Please charge your Henry Quick Battery until the green light displays on the side of the battery. Once the battery has been fully charged, please click into the Quick Machine ensuring it is fully clipped into the battery holder. If you are still experiencing issues, please contact our customer support team here 

Please check the charger is fully inserted and the charging light is showing. If you are still experiencing issues, please contact our customer support team here

It sounds like you may have a different model such as the Henry Cordless cylinder vacuum. For more information on the battery for this model, please check out the product page here.