Feature: 1. Suitable for 16S 60V lithium battery (16S 3.7V li-ion cell). 2. Provides protection functions including over-current, overvoltage, under-voltage, and short circuit protection. 3. Peripheral protection uses aluminum profile heat sink for anti-vibration, impact resistance, and improved heat dissipation and structural strength. 4. Main control IC is a highly integrated battery protection chip with reliable performance, low self-consumption, and ESD protection. 5. Includes broken wire protection function. Model Number: 16S-60V-40A Type: Lithium battery protection circuit Nominal Voltage: 60V Nominal Capacity Compatibility: 20-80Ah battery Input Charging Voltage: 68±0.4V Input Charging Current: 40A Output Discharging Current: 40A Over-Current Discharging Protection: 120A/150A Balance Current: 40mA Balance Voltage: 4.25±0.02V Over-Charge Protection Voltage: 4.25±0.025V Over-Charge Protection Voltage Release: 4.15±0.05V Over-Charge Protection Voltage Delay Time: 1S Over-Discharge Protection Voltage: 2.70±0.05V Over-Discharge Protection Voltage Release: 3.0±0.1V Short Circuit Protection Release: Disconnect load Impedance: 20mΩ Operating Temperature: -40°C to 85°C Number in Series: 16S Size: 120 x 60 x 10mm / 130 x 65 x 10mm Application: Designed for 16S 60V li-ion batteries; suitable for assembled battery packs used in electric bicycles, electric scooters, motorcycles, electric boats, solar energy systems, etc. Wiring Instructions: Same port for charging and discharging: 40A power cable B-: Connect to the negative terminal of the battery pack P-/C-: Connect to the negative terminal of the charger and load Material: PC + Metal Color: As shown Package Contents: 1 x Battery Protection Board (Due to different product batches, the appearance may vary slightly, which does not affect functionality) Note: Light reflection and display differences may cause slight color variations between the image and the actual item. Measurement error allowed is ±1-3cm.