Information
The OKY3399-1 is a small PCB-mounted module offering comprehensive protection for 1S (single-cell) lithium-ion battery configurations.
It is designed to prevent overcharging, over-discharging, overcurrent, and short circuits, thereby extending the lifespan and enhancing the safety of the battery.
Key Features
- Overcharge Protection: Detects when the battery voltage exceeds safe limits during charging and cuts off the charging process to prevent damage.
- Over-Discharge Protection: Prevents the battery from discharging below a safe voltage level, which can cause irreversible damage and reduce battery capacity.
- Overcurrent Protection: Limits the current drawn from the battery to prevent overheating and potential damage to the battery and connected devices.
- Short Circuit Protection: Immediately cuts off the battery connection in the event of a short circuit, preventing fire or explosion hazards.
- Built-in Three-Stage Over-Current Detection Circuit: Offers enhanced protection against over-current conditions.
Applications and Benefits
- DIY Portable Projects: Ideal for use in custom power banks, portable speakers, LED lighting, and other battery-powered projects.
- Battery Protection: Ensures the longevity and safety of lithium-ion batteries by preventing common issues such as overcharging and over-discharging.
- Easy Installation: Simple to integrate into existing circuits with clearly marked connection points (B+, B-, P+, P-).
- Compact Design: Small form factor allows for easy integration into space-constrained applications.
Additional Details
The module utilizes MOS transistors to control battery charging and discharging.
It is designed for use with 3.7V nominal voltage lithium-ion batteries.
The protection module includes connection points for the battery core (B+ and B-) and the connected load (P+ and P-).
Battery Type: Li-Ion
Cells Quantity: 1
Charging Voltage: 4.2...4.5V
Dimensions: 40x5x3mm
Internal Resistance: Less than 45mΩ
Max. Forward Impulse Current: 3A
Maximal continuous Discharging current: 3A
Maximum Continuous Charging/Discharging Current: 2A
Maximum Output Voltage: 4.2V DC
Operating Temperature: -40-50°C
Over-discharge Detection Voltage: 2.54±0.1V
Overcharge Detection Voltage: 4.25±0.05V
Overcharge Release Voltage: 4.23±0.05V
Storage Temperature: -40...80°C
Transient Current: 5A
Weight: 10g
Cells Quantity: 1
Charging Voltage: 4.2...4.5V
Dimensions: 40x5x3mm
Internal Resistance: Less than 45mΩ
Max. Forward Impulse Current: 3A
Maximal continuous Discharging current: 3A
Maximum Continuous Charging/Discharging Current: 2A
Maximum Output Voltage: 4.2V DC
Operating Temperature: -40-50°C
Over-discharge Detection Voltage: 2.54±0.1V
Overcharge Detection Voltage: 4.25±0.05V
Overcharge Release Voltage: 4.23±0.05V
Storage Temperature: -40...80°C
Transient Current: 5A
Weight: 10g
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