I have a couple of 3D printed spare battery holders one Ryobi and one Dewalt. They can be screwed to a wall or fixed in a work van to hold your spare batteries.
Ryobi is £5,00 and Dewalt £3.50 both plus £3;00 postage.
Ryobi is £5,00 and Dewalt £3.50 both plus £3;00 postage.