10.8V 56Wh 6-Cell Battery for HP 420 620 625 HP ProBook 4320s 4520s 4525s Compaq 420 620 (P/N: PH06, BQ350AA HSTNN-Q78C HSTNN-UB1A)

Description

Specifications

10.8V 56Wh 6-Cell Battery for HP 420 620 625 HP ProBook 4320s 4520s 4525s Compaq 420 620 (P/N: BQ350AA HSTNN-Q78C HSTNN-UB1A)
Voltage 10.8V,
Capacity 5200mAh/56Wh,
Number of Cells/type 6,
Colour Black,

Compatible Part Numbers

Compatible Devices

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.