Made with barrell connector ready to go for the GWS C3-LP Charger. Plug into your 110V wall outlet and then plug power cord into your charger. Now you can leave the battery behind. Also a usefull power supply for many other chargers intended to run on 12V. Understand a running car 12V system is often about 14.5V so most other chargers made for typical 12V inputs will accept 15V just fine. SKU Number: GWCHG006