This 14S 40A Battery Management System (BMS) is designed for 51.8V 18650 Li-ion battery packs, providing essential protection features for high-power applications. Suitable for energy storage systems such as 12V 450W setups and solar energy storage, this BMS ensures the longevity and safety of the battery pack with overcurrent, overcharge, and short circuit protection.

Key Features:

• Supports 14-series 18650 Li-ion battery packs
• Continuous current limit of 40A, with a peak current limit of 160A
• Overcharge, overdischarge, and short circuit protection
• Balancing feature to maintain cell voltage uniformity
• Wide working temperature range from -30℃ to 80℃

Technical Specifications:

• Balance voltage: 4.19V ± 0.25V
• Long-term continuous overcurrent limit: 40A
• Instantaneous current limit: 160A
• Short circuit protection: load short circuit
• Working temperature: -30℃~80℃
• Dimensions: 72mm x 55mm