Product Name: Smart BMS 40A for Lithium Batteries 15s-30s with Canbus/RS232/RS485/Bluetooth Model NO.: PCM-L30S40-E43 Dimension: L198*W93*T15mm Apply to: 15s to 30s Lithium Ion Batteries Max.Cont. Discharge Current: 40A Charge&Discharge: Share a Same Port Communications Type: Canbus/RS232/RS485/Bluetooth Delivery Time: 10-15 Working Days ODM/OEM Services: Yes Trademark: SmarTEC Transport Package: Antistatic Bag Specification: For Li-ion/LiFePO4 battery Origin: Shenzhen Product Description Product Features:1. Have the Basic Functions of a normal battery protection circuit:2.More Intelligent functions, More convienent to monitor the batteries :Howto produce? Certificates: who we are? A great Team to support you high quality products, fast delivery time, good after-sales services!