SPS Advanced Home Power System- 640 SPS Sizing Sheet The AHPS-640 Kit is designed for the year round residence or large summer home. Eight 80 watt solar modules deliver up to 640 watts, and quickly charge a 24 V battery bank. The high efficiency panels are matched with the OutBack MX60 regulator with Maximum Power Point Tracking, giving you even more power in the winter. The kit features a 3000 W sine wave inverter built into an SPS Powerboard for easy installation. The GVFX-3524 has clean power for TVs and computers but plenty of horsepower for vacuums or power tools. The AHPS-640 will produce from 1 to 3.5 kWHrs per day, depending on weather conditions. The system may be expanded by adding more solar modules and / or a wind generator. In addition, a generator can be used to provide extra charging during the winter. Features: eight high efficiency 80 watt solar modules 640 watts, 19.2 at 24 VDC amps of array power GVFX-3524 Powerboard with charger, breakers, disconnects and a 60 amp MPPT charge controller Mate inverter remote and solar monitor 12 m of #6/4 Teck cable with connectors