Description
Specifications
Compatible Dell Laptops:
-Latitude E7440
-Latitude E7450
Product Specifications:
Rating: 7.4V
Capacity: 34Wh mah
Technology: 4-cell Li-Ion
DP/N’s: 909H5; 0D47W; FMV51
Type: 34GKR, 034GKR
Compatible Devices
- Latitude E7440
- Latitude E7450
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.








