Powmr provide different brands of solar charge controllers, such as EPever, PowMr, etc. These solar panel controllers are mainly used in household solar energy storage systems, RVs, boats, and solar monitoring systems, etc. There are cost-effective PWM solar charge controllers, as well as MPPT solar charge controllers with high price but high efficiency, current from 3A-100A, voltage from 6V/12V/24V/36V/48V, can be very suitable for lead-acid batteries, gel batteries, Lifepo4 batteries.