Cordless Grass trimmers tested and reviewed by Fred In The Shed
Spear & Jackson S36GCBC Cordless Grass Trimmer and Brush Cutter review - Which?
EVEAGE 20V Cordless Grass Shears, Handheld Grass Trimmer, 2 in 1 Electric Grass Clippers & Power Hedge Trimmers Cordless for Gardening, with One 2000mAh Battery Pack and 2.5A AC Charger : Amazon.co.uk:
Cordless lawn trimmer: Trimmer line vs. blades – Einhell Blog
18V 230mm Cordless Grass trimmer FPGT18LI | DIY at B&Q