Can be used for 4S-8S 12V-24V battery pack. Can be applied to battery pack based on requirements. Customizable PCM available in different sizes and structures. Bottom board features an aluminum substrate for efficient heat dissipation. Protection board constructed with high-quality, low internal resistance MOS components and high-precision IC for stable and long-term battery operation. Copper thickness: 1oz. Application: Suitable for small energy storage systems, outdoor mobile power supplies, lithium battery replacement for lead-acid batteries, fishing boat batteries, inverters, UPS, etc. Type: Electronic protection board. PCBA service: SMD, SMT, DIP component assembly. Common version: Shared port for charge and discharge. Customization available: PCBs for 3S to 24S lithium batteries with various current ratings. Model: 8S-80A for LiFePO4. Color: Silver. Material: PC + metal. Package contents: 1 x Protection board. Only the above items included; other products not included. Note: Lighting effects and display differences may cause slight variations in color between the image and actual item. Measurement error allowed: +/- 1-3cm.