?Precise Compatibility? Replacement for HP Pavilion DV4-1000 DV4-1120US DV4-1225DX DV4-1551DX, perfect match for Part No.: HSTNN-UB72 HSTNN-C51C HSTNN-C52C HSTNN-C53C. ?Long-Lasting Battery Life Upgrade? 5200mAh high-capacity battery cell, supports 3-5 hours HD video playback (20% more usage time than the original battery) ?Safety Protection? CE/RoHS/FCC certified, built-in intelligent IC chip prevents overcharge/overdischarge/short circuit, 500 charging cycle life. ?Purchase Tips? Before purchasing, please open the back cover of the laptop to confirm the battery model. Press [CTRL + F] to search for your laptop model/part number. Compatible laptop models and part numbers of compatible batteries and laptops are listed as following in product details. ?GBLGBD Support? Our dedicated support team provides 24/7 technical assistance for any product inquiries or troubleshooting needs throughout the entire lifespan of your battery. ? Premium HP Pavilion Battery Replacement Manufactured with grade A+ lithium-ion cells to restore your laptop's original performance. ? Compatibility Guarantee: Compatible with Laptop Models: HP Pavilion DV4-1000 DV4-1120US DV4-1225DX DV4-1551DX DV4-1435DX DV4-1465DX DV4-1548DX DV4-2040US DV4-2045DX DV4-2145DX HP Pavilion DV5-1235DX DV5-1017NR DV5T-1000 DV5-1002TX DV5Z-1000 DV5-1002NR DV5-1002AX DV5-1002AU DV5-1001TX DV5-1001AU DV5-1000US DV5-1000EA DV5-1000 DV5-1125NR DV5-1030 DV5-1020 DV5-1010 DV5-1004TX DV5-1004NR DV5-1002 DV5-1100 HP Pavilion DV6T-1000 DV6-2155DX DV6-1000 DV6-1245DX DV6-1355DX DV6-2150US DV6-1030 DV6-1030US DV6-2157US Replacement for Battery Original Part Numbers: 482186-003 484170-002 484171-001 484172-001 485041-002 498482-001 462890-161 462890-151 462890-251 462890-421 462890-541 462890-751 462890-761 482186-003 EV06055 84170-001 484170-002 484171-001 485041-001 485041-003 487296-001 487354-001 497694-001 497694-002 498482-001 511872-001 513775-001 516915-001 536436-001 KS527AA HSTNN-DB72 HSTNN-CB72 HSTNN-IB72 HSTNN-UB72 HSTNN-C51C HSTNN-C52C HSTNN-C53C HSTNN-CB72 HSTNN-CB73 HSTNN-DB72 HSTNN-DB73 HSTNN-IB72 HSTNN-IB73 HSTNN-LB72 HSTNN-LB73 HSTNN-Q34C HSTNN-UB72 HSTNN-UB7 HSTNN-W48C HSTNN-W49C HSTNN-W50C HSTNN-XB72 HSTNN-XB73 ? Technical Specifications: Capacity: 5200mAh / 10.8V (56Wh) Battery Type: 6-Cell Li-ion Special Feature: Accurate Battery Level Display (Compatible with HP Battery Detection System) Usage Tips: Fully charge and discharge the battery 3 times before first use to activate the battery. Avoid storing the battery for long periods of time with a full charge (40%-80% recommended). ? Package Includes: 1 GBLGBD DV4 Replacement Battery 1 User Manual