The charger is:
MobilePlanet #: MP965278
HP #: 253516-B21
http://www.mobileplanet.com/product....SSBAKQTTLQ6G6C
The battery is:
MP #: MP965298
Mfr #: 290484-B21
http://www.mobileplanet.com/product....SSBAKQTTLQ6G6C
The battery comes with a black plastic adapter that snaps on the charger (similar to expansion pack batteries), then the silver slim battery snaps on the black plastic adapter. With the adapter, the slim battery can even snap on an expansion pack. 0X