You won't be able to obtain the battery anywhere. Grey Technology of Worcester no longer stock "Gardenline" products. Model 9005 appears to be junk Made in China.
Ned Vaughan
May 2022
You won't find one anywhere. Suggest you write to Grey Technology Ltd.,
WR51RL. UK
James Herriot
May 2022
A battery for garden line grass and hedge trimmer model www-ag572 can I get one?
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix hedge trimmers.