Description
Specifications
10.8V 56Wh 6-Cell Battery for HP Compaq 6720s 6730s 6735s 6820s 6830s Compaq 550 610 (P/N: HSTNN-IB51 HSTNN-IB52 HSTNN-XB51 HSTNN-XB52 451085-141 451086-121)
Voltage 10.8V,
Capacity 5200mAh/56Wh,
Number of Cells/type 6,
Colour Black,
Compatible Part Numbers
- 451085-141
- 451086-121
- 451086-161
- 451568-001
- 456864-001
- 456865-001
- 491278-001
- 451086-421
- GJ655AA
- HSTNN-IB51
- HSTNN-FB51
- HSTNN-IB52
- HSTNN-OB51
- HSTNN-XB51
- HSTNN-XB52
- HSTNN-LB51
- 513129-421
- 500764-001
- DD06
- HSTNN-I49C
- HSTNN-I48C
- HSTNN-I50C
- HSTNN-I54C
- 451086-122
Compatible Devices
- Business NoteBook 6720s/CT
- Business NoteBook 6720s
- Business NoteBook 6730s
- Business NoteBook 6730s/CT
- Business NoteBook 6735s
- Business NoteBook 6820s
- Business NoteBook 6830s
- 550
- 610
- 615
- 550
Note: For those who are looking for replacement battery for HSTNN-OB51, please make sure our battery’s shape is similar
to your original HP battery’s and check your laptop model to see if it matches with one of the fit models we list out above.
Tips to Extend Your Battery’s Lifespan
1. Keep it cool – heat is the biggest cause of battery wear, so avoid leaving your HP laptop in direct sun, a hot car, or on soft surfaces that block the vents.
2. Avoid charging to 100% every time – HP Battery Health Manager (in the BIOS or HP Support Assistant) lets you cap charging around 50-100% depending on how you use the laptop, which can meaningfully extend your battery’s usable lifespan.
3. Don’t let it run flat – regularly draining the battery to 0% wears it out much faster than topping up before it gets critically low.
4. Store at around 50% charge – if you won’t be using the laptop for a few weeks or more, store it half-charged in a cool, dry place rather than fully charged or fully empty.
5. Go easy on fast charging – rapid chargers generate extra heat, so standard charging (especially overnight or while idle) is gentler on the battery over time.
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