1. 7 Series 29.4V -Ion Battery Protection Board (With Equalization) 2. Protection Board With Stable 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--T20 Upper Limit Working Current: 15A Upper Limit Instantaneous Current: 20A Overcharge Voltage Range: 4.250.05V Overdischarge Voltage Range: 2.5v0.05V Charging Voltage: 29.4V Quiescent Current: Less Than 30uA Short Circuit Protection: Can Be Protected, Delay Self-Recovery Colour:Titanium + Silver Material:PCB Size: 60 x 40 x 3.6mm Package Contents: 1 x Lithium Battery Protection Board 1 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.