12volt battery charging 4.3 watt monocrystalline solar panels,these compact solar panels measure just 235 x 200mm (approx 9 x 8 inches) in a 1.5cm silver metal frame and come complete with diode protection and a 1 metre power cable which can be easily extended if required,Ideal for trickle charging 12v batteries in sunny conditions,Just connect direct to the battery,no charge controller/regulator is required as these are 26 cell solar panels so the panels output is regulated to a maximum of 14.9v, this also means these panels are best used in sunny conditions,their small size means they can be easily glued or masticked to roofs or battery boxes,great for portable use also as weighing less than 700grammes they can be carried in most rucksacks and used for charging smaller 12v batteries used to run 12v lights when camping etc,waterproof and fairly resilient these are great little outdoor panels,the lower voltage means these panels can also be used for charging 9 volt batteries etc,two run in series is fine for trickle charging 24v batteries,price includes vat and delivery.