About LB1 High PerformanceAt LB1 High Performance we offer the highest quality batteries, adapters, consumer electronics, and more. Our mission is to provide our customers with the best buying experience possible. You can expect with every purchase unbeatable quality, performance, reliability by using only the best materials and workmanship. With our exceptional live customer service 7 days a week and our exclusive $100k product protection plan we ensure every customer is completely 100% satisfied guaranteed.Compatible ModelsHP Compaq 420 | 425 | 620 | 625 | 320 | 321 | 325 | 326 | 421 | 621HP ProBook 4320 | 4320s | 4321 | 4321s | 4320t | 4325s | 4326s | 4420s | 4421s | 4425s | 4520 | 4520s | 4525s | 4720s Compatible Part NumbersHP 587706-121 | 587706-131 | 587706-221 | 587706-241 | 587706-251 | 587706-421 | 587706-541 | 587706-741 | 587706-751 | 587706-761 | 592909-221 | 592909-241 | 592909-421 | 592909-721 | 592909-741 | 593572-001 | 593573-001 | BQ350AA | BQ350AAABA | BQ350AAAC3 | HSTNN-CB1A | HSTNN-CB1B | HSTNN-CBOX | HSTNN-DB1A | HSTNN-DB1B | HSTNN-I85C | HSTNN-I85C-3 | HSTNN-I85C-4 | HSTNN-I85C-5 | HSTNN-I86C | HSTNN-I86C-3 | HSTNN-I86C-4 | HSTNN-I86C-5 | HSTNN-IB1A | HSTNN-LB1A | HSTNN-Q78C | HSTNN-Q78C-3 | HSTNN-Q78C-4 | HSTNN-Q81C | HSTNN-Q81C-3 | HSTNN-Q81C-4 | HSTNN-UB1A | HSTNN-W79C-5 | HSTNN-W80C | HSTNN-XB1A | HSTNN-XB1B | PH06 | PH06047 | PH06047-CL | PH09 | PH09093 | PH09093-CL | 6BJXK01RWZBKDG Buy with confidence!18 Months Warranty.Live Customer Service, Email and Chat | Mon-Fri 4am-8pm PST | Sat- Sun 8am-5pm PST.Peace of mind exclusive 100k product protection.Copyright 2015 LB1 High Performance All Rights Reserved.

• Battery Type: Li-ion; Capacity: 4400mAh/48Wh; Cells: 6-cell; Voltage: 10.8V
• 100% Brand New from Manufacturer. Rechargeable Up to 500 times over life of battery.
• Premium Grade A cells ensures peak performance and reliability. Operation time depends on the capacity of the battery, laptop settings, power consumption of equipment, and how you use it.
• CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability.
• Live Support Mon-Fri 4am-8pm PST | Sat-Sun 8am-5pm PST | 18 Months Hassle-Free Warranty.

Battery Type: Li-ion; Capacity: 4400mAh/48Wh; Cells: 6-cell; Voltage: 10.8VAD 888, LP (dba LaptopBatteryOne.com)