Liwinting DC Plug Extension Cable 1m, 2m, 3m, 5m 2.1mm*5.5mm Male to Female Connector for Power Adapter, LED, CCTV Camera Power, Car, Monitors, etc. flexible, white
£5.59 – £6.59Connectors – Female: 2.1mm x 5.5mm jack. Male: 2.1mm x 5.5mm plug.
Recommended for DC up to 36 volt, Max load 3 amp or less.
This cable will only work with power adapter with 2.1mm x 5.5mm plug and not other sizes.