Feature Highlights: 1. Smart Lithium Battery Management for Fast & Safe Charging – Uses an intelligent lithium cell management IC to deliver quick and secure charging. 2. Balanced Charging to Extend Battery Life – Balances the voltage of each cell in the battery pack, helping your batteries last longer. 3. Multi-Protection for Safe Operation – Built-in safeguards against overcharge, over-discharge, short circuits, and overheating. 4. Thick Aluminum Cooling Fin for Better Heat Dissipation – Equipped with a reinforced aluminum fin to keep temperatures low during use. 5. Rigorously Tested for Reliable Quality – Each board undergoes load and aging tests to ensure durability and stable performance. Product Details: This 7S 24V 100A lithium battery protection board is designed for 18650 battery packs. It features intelligent charging control, balanced cell charging, and multiple safety protections to prevent overcharging, over-discharging, short circuits, and overheating. The added aluminum cooling fin helps disperse heat quickly, while thorough testing guarantees long-term reliability. Easy to install and ideal for DIY battery projects, energy storage systems, and power applications. Specifications: - Discharge Current: 100A - Overcharge Protection: 4.25±0.025V - Over-discharge Protection: 2.75±0.1V - Balance Voltage: 4.15±0.025V - Overcurrent Protection: 300±50A / 450±50A / 600±60A - Short Circuit Protection: Triggered by external short circuit - Operating Temperature: -30°C to +80°C - Size: 132 x 80 x 10mm - Material: ABS + Metal - Color: Blue Package Includes: 5 x Battery Charging Protection Boards Note: Slight color variations may occur due to lighting or screen settings. Measurements allow a tolerance of +/- 1–3cm. Other accessories are not included unless stated above.