Specification: Battery type: Li-ion Voltage: 14.4V (Compatible with 14.8V) Capacity: 5200mAh Cell: 8 Cells Recharge cycles: 500 Operation time: Around 2-3 hours Dimension:271.45340.7 N.W.:579.8g Type:Li-ion Compatible Models: (Ctrl + F for fast search ur laptop model) Compatible with dv7-3150ez, dv7-3150sg, dv7-3152ca, dv7-3153ca, dv7-3155eb, dv7-3155ef, dv7-3155el, dv7-3160eb, dv7-3160eg, dv7-3160el, dv7-3160ep, dv7-3160es, dv7-3160us, dv7-3162nr, dv7-3163cl, dv7-3163ef, dv7-3164cl, dv7-3165dx, dv7-3165eb, dv7-3165ef, dv7-3166eb, dv7-3166nr, dv7-3167nr, dv7-3169wm, dv7-3170ca, dv7-3170eg, dv7-3170ez, dv7-3171nr, dv7-3173ca, dv7-3173nr, dv7-3174ca, dv7-3174nr, dv7-3178ca, dv7-3180es, dv7-3180sg, dv7-3180us, dv7-3183cl, dv7-3183nr, dv7-3186cl, dv7-3187cl, dv7-3188cl, dv7-3190eg, dv7-3190es, dv7-3195eg, dv7t, dv7t-1000, dv7z, dv7z-1000 Compatible Part Numbers: 46459-121 46485-001 516-001 GA08 HSTNN-C50C HSTNN- DB74 HSTNN-DB75 HSTNN-IB74 HSTNN-IB75 HSTNN-OB75 HSTNN-Q35C HSTNN-XB75 KS525AA