can be used for 4S-8S 12V-24V battery pack. According to your requirements, it can be applied to battery pack. According to your requirements, we can develop PCM of different sizes and structures. This bottom board is an aluminum substrate which can dissipate heat faster. The protection board is made of high quality completely new low internal resistance MOS (such as Infineon MOS) and high precision IC to keep your battery more stable and long-term operating. Copper Thickness: 1oz Application: Suitable for small energy storage such as outdoor mobile power supply &Replacing lead acid with lithium battery &Fishing boat batteries, inverter, ups etc. Type: Listen Listen Electronic Board PCBA service: SMD SMT DIP Component Assembly common Version : Same port for charge/discharge Customize : Any PCB from 3S to 24S lithium batteries with different current type:A: 7S-80A-for li-ion/B:7S-80A-for Lifepo4 /C: 8S-80A-for Lifepo4/D: 6S-80A-for li-ion/E:6S-80A-for Lifepo4 Colour:Silver Material:PC+metal Package Contents: 1 x protection board 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.