Battery Tender 15-Watt Solar Tender Charger With Built-in Controller (PN 021-1165) User Manual | Page 5 / 20 | Original mode | Also for: 10-Watt Solar Tender Charger With Built-in Controller (PN 021-1164), 5-Watt Solar Tender Charger With Built-in Controller (PN 021-1163), Solar Controller (PN 021-1162)