VIFERR Solar Panel Kit 40W 18V Monocrystalline Silicon Flexible Solar Panel Module with 20A Solar Charge Controller for Motorhome Balcony Boat Campervan

High-Efficiency Power Generation: Delivers 23-24% conversion efficiency with stable 18V DC and dual 5V USB outputs, maximising energy harvest in UK daylight conditions to reliably charge devices where grid power is unavailable and prevent frustration with underperforming panels in overcast weather

Direct Device Charging Convenience: Foldable solar panel kit Monocrystalline features dual USB ports for simultaneous charging of phones, power banks or GPS devices during outdoor activities, eliminating reliance on bulky power stations and providing immediate access to essential power while hiking or camping off-grid

Extreme Weather Resilience: Boasts IP65 waterproof rating (excluding USB ports) for reliable operation in typical UK rain, resisting damage from moisture exposure during caravan trips, boating adventures or unpredictable outdoor excursions without requiring constant cover

Ultra-Portable Outdoor Solution: At just 577g with 280x280mm dimensions, this ultra-thin panel easily packs into rucksacks for cycling, hiking or festival use, solving weight and space constraints that prevent travellers from carrying traditional rigid solar systems

Versatile Off-Grid Applications: Supports 12V/24V systems via intelligent controller for diverse needs including maintaining caravan leisure batteries, powering camping accessories, running agricultural sensors or emergency vehicle charging during roadside breakdowns across remote UK locations