DENAQ 9-Cell 80Whr Li-Ion Laptop Battery for DELL Inspiron 630m, 640m, E1405; XPS M140

Power up your Dell notebook with the DENAQ 9-Cell 80Whr Li-Ion Laptop Battery, a high-capacity replacement designed to revive mobility for Dell Inspiron 630m, 640m, E1405, and XPS M140 systems. With 80Wh of energy, this battery delivers extended runtimes between charges, letting you work, study, or stream on the go without the constant hunt for a wall outlet. The 9-cell design balances energy storage with portability, making it an ideal upgrade for students, road warriors, and professionals who depend on reliable power wherever life takes them. Engineered for safety and durability, it uses quality Li-Ion chemistry and Dell-compatible dimensions to fit snugly into your laptop’s battery bay, ensuring a secure connection and stable performance. Whether you’re composing documents, delivering presentations, or enjoying multimedia, this replacement battery is built to restore the speed, productivity, and freedom you expect from your Dell device.

• High-capacity 80Wh battery delivers extended run time for Dell Inspiron 630m, 640m, E1405, and XPS M140, helping you get through long meetings, lectures, or travel days without recharging. This means fewer interruptions and more uninterrupted productivity, whether you’re in a cafe, library, or on the road.
• 9-cell design balances power and portability, offering longer hours of use without adding excessive weight or bulk. The optimized cell arrangement provides solid performance across typical daily tasks, from web browsing and document editing to light video playback and data entry.
• Easy plug‑in replacement that fits Dell battery bays and connects securely for reliable operation. Quick swap capability minimizes downtime, making it a practical upgrade for aging batteries or when you want to refresh peak performance in your Dell laptop.
• Safe Li‑Ion chemistry with standard Dell-compatible voltage and built-in protection to guard against overcharge, overheating, and short circuits. The battery is designed to meet or exceed OEM safety expectations, giving you peace of mind during long work sessions or travel.
• Designed as a dependable OEM-replacement option, this battery provides consistent energy delivery, dependable cycle life, and reliability you can trust for everyday use—whether you’re powering through assignments, presentations, or creative projects.

Technical Details of DENAQ 9-Cell 80Whr Li-Ion Laptop Battery for DELL Inspiron 630m, 640m, E1405; XPS M140

• Battery Type: Li‑Ion
• Cells: 9-cell
• Capacity: 80Wh
• Compatibility: Dell Inspiron 630m, 640m, E1405; XPS M140
• Replacement for OEM Battery: Yes

how to install DENAQ 9-Cell 80Whr Li-Ion Laptop Battery for DELL Inspiron 630m, 640m, E1405; XPS M140

• Power down your Dell notebook, disconnect all peripherals, and unplug the charger before starting the replacement.
• Close the lid and flip the laptop over to access the bottom panel that houses the battery bay.
• Locate and release the battery latch or screws (depending on your model), then carefully remove the old battery from the bay.
• Align the DENAQ 9‑Cell battery with the bay’s connectors, slide it into place until it sits firmly, and ensure the latch can engage securely.
• Reattach the bottom cover, reconnect peripherals, and plug in the charger. Allow the new battery to reach a full charge before heavy use to maximize capacity and longevity.

Frequently asked questions

• Q: Is this battery compatible with my Dell XPS M140? A: Yes. It is listed as compatible with the Dell Inspiron 630m, 640m, E1405, and XPS M140 models.
• Q: What is the capacity of this battery? A: The battery provides 80Wh of energy with a 9-cell design, designed to extend runtimes compared to older, lower-capacity options.
• Q: Can I use this as a replacement for my OEM battery? A: Yes. It is intended as a plug‑in replacement that fits Dell battery bays and delivers reliable, comparable performance to the original.
• Q: How long will it last on a single charge? A: Runtime varies with usage patterns, screen brightness, and software activity. The 80Wh capacity is designed to provide significantly longer sessions than standard batteries for typical productivity tasks.
• Q: Is the battery safe to use? A: Yes. It uses Li‑Ion chemistry with built-in protections to help guard against overcharge and short circuits, and it is manufactured to meet safety standards for consumer electronics.