Operating voltage 1.8V-4.5V, suitable for ternary lithium, lithium iron phosphate, lithium titanate. Features ultra-low internal resistance MOS, a 2 OZ copper thickness circuit board, and a balance current of 0-5.5A. Includes a sleep switch wiring position for ultra-low standby power consumption (<0.1mA) and voltage accuracy of less than 5mV. Recommended for battery capacities of 30-300Ah. Standby mode features undervoltage protection, automatically entering standby when voltage drops below 3.0V. Note: Product appearance and color may vary between batches, which does not affect usage. Accessory Type: Drum Accessories Model Number: Active BMS Balance Board: 5A Active Balancer Chain: Active Balancer Type: Capacitor Active Balancer Battery: Lifepo4 Lithium LTO Battery Active Balancer Type: 10S 11S 12S 13S 14S Color: Black Material: PCB Package Contents: 1 x Lithium Battery Balance Board (Other products are not included.) Note: Light reflection and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3 cm.