1. 7 Series 29.4V Li-Ion Battery Protection Board (With Equalization)2. Protection Board With Stable Various Charge And Discharge Protection Functions, Such As Precise Overcharge Protection, Overdischarge Protection, Overcurrent Protection And Short Circuit Protection.3. The Battery Cell Hardware Is Balanced To Properly Balance The Current And Reasonably Balance The Heat Generation Without Affecting The Performance Of The Battery Pack.4. The Protection Board Has Aluminum Sheet, Which Can Strengthen The Heat Dissipation Of Mos Tube And Prolong The Service Life Of MOS Tube.5. Low Static Power Consumption, The Protection Board Can Save Energy.Model: BED-7S--T20Upper Limit Working Current: 15AUpper Limit Instantaneous Current: 20AOvercharge Voltage Range: 4.250.05VOverdischarge Voltage Range: 2.5v0.05VCharging Voltage: 29.4VQuiescent Current: Less Than 30uAShort Circuit Protection: Can Be Protected, Delay Self-RecoveryColour:Titanium + SilverMaterial:PCBSize: 60 x 40 x 3.6mmPackage Contents:1 x Lithium Battery Protection Board1 x Cable(random colors, 't accept the specified color)Only the above package content, other products are not included.Note: Light reflection 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.