16430 17670 18650 1 Cell Lithium Battery Universal Dual MOS Protection Board Lithium Battery Protection BoardSpecification size: 16MM (black hard rubber ring with 16MM)Protection board overcharge and over-discharge voltage 2.5V-4.2V protection board maximum current 5A-8AProduct Price: 10 set / lotFeatures:(1) Built-in high-precision voltage detection circuit(2) High withstand voltage devices are used for the terminals connected to the charger(3) Built-in three-stage overcurrent detection circuit (overcurrent 1, overcurrent 2, load short circuit)(4) The charge and discharge of the battery can be controlled through the MOS tube(5) Wide Operating Temperature Range −40°C ~ +50°C(6) Low current consumption.use:1 string of nickel-cobalt-manganese-lithium, lithium-cobalt-acid, lithium-manganese-ion rechargeable batteries.One string lithium polymer rechargeable battery.Welding point description:· B+ connects to the positive battery.· B- connect the negative battery.· P+ charge/discharge terminal positive (common for charge/discharge terminals).• P-connector/discharger negative electrode (common for charge/discharge).· The back of the board (steel sheet) is P-Note: B+ and P+ share a single pointFeatures: Available Spot Welder or Electric Iron Solder