GHU 9-Cell 87Wh Laptop Battery for Dell Studio 1535–1558

GHU's 9-cell 87Wh replacement battery for Dell Studio laptops restores mobile power with a high-capacity 11.1V, 7800mAh Li-ion pack designed to drop in for WU946/PP33L/MT264 series models.

If your Dell Studio 15 no longer holds a charge, this GHU replacement battery provides a straightforward way to revive run-time without replacing the entire laptop. Built to match the original form factor and connector layout of Dell Studio 1535, 1536, 1537, 1555, 1557 and 1558 machines, the pack balances capacity and compatibility so you can work unplugged longer. Below you'll find what this battery includes, how it performs, and practical details for installation and care.

Which Dell models and part numbers does this battery fit?

This GHU battery is engineered to be compatible with a range of Dell Studio 15 variants and several factory part codes. It aligns with the physical mounting points and connector of the original pack so it installs like the OEM battery.

• Compatible models: Dell Studio 1535, 1536, 1537, 1555, 1557, 1558, and Studio 15 family.
• Cross-reference part numbers: WU946, WU960, WU965, MT276, MT264, KM905, KM904, KM887, PW773, D260.
• Also listed for Dell model families: PP33L and PP39L compatible configurations.

How long will a full charge last in everyday use?

Run-time depends on your laptop's workload, age, and power settings, but the larger 87Wh (7800mAh) pack delivers noticeably longer unplugged time than many original lower-capacity batteries. For light web browsing and document editing expect several hours; heavier tasks will reduce that figure accordingly.

• 7800mAh capacity gives extended runtime versus standard 6-cell packs.
• Typical light-use sessions (email, browsing) last significantly longer; heavy CPU/GPU tasks shorten runtime.
• Optimizing power settings improves battery longevity per charge.

Is the battery safe and easy to install?

GHU batteries use a Li-ion chemistry and include standard safety features to match typical laptop battery protections. Installation is a simple process: power down the laptop, remove the old battery, and seat the GHU pack in the same bay until it clicks; no special tools are required for most Studio 15 models.

• Rated voltage: 11.1V — matches the original Dell specification.
• 9-cell layout reproduces the OEM shape and latch positions for secure fitment.
• Follow manufacturer safety steps: power off, disconnect AC, and use correct disposal for the old battery.

What performance and maintenance tips maximize life?

Battery longevity is a mix of design and usage habits. Moderate charge cycles and sensible thermal management keep the pack healthy through many recharges without complex upkeep.

• Avoid extreme heat; keep vents clear and use on flat surfaces during charging.
• Occasional full discharge/recharge cycles help recalibrate charge reporting.
• Store at roughly 40–60% charge if you won't use the laptop for weeks to months.

Who is this for? If you own a Dell Studio 1535/1536/1537/1555/1557/1558 (or a Studio 15 with the matching part codes) and need a cost-effective, high-capacity replacement that fits and functions like the original, the GHU 9-cell 87Wh battery is designed for you. It's a practical option for students, professionals, and anyone needing extended unplugged use from an older Dell Studio machine without upgrading hardware. Always verify your model and part number before ordering to ensure compatibility.