Key Features
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Supports 5S (18.5V) 18650 lithium-ion batteries 
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Dual function: battery protection and charging management 
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Overcharge, over-discharge, short circuit, and overcurrent protection 
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Compact, slim straight module design for easy integration 
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Reliable 15A continuous discharge and charge support 
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No need for a special lithium battery charger 
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Quick overcharge protection response (0.5 seconds) 
Specifications
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Battery Type: 5S 18650 Lithium-Ion (3.7V per cell) 
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Total Nominal Voltage: 18.5V 
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Charging Voltage: 21V 
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Max Continuous Discharge Current: 15A 
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Max Continuous Charging Current: 15A 
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Overcharge Protection Delay: 0.5s 
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Module Dimensions: 98.5 x 12 x 3.7mm 
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Protections Included: - 
Overcharge 
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Over-discharge 
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Overcurrent 
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Short circuit 
 
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Applications
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Custom 5S 18650 lithium-ion battery packs 
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DIY energy storage systems 
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Robotics & RC devices 
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Solar-powered storage units 
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E-bike and portable device battery systems 
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Backup power packs