Features Fine Workmanship: Use Current, Stable, Ultra Low Internal Resistance Mos And 2 Oz Copper Thickness Pcb. Suitable Battery: Advised to Use Batteries with A Capacity Of 60 to 300ah, And The Static Current Is 12 Milliamperes. Under Voltage Sleep Protection: The Board Will Immediately Cease Going into Sleep Mode If The Voltage Is Lower Than 3.0v. Working Current: Balance Current Ranges from 0‑5a, The Lesser The Current The Better The Balance, And The Current in Sleep Mode Is Less Than 0.1ma. Working Voltage: The Working Voltage Ranges from 1.8v to 4.5v, with Good Efficiency And Balance Voltage Accuracy of within 5mv. Specification: Item Type: Lithium Battery Balance Board Mode: JW5 7S Material: PCB Working Voltage 1.8V-4.5V Suitable for ternary lithium, Lithium iron phosphate, lithium titanate, Li ion for LiFePo4 LTO Battery Type: NCM,LFP, LTO Only available for lithium polymer and lithium iron phosphate battery battery pack versions LTO is lithium 2 ti 3 LPO is lithium ion lithium LFP is for LiFePo4 Current: 5A Battery Panel Size: Approx. 80 x 69.5 x 16mm / 3.15 x 2.74 x 0.63in  Package List: 1 x Lithium Battery Balance Board 1 x 8pin Cable  Note: Please allow 1 to 2in error due to manual measurement. Thanks for your understanding. Package List 1 x Lithium Battery Balance Board 1 x 8pin Cable