Feature: 1. Suitable for 16S 60V lithium battery (16S 3.7V li-ion cell). 2. Provides protection against over-current, overvoltage, under-voltage, and short circuit. Includes voltage and current detection functions. 3. Peripheral protection uses aluminum profile heat sink for anti-vibration, impact resistance, improved heat dissipation, and structural strength. 4. Main control IC is a highly integrated battery protection chip with reliable and stable performance, low self-consumption, and ESD protection. 5. Includes broken wire protection. Model Number: 16S-60V-40A Type: Lithium battery protection circuit Nominal Voltage: 60V Nominal Capacity Compatibility: 20-80Ah battery Input Charging Voltage: 68V ± 0.4V Input Charging Current: 40A Output Discharging Current: 40A Over-Current Discharging Protection: 120A / 150A Balance Current: 40mA Balance Voltage: 4.25V ± 0.02V Over-Charge Protection Voltage: 4.25V ± 0.025V Over-Charge Protection Voltage Release: 4.15V ± 0.05V Over-Charge Protection Delay Time: 1 second Over-Discharge Protection Voltage: 2.70V ± 0.05V Over-Discharge Protection Voltage Release: 3.0V ± 0.1V Short Circuit Protection Release: Disconnect load Impedance: 20mΩ Operating Temperature: -40°C to 85°C Number in Series: 16S Dimensions: 120 x 60 x 10mm or 130 x 65 x 10mm Application: Compatible with 16S 60V li-ion batteries; suitable for assembled battery packs, electric bicycles, electric scooters, motorcycles, electric boats, solar energy systems, and other applications. 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 in image Package Contents: 1 x Battery Protection Board (Note: Appearance may vary slightly due to different production batches, but functionality remains unchanged) Note: Light reflection and differences in display screens may cause slight variations in color between the product image and actual item. Measurement tolerance: ±1-3cm.