Dyson vacuum cleaner battery

Brand new 21.6V high capacity 4000mAh 225403 Replacement Battery for Dyson V7, Dyson SV11, Dyson V7 Motorhead Pro, Dyson V7 Total Clean, Dyson V7 Trigger, Dyson V7 Motorhead Vacuum Cleaner GREAT SAFETY: Quality SONY battery cells with CE and UL approval. Advanced battery technology provides improved energy density. How to diagnose if vacuum battery is…