Clear Soldering Joint Connections：This protection board is designed for easy installation with clearly labeled soldering points. B+ connects to the positive terminal of the battery, B- to the negative terminal, MB to the connection point between Battery 1 and Battery 2, and P+ and P- are shared with the charging/discharging terminals， This makes installation straightforward and minimizes the risk of incorrect connections.
Wide Compatibility with 3.7V Lithium Battery Equipment：This protection board is compatible with various 3.7V lithium battery-powered devices；It is important to match the battery voltage, capacity, and internal resistance when using this protection board to ensure optimal performance and safety for different applications
Usage Restrictions and Precautions：Please note that this protection board is not compatible with LFP (Lithium Iron Phosphate) batteries. When assembling battery packs, ensure that the batteries' voltage, capacity, and internal resistance are matched
Advanced Protection Features：This protection board includes essential safety features such as overcharge protection, over-discharge protection, short circuit protection, and overcurrent protection；These features safeguard your battery and devices, preventing potential damage caused by excessive charging or discharging.
Versatile Applications Across Multiple Devices：This protection board is suitable for a wide range of products within the power range, including massager battery packs, LED light backup power supplies, 12V electronic products, solar streetlight battery packs, and monitoring backup power supplies.
Description
Attributes of lithium battery protection board:
Size: 41×8×2.2mm/1.614 in ×0.315 in × 0.087 in
Charging voltage: 8.4V-9V
Overcharge voltage range: 4.25-4.35V±0.05V
Over-discharge voltage range: 2.5-3.0V±0.05V
Maximum operating current: 8A
Maximum instantaneous current: 16A
Quiescent current: less than 10uA
Operating temperature: -40---+50°C
Storage conditions: -40-+80°C
Active life: more than 50000 hours
Internal resistance: less than 300mΩ
Others: over-discharge protection, over-current protection, over-charge protection, short-circuit protection
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