Use this RS485 parallel charge connection cable to connect two HQST MPPT charge controllers together to increase the charging current of a single battery bank, without upgrading to a completely new higher power controller. A perfectly cost-effective solution for using your existing panel systems and controllers.
Increase Charging Current
Use this RS485 parallel charging connection cable to wire two HQST MPPT controllers together to dramatically increase the charging current of a single battery bank. Fully charge your battery bank quickly.
Use your existing HQST MPPT charge controller and solar panel system to work together with a new MPPT controller and new panel system. No need to upgrade the entire solar panel system and controller for higher power use, which can lower your costs.
Works with HQST MPPT Controllers
This RS485 parallel charge connection cable ONLY works with the HQST MPPT controller with Bluetooth series, including the 20A, 40A, and 60A charge controllers. You can combine 20A+20A, 20A+40A, 20A+60A, 40A+40A, 40A+60A, and 60A+60A. It's NOT compatible with other brands' controllers.
Easy to Use
Connect this cable to your controller's RS485 port. Press and hold the SET and DOWN keys on your controller, then select to turn on the parallel function (which is OFF by default). When you want to use two controllers separately, simply turn off the function and unplug the cable.
Durable and Useful
Made of a flexible but strong PVC jacket, this 2 m/6.6 ft RS485 parallel charge connection cable provides an easy wiring experience and endures over time.
1 x 2 m/6.6 ft RS485 Parallel Charge Connection Cable