Features: 1. Intelligent Lithium Cell Management for Fast & Safe Charging – Equipped with a smart lithium battery management IC to enable rapid and secure charging. 2. Balanced Charging Prolongs Battery Life – Utilizes balance charging technology to harmonize the performance of each cell in the battery pack, extending overall battery lifespan. 3. Multi-Protection Safety System – Integrated protection against overcharge, over-discharge, short circuit, and temperature abnormalities for reliable operation. 4. Enhanced Aluminum Fin for Efficient Heat Dissipation – Features a thickened aluminum cooling fin to ensure quick heat dissipation and stable performance. 5. Rigorous Quality Testing – Subjected to comprehensive load and aging tests to guarantee high durability and consistent quality. Product Details: This 7S 24V 100A lithium battery protection board is designed for 18650 battery packs, providing intelligent management and robust safety functions. It supports balanced charging to maintain cell consistency and includes multiple protection mechanisms to prevent overcharge, over-discharge, short circuits, and overheating. The built‑in aluminum fin promotes effective thermal management, while the compact and durable ABS + metal construction ensures long‑term reliability. Ideal for DIY battery projects, energy storage systems, and various high‑power applications. Specifications: - Discharge Current: 100A - Overcharge Protection: Detection Voltage 4.25±0.025V, Release Voltage 4.15±0.05V - Over‑discharge Protection: Detection Voltage 2.75±0.1V, Release Voltage 3.0±0.1V - Balance Charging: Detection Voltage 4.15±0.025V, Balance Current 42‑55mA - Overcurrent Protection: Detection Voltage 50‑1515mV - Overload Protection: 300±50A / 450±50A / 600±60A - Short‑circuit Protection: Trigger delay 300µs - Temperature Control: Charging ≤55°C, Discharging ≤75°C - Operating Temperature Range: -30°C to +80°C - Self‑consumption: Working 35µA, Dormant 10µA - Dimensions: 132 x 80 x 10 mm - Material: ABS + Metal - Color: Blue Package Includes: 5 x Battery Charging Protection Boards Note: Slight color variations may occur due to lighting and screen differences. Allowable measurement error is ±1‑3 cm. Only the listed items are included; other products are not provided.