5-Watt Solar Panel With Built-in Controller

5-Watt Solar Panel with built-in Battery Tender® super smart charging controller. 100% portable battery charging and maintenance. Perfect for storage space without power access! BATTERY TENDER SOLAR PANELS ARE THE ONLY PANELS AVAILABLE WITH A BUILT-IN CHARGE CONTROLLER TO PREVENT OVERCHARGING! Please refer to the pictured Deltran Solar Charger Application chart for recommendations, and we would welcome any questions. Common battery size codes, i.e.,"Group" sizes, are based upon the physical size and terminal placement - NOT a measure of battery capacity. Typical Group codes are: U1, 24, 27, and 31. Group U1 34-40 Amp hours 12 volts (powersport, motorcycle, atv, jet ski, lawn equipment) Charge maintained with Deltran 5W Solar Charger - 270 mA, per pictured Deltran Solar Charger Application chart Example solar application batteries of the U1 Group code: Deka/MK 8GU1-DEKA Gel, 12 volt 31.6 AH Concorde Sun Xtender PVX-340T Solar Battery VRLA-AGM Deep Cycle Battery 34 AH Group 24 70-85 Amp hours 12 volts Charge maintained with Deltran 10W Solar Charger - 540 mA Example solar application batteries of the Group 24 code: Deka/MK Battery 8G24 Gel RV Battery (Group 24 - 12V, 84 AH) Concorde Sun Xtender PVX-690T Solar Battery VRLA-AGM Deep Cycle 69 AH Group 27 85-105 Amp hours 12 volts (automotive engine start batteries) Charge maintained with Deltran 10W Solar Charger - 540 mA, per pictured Deltran Solar Charger Application chart Example solar application batteries of Group 27 code: Deka/MK Battery 8G27-DEKA Sealed Gel Battery, 12 volt 88 AH Concorde Sun Xtender PVX-1040T Solar Battery VRLA-AGM Deep Cycle 104 AH Group 31 95-125 Amp hours Deep Cycle and Marine batteries Charge maintained with Deltran 15W Solar Charger - 830 mA, per pictured Deltran Solar Charger Application chart Example solar application batteries of Group 31 code: Deka/MK 8G31-DEKA Gel, 12 volt 97.6 AH Concorde Sun Xtender PVX-1080T Solar Battery VRLA-AGM Deep Cycle 108 AH Buyer responsible for proper connection and use of this product, including the addition of adequate fuse protection. Please contact us with any questions or concerns !!! Recommend consulting our Blog websites for additional information - Blog format facilitates interaction! Please visit: www.bohemianbiker.com (our longest running Blog with many interesting posts & comments), www.sae2pin.com (our "SAE 2 Pin connector" specific Blog), and www.solarcapitalistllc.com (our Blog for topics related to portable solar chargers). We also welcome email at: solaray@solarcapitalist.com