Victron Energy SmartSolar MPPT 150/35 - 150V - 35A - UL Approved One Size. Using the latest fastest technology SmartSolar maximises this energy-harvest driving it intelligently to achieve full charge in the shortest possible time. SmartSolar maintains battery health extending its life. The SmartSolar charge controller will even recharge a severely depleted battery. It can operate with a battery voltage as low as 0 Volts provided the cells are not permanently sulphated or otherwise damaged. MPPT: Ultra Fast Maximum Power Point TrackingBy constantly monitoring the voltage and current output of your solar (PV) panels MPPT technology ensures that every drop of available power is rinsed out of your panels and harvested for storage. The advantage of this is most noticeable when the sky is partially clouded and light intensity is constantly changing. Remote Monitoring and ControlRemotely control and monitor the extensive features of your SmartSolar MPPT charger with built-in bluetooth by pairing it with your smartphone or other device via VictronConnect. If your installation is connected to the internet Victron Remote Management Portal (VRM) provides access to the full power of your MPPT anytime anywhere; both services are free to use. For remote installations - even when there is no internet connection or phone signal nearby - you may be able to monitor your MPPT by bluetooth-pairing with a LoRaWAN (long-range wide area network) device available optionally. VictronConnectVictronConnect lets you get live status information and configure any Victron products which either have Bluetooth built-in or are connected to a VE. Direct Bluetooth Smart Dongle. Please contact your dealer for any returns repairs or support issues related to this product. Package Contents: Victron Energy SmartSolar MPPT 150/35 - 150V - 35A - UL Approved Victron Energy SCC115035210: SmartSolar MPPT 150/35 - 150V - 35A - UL Approved One Size