4400 mAh 10.8V // Compatible with : Models Models • Business Notebook 6720S • Business Notebook 6720s/CT • Business Notebook 6730s • Business Notebook 6730s/CT • Business Notebook 6735s • Business Notebook 6820S • Business Notebook 6830s

6600 mAh 10.8 // Compatible with : Models • Business Notebook 6530b • Business Notebook 6535b • Business Notebook 6730b • Business Notebook 6735b

2200 mAh 14.4V // Compatible with : Models • 510 • 530

4400 mAh 10.8 V // Compatible with : Models • ProBook 4330s • ProBook 4331s • ProBook 4430s • ProBook 4431s • ProBook 4435s • ProBook 4436s • ProBook 4440s • ProBook 4441s • ProBook 4445s • ProBook 4446s • ProBook 4530s • ProBook 4535s • ProBook 4540s • ProBook 4545s

4400 mAh 10.8V // Compatible with : Models • 420 • 421 • 425 • 4320t • 620 • 625 • ProBook 4320s • ProBook 4321s • ProBook 4325s • ProBook 4326s • ProBook 4420s • ProBook 4421s • ProBook 4425s • ProBook 4520s • ProBook 4525s

2200 mAh 14.8V // Compatible with : Models • ProBook 430 • ProBook 430 G1 • ProBook 430 G2