General description RBL solar charge controller is an intelligent and versatile device designed for solar charge and discharge management. It meets photovoltaic requirements for home heating and lighting systems, automatically reconfiguring for 12V and 24V lead-acid batteries. Technical specifications Model: RBL-40A Battery voltage: 12V/24V Charging current: 40A Discharging current: 40A Maximum solar input: Not specified USB output: 5V/3A Operating temperature: -35~+60℃ Variable charging voltage: HVD 13.3V - 15V Reset after voltage: LVD 11V - 13.5V Under voltage protection: RVD 9V - 12.3V Equalization voltages: Sealed 14.4V, Gel 14.2V, Flood 14.6V Swim Charge: 13.7V, adjustable Charge Stop: 10.7V (default sack-saving) Installation Connect the battery to the positive and negative terminals of the charge controller. Connect the photovoltaic module to the positive and negative terminals of the controller. Connect the consumer to the positive and negative terminals of the charge