Check the listing for details. 100A Solar Panel Battery Charge Controller 12V/24V LCD Regulator Auto Dual USB. Color: Blue, Condition: New. Listed at 17.85 USD. 🥇TWO USB 100A MPPT SOLAR CHARGE CONTROLLER: MPPT Solar Charge controller compatibility with 12V and 24V system, Using innovative MPPT technology high tracking efficiency up to 99%; Compared with normal solar charge controller, this MPPT controller could increase efficiency by 20%-40%. 🥇MULTIPLE INTELLIGENT PROTECTION: Built-in overcurrent protection, short circuit protection, reverse connection protection, open circuit protection, all automatic recovery, no damage to the controller, a reliable protector for your devices. To protect the lifespan of your battery, once the voltage of the battery drops below 8V, the solar controller will turn off automatically. 🥇MULTIFUNCTIONAL LCD DISPLAYS - All the Various Real-time data shown on the same one display, it's convenient for users to check the d.