The Vax OnePWR Blade 4 Battery 4.0Ah 72Wh 18V Max BV25040 is a high-quality electric vacuum cleaner battery designed for use with Vax models such as Blade 4, CLSV-B4DC, and CLSV-B4KC. Made of durable plastic in a sleek grey colour, this battery is suitable for stick, upright, and handheld vacuums.
eBay