Replacement battery 6.6 Volt, 8.6 Wh The package contains lithium ion cells or batteries. The package must be handled with care and that a flammability hazard exists if package is damaged. Special procedure must be followed in the event the package is damaged, to include inspection and repacking if necessary. Telephone number +49 361 730 730 for addition information. Capacity until 20 Wh: No dang