The Sentry solar panel kit may be used to charge the battery in the Sentry gate opener. A 30% federal tax credit is available that applies to the total gate opener system cost when solar charged. Solar charging eliminates the need for AC power at the gate saving money and installation time. The energy efficient design of the sentry gate opener allows up to 8 weeks of operation without any sun and additional solar panels are not needed. The solar panel kit includes a 5 watt solar panel, 15 of cable equipped with plug n go connector (no wiring), mounting bracket and hardware. If solar panel must to be installed more than 15 from the battery use Sentry charge cable extension kit PN 630050. 1 year warranty covers defects in material and workmanship.