The battery will certainly be heavy, however you need to do this for a couple of minutes. Open the caps the same way you did earlier and put the cleansing liquid right into your pail. Your battery is planned for reconditioning, and you can securely deal with the waste liquids. https://reconditioningbattery69001.blogdigy.com/h1-how-to-replace-batteries-step-by-step-overview-h1-52916724