Dell Inspiron 15 7559, 7567, 357F9, 71JF4 Laptop Battery, 11.1V 6400mAh/74Wh

Description

Specifications

Dell Inspiron 15 7559, 7567, 357F9, 71JF4 Laptop Battery, 11.1V 6400mAh/74Wh
Voltage 11.1V,
Capacity 6400mAh/74Wh
Number of Cells/type (Li-Polymer) 3
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 Dell laptop in direct sun, a hot car, or on soft surfaces that block the vents.
2. Avoid charging to 100% every time – Dell Power Manager’s battery extender/optimized mode limits charging to around 80%, which can roughly double 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.