1Compatible: This lithium battery adapter is suitable for V6 SV03 SV04 SV09 DC62 DM18DSV6 vacuum cleaner, please confirm the model before use. 2Applicable: This battery adapter allows the use of 18V batteries and battery replacement in most for MISUMI batteries transfer to for V6 battery. 4Replacement Parts: This battery converter can be used for replacement or repair, replacing damaged original parts and extending their life. 5Simple Installation: The battery adapter is easy to install and remove, no need to remove the adapter when the battery is dead, just take out the battery and charge the battery, it can be easily installed and the battery is fully charged. 3Overload Protection: Standard built in over discharge, over voltage, over current, over temperature protection, safe and reliable, can be used with confidence.