[Balance function]Our battery protection board has balance function which would ensure each battery cell being fully charged at same time.[High performance]This Li-on battery protection board supports overcharge protection, over-discharge protection and short circuit protection.[Separate design]The charging connector and discharging connector of this BMS protection board are separated, continuous discharging current is 20A.[Widely Application]The 48V protection board is for 13 series cell Li-ion batteries, it can be used for ternary batteries, manganese acid batteries and cobalt acid batteries.[Great for 13S Battery Protection]With stable various charging and discharging protective functions, the lithium battery protection board is great for 13S battery protection.Material:PC+metalcolour:BluePackage Contents:1 x Protection Board1 x CableOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.