This is a new HP spare HSTNN-CB1A battery for the HP ProBook 4320s 4321s 4325s 4326s 4420s 4421s 4425s 4520s 4525s models.
This HP HSTNN CB1A battery uses the highest quality Li-ion cells on the market from Samsung. An important specification to look for with rechargeable batteries is the mAh (milliamp hour) rating or Whr (Watt Hour). This HP HSTNN-CB1A battery is rated 5200 mAh. This is the highest rating available for a 6 cell battery pack. The higher the mAh rating, the longer your battery will run before it needs to be recharged again.
All our products carry a full 2 Year warranty and every battery is charged and tested before it ships. We provide a 30-day money back guarantee if you are not completely satisfied. We are so confident in the quality of our batteries, we will pay for any and all shipping expenses if our product fails to perform in the first 30 days you have our battery, even if it is not our fault.