This link is for a charger that charges your spare evo batteries..:
Battery Charger For HTC Ozone, Snap, Tilt 2, Touch Pro 2, 4G - HTC EVO 4G Accessories
this page has a standard battery for 15.99
HTC Snap Accessories (Sprint, HTC S511)
Battery Charger For HTC Ozone, Snap, Tilt 2, Touch Pro 2, 4G - HTC EVO 4G Accessories
this page has a standard battery for 15.99
HTC Snap Accessories (Sprint, HTC S511)