About this item
- Compatible Models: HP Probook 4330S | 4331S | 4430S | 4431S | 4530S | 4535S | 4435S | 4436S | 4440S | 4441S | 4446S | 4540S | 4545S.
- Compatible Part Numbers: 633733-1A1 | 633733-321 | 633805-001 | 650938-001 | PR06 | PR09 | QK646AA | QK646UT | LC32BA122 | 3ICR19/66-2.
- Built-in circuit protection. Automatic power cut off at high electric current, voltage or temperature ensures safety and extended battery life.
- All products are CE-/FCC-/RoHS-Certified by reputable, qualified and accredited testing laboratories. Strict guidelines for compatibility.