GHU 87Wh Replacement Battery for Dell Latitude E6400

GHU’s 87Wh replacement battery is a direct-fit, UL-tested 9-cell power pack designed to restore long runtime to compatible Dell Latitude and Precision laptops.

This high-capacity GHU battery replaces factory part numbers such as 312-0748, 312-0749, PT434, KY265, 4M529, KY477 and others to revive older Dell Latitude E6400, E6410, E6500, E6510 and Precision M2400/M4400 machines. Rated at 87 watt-hours (7800 mAh), the unit is engineered to provide substantially longer unplugged sessions than most standard 6-cell packs while keeping installation straightforward and safe—UL-tested cells and factory-calibrated circuitry help protect your laptop from common charging issues.

Which Dell models and part numbers does this battery support?

The GHU 87Wh battery is compatible with a broad list of Dell model lines and OEM part references. It fits laptop models in the Latitude E6400/E6410/E6500/E6510 families and several Precision series, matching multiple legacy part numbers used by Dell and third-party sellers.

• Compatible models: Latitude E6400, E6410, E6500, E6510, ATG variants, Precision M2400 and M4400.
• Common part numbers supported: 312-0748, 312-0749, PT434, KY265, 4M529, KY477, 4N369, FU268.
• Cross-references: PT437, PT436, NM633 and other related OEM codes for 9-cell packs.

How long will the battery last on a single charge?

Runtime varies with workload, but at 87Wh this replacement battery typically delivers multiple hours more than standard lower-capacity packs. Light office tasks like web browsing or document editing will yield the highest runtimes, while heavy processing or graphics work will reduce overall time between charges.

• Rated capacity: 87 Wh (7800 mAh) for extended unplugged use.
• Estimated runtime: several hours for typical office or web tasks—actual results depend on system load and settings.
• Optimized for balance between capacity and safe charging via built-in protection circuitry.

Is installation straightforward and is the battery safe?

Yes. The GHU replacement is designed for easy swap-in installation: remove the old pack, seat the new module into the bay and latch it in place. GHU batteries undergo UL testing and include protective circuits that regulate charging, helping prevent overcurrent or overheating under normal use.

• Tool-free installation steps mirror the original Dell battery removal process.
• UL-tested cells and electronic protections for safer operation.
• Includes customer support if you encounter installation or compatibility questions.

What performance and support can I expect after purchase?

GHU provides product support and documentation to assist with setup and troubleshooting. The battery uses quality cells to sustain charge/discharge cycles and is built to meet the power requirements of the supported Dell notebooks without firmware conflicts.

• 24/7 customer support for setup and post-sale questions.
• Manufacturing QC and UL testing for consistent performance.
• Clear cross-reference to Dell part numbers to reduce compatibility risk.

Who is this for? If you own a Dell Latitude E6400, E6410, E6500, E6510 or a compatible Precision M-series that shows reduced battery life, frequent shutdowns on battery, or needs a full-capacity replacement, this GHU 87Wh 9-cell pack is built to restore multi-hour untethered operation. It’s suited to professionals, students and technicians who need a reliable, higher-capacity alternative to worn factory batteries while retaining straightforward installation and manufacturer-grade safety testing. Avoid this upgrade if your device uses a different physical battery bay or modern Dell models with proprietary slim-cell designs.