M1-M25 3 Pin Universal Laptop Universal Charger DC Tips Connectors One end USB One end DC 3 Pin Jack Male Connector
Aliexpress UK
Bought last year but never fitted still unopened as photos
eBay
Renogy 30W 50W 100W 175W 200W 320W 640W Solar Panel 12V Mono Off Grid RV Caravan. Renogy ONE M1 is the heart of your off-grid system with a sleek, flush-mount touchscreen that looks great anywhere. - Renogy ONE M1 -.
eBay
Brand New in box - box opened to check contents The Renogy One M1 Smart Solar Panel Energy Monitor is a reliable monitoring screen designed for home and RV use. With its DC current type, this energy monitor allows users to easily track and manage their solar panel system's performance. As part of Renogy's range of products, this monitoring screen is perfect for electronics enthusiasts looking to improve their energy efficiency and sustainability.
eBay
opened but unused. The Renogy One M1 Smart Energy Monitor is a monitoring screen designed specifically for home and RV use. It is capable of displaying current usage in DC, allowing users to track their energy consumption efficiently. With the Renogy brand known for quality and reliability, this smart energy monitor is an essential tool for those looking to manage their alternative energy supplies more effectively.
eBay
great bit of kit. no longer needed as I've upgraded
eBay