Lithium MPPT Charge Controllers

Lithium MPPT Charge Controllers

Upgrading to lithium (LiFePO4) batteries? Your solar charge controller needs to keep up. Every controller in this category combines MPPT charging with a lithium charging profile, so your lithium bank charges to the correct voltage, fast and safely, and gets the most out of every watt your panels produce.

Why lithium batteries need the right charge controller

  • Correct charge voltages: LiFePO4 batteries need specific absorption and float settings. A lead-acid profile can undercharge them, and a poorly configured controller can overcharge them. A lithium profile gets it right.
  • No equalization: lead-acid equalize cycles can damage lithium cells. Lithium-ready controllers disable it.
  • Low-temperature protection: charging lithium below freezing can damage cells. Controllers such as the Renogy Rover Li include low-temperature charging protection.
  • MPPT efficiency: lithium batteries accept high charge current, and MPPT harvests up to 30% more energy than PWM. That means faster recharges and more usable power, especially in winter or when you're parked in partial shade.

Popular lithium MPPT controllers

  • Victron SmartSolar MPPT: the industry benchmark, with built-in Bluetooth, adaptive charging and models from 15 A up to the 200 A RS series.
  • Renogy Rover Li and REGO: lithium-focused MPPT controllers with Bluetooth. REGO adds RV-C communication.
  • Go Power Dual-Bank MPPT: RV-C and PowerTrak compatible, stackable, and able to charge two battery banks.
  • Rich Solar BRAVO 30: up to 99.5% tracking efficiency with Bluetooth and broad battery support.
  • AIMS Power MPPT: fanless 30 to 80 A controllers for 12 to 48 V systems.
  • Redarc Manager30: AC charger, DC-DC charger and MPPT solar regulator in one battery management system.

Sizing tip

Divide total panel watts by battery voltage and add 25% (for example, 600 W ÷ 12 V = 50 A, so choose a 60 A controller). Keep your array's cold-weather open-circuit voltage below the controller's PV voltage rating.

Not sure which controller fits your lithium setup? Call our team at 1-800-712-8822 and we'll help you pick the right one.

29 Products