Li-ion notebook batteries opens up new mobility and usage possibilities of your devices. These batteries are manufactured using new, high-quality, balanced features, rechargalbe cells that ensures the longest battery life and maximum capacity. These batteries do not have "memory effect," so they can be recharged at any time convenient for the user.Unique microcontrollers used in batteries: - Protects the battery from overload, overheating and ignition;- Optimizes the discharge settings to maximize battery capacity;- Ensures device safety during both heavy load and standby mode.The battery is suitable for the following computer models:HP: HP 420; HP 425; HP 620; HP 625; ProBook 4320; ProBook 4320s; ProBook 4321; ProBook 4321s; ProBook 4320t; ProBook 4325s; ProBook 4326s; ProBook 4420s; ProBook 4421s; ProBook 4425s; ProBook 4520; ProBook 4520s; ProBook 4525s.COMPAQ: Compaq 320; Compaq 321; Compaq 325; Compaq 326; Compaq 420; Compaq 421; Compaq 425; Compaq 620; Compaq 621; Compaq 625.The battery is suitable for use instead of these original battery models: 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.

Technical specification:Capacity: 4400 mAhElement type: Li-ionVoltage: 10.8 VColor: blackNotes: The list of compatible batteries and computers may not be complete. In case of doubt, always consult a consultant.Warranty: 6 monthsManufacturer: Extra Digital