Description
Specifications
TE04XL HSTNN-DB7T905277-855 Battery for HP Omen 15-ax217TX 15-ax239TX Pavilion 15-bc215TX (15.4V 43Wh 4-Cell Li-Poly)
Voltage 15.4V,
Capacity 2800mAh/43Wh,
Cells 4(li-Poly),
Colour Black,
Compatible Part Numbers
- TE04XL
- TE04
- HSTNN-DB7T
- 905175-2C1
- 905175-271
- 905277-855
- 844203-855
Compatible Devices
- TPN-Q173
- 15-BC215TX
- 15-BC216TX
- 15-BC217TX
- 15-BC218TX
- 15-BC219TX
- 15-ax214TX
- 15-ax215TX
- 15-ax216TX
- 15-ax217TX
- 15-ax218TX
- 15-ax219TX
- 15-ax223TX
- 15-ax224TX
- 15-ax225TX
- 15-ax226TX
- 15-ax239TX
- 15-ax240TX
- 15-ax253TX
- 15-ax254TX
- 15-ax255TX
- 15-ax256TX
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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