Universal Battery Charger for HTC Desire 510 for all Boost Mobile, Cricket, Sprint, Virgin Mobile Cellphones By Fortress Brand (Universal Battery Charger) Perfect travel companion Small and compact design compatibile with 110-220V Automatically detects positive/negative polarity contacts Ideal for charging a spare battery and 2nd phone simultaneously Compatible with Most cell phones, PDA, MP3 players and digital cameras with Li-Ion, Ni-MH batteries.