Аккумулятор подходит для ноутбуков: 
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HP Compaq ProBook 4320s,
HP Compaq ProBook 4320t,
HP Compaq ProBook 4321s,
HP Compaq ProBook 4420s,
HP Compaq ProBook 4421s,
HP Compaq ProBook 4425s,
HP Compaq ProBook 4520s,
HP Compaq ProBook 4720s
HP Compaq 320 320	
HP Compaq 321 321	
HP Compaq 420 420	
HP Compaq 421 421	
HP Compaq 620 620	
HP Compaq 621 621	
HP Compaq 625 625	
HP Compaq 325 325	
HP Compaq 326 326
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Совместимые маркировки (коды аккумуляторов)
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  587706-121, 587706-241, 587706-741, 592909-221, 593572-001, BQ350AA#xxx, HSTNN-CB0X(S), HSTNN-CB1A, HSTNN-CB1B, HSTNN-DB1A, HSTNN-DB1B, HSTNN-I85C-3, HSTNN-I85C-4, HSTNN-I85C-5, 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, HSTNN-W79C-5, HSTNN-W80C, PH06, PH09, HSTNN-YB1A