The HP B B13 uses a lithium-ion snap-in battery that mounts on the underside of the laptop, with both 6-cell standard and 9-cell long-life options available. Common matching part numbers across the HP B line include 804175-1B1 and HSTNN-DB9Q, and packs run from 7.7 to 19.0 V with capacities of about 38 to 98 Wh. Because part numbers vary by year, confirm the exact code printed on your current battery before ordering. Every option in this category is priced at $34.99.

Start by locating your exact model number on the bottom label, for example “ProBook 6460b” or “ProBook 6550b,” since close models often take different batteries. Then match the part number printed on your existing pack to one of ours, such as HSTNN-Q96C or 687517-2C1. With 130 distinct part numbers covering about 1819 compatible models, the part number is the most reliable way to confirm fit. Voltage on these packs ranges from 7.7 to 19.0 V, so check that too.

A HP B replacement battery costs $34.99. Every part number in this category, from 804175-1B1 to HSTNN-LB6K, is priced the same, so you do not need to compare prices across sub-series. With 130 distinct part numbers available covering about 1819 models, your job is simply to match the correct one to your laptop rather than shop for the lowest figure. Confirm your exact model and part number, then order with confidence.

No, HP B batteries are not universally interchangeable. The line uses two main battery families split between earlier 2009 to 2010 models and later 2011 to 2012 models, and they do not swap. For instance, a part like 482962-001 fits earlier ProBook units, while a later code such as 628369-421 fits the newer generation. With 130 part numbers across about 1819 models, always match the specific number on your battery rather than assuming compatibility by series name.

The HP B sub-series batteries differ mainly in part number, cell count, and the generation they fit. Across B13, BT905, B12, B10, BDF452, and B560, you will see 6-cell standard packs and 9-cell long-life options, with voltages spanning 7.7 to 19.0 V and capacities from about 38 to 98 Wh. Earlier sub-series use part families like HSTNN-Q96C, while later ones use codes such as 687517-2C1. The exact part number is what determines correct fit.

The battery part number is printed directly on the label of your current pack, which sits in the snap-in bay on the bottom of the laptop. Look for a code such as 804175-1B1, HSTNN-DB9Q, or 3ICR19/65-2 alongside the voltage and capacity rating. You can also check the bottom case label of the laptop for the exact model name, for example “ProBook 6560b,” and match it to the listing. Comparing the printed part number is the surest method.

Yes, you can replace the HP B battery yourself without tools. These are external snap-in packs located on the bottom of the laptop, so you simply power down, slide the release latch, lift out the old battery, and click the new one into place. Match a part number such as HSTNN-LB6K or 687517-2C1 to your model first, then confirm the voltage falls within the 7.7 to 19.0 V range for the line. The whole swap takes under a minute.

Signs include much shorter runtime than before, a charge that stalls below full, sudden shutdowns even when the meter shows remaining power, and the system staying tethered to the charger to stay on. If a pack rated near 38 to 98 Wh now drains in a fraction of its old runtime, it has likely reached the end of its service life. When you see these signs, match your current part number, such as 804175-1B1, to a fresh battery priced at $34.99.