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5S 18.5V 30A BMS 18650 Lithium Battery Protection Board Suitable for Drill Tools
$1.7500
In stock
SKU
BAT-03-082
Volume discounts:
- +50 4 % $1.6800
- +100 6 % $1.6400
- +300 9 % $1.6000
- +500 10 % $1.5700
- +1000 13 % $1.5300
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5S 18.5V 20A BMS 18650 Lithium Battery Protection Board Suitable for Drill Tools Previous 
The 5S 18.5V 30A BMS 18650 Lithium Battery Protection Board, model LC55DY-3550, is a robust and reliable module designed for use in drill tools and other power applications. This board provides comprehensive protection features, including short circuit and overcharge protection, ensuring the safety and reliability of your battery pack. With a high-accuracy voltage detection circuit and durable construction, it supports continuous discharge currents of up to 30A and offers over-current protection up to 60A. Its compact and lightweight design makes it easy to integrate into various devices.
Specifications of 5S 18.5V 30A BMS 18650 Lithium Battery Protection Board
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Model: LC55DY-3550
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Operation Voltage: 21V
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Operation Current:
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Continuous Discharge Current: 30A
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Over-current Protection: 50/55/60A
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Dimensions: 90x62mm
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Over-current Protection Delay: 20/25/30mS
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Single Section Power Consumption:
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Working: 30uA
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Standby: 3uA
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Overload Detection Voltage: 4.18-4.22V
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Overload Recovery Voltage: 4.05-4.15V
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Overload Detection Delay: 0.5/1.0/2.0S
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Over-discharge Detection Voltage: 2.75-2.85V
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Discharge Recovery Voltage: 2.90-3.20V
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Discharge Detection Delay: 0.5-2.0S
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Short Circuit Protection: Yes
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Short Circuit Protection Delay: 200/500/600uS
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Internal Resistance: 5mΩ (resistor B to P)
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Maximum Continuous Current Temperature Rise (20A): 25℃
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Operating Environment:
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Humidity: ≥98% (long term stability under humidity)
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Temperature: -30℃ to 80℃ (long-term stability at lower temperature range)
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| Cell Count | 5 |
|---|---|
| Nominal Voltage (V) | 18.5V |
| Max Current (A) | 30A |
| Protection | Short circuit,Overcharge,Over-discharge,Over-current |
| Board Dimensions (mm) | 90x62 |
| Application | Cordless drills,High-power tools,Electronics requiring precise battery protection,DIY projects,Small energy storage systems |
| Operating Temp (°C) | -30 to 80 °C |
| Internal Resistance | 5mΩ (resistor B to P) |
| Over-discharge Detection Voltage (per Cell) | 2.75-2.85V |
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