Indicators - Diagnostics with indicators communicate battery status. Easy to install or remove - first install the adapter and tighten, place the battery in the adapter. Then remove the battery to charge or replace it, remove it from the adapter and charge or replace the battery. Note: The 21.6V charger adapter cannot be used to charge the battery. Please remove this adapter from charging the battery for . Type: V8 Battery Converter color: as shown Material: plastic Package Contents: 1 x Battery Converter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.