Feature: 1. The use of high-quality PCB materials, quality assurance, greatly improve the service life of the product 4. The product supports serial communication standard Modbus protocol, supports firmware upgrade, supports MPPT solar charging, and has comprehensive functions 3. Built-in buzzer, key prompt, alarm prompt, use more safe and 2. The LCD screen layout is reasonable, the font is large and full and round, and the professional power LCD screen has all the functions you want 5. The product has a wide range of applications, with anti-backfilling function to charge a variety of rechargeable batteries, and with MPPT function to support MPPT solar charging, can be connected to the external temperature probe to support overtemperature protection and so on, Weight: 0.73083239853 pounds, Manufacturer: Frewurwer