BTI Laptop Battery for Dell Latitude E6400/E6500 & Precision M2400/M4400 — 9-Cell
SKU: 16955337795

BTI Laptop Battery for Dell Latitude E6400/E6500 & Precision M2400/M4400 — 9-Cell

Sale price$91.69 Regular price$101.88
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Description

BTI Laptop Battery for Dell Latitude E6400/E6500 & Precision M2400/M4400 — 9-CellDiscover longer, more reliable power on the go with the BTI Notebook Battery. Engineered for portability, this rechargeable 9 cell battery is smaller and lighter than standard notebook batteries, delivering extended runtimes without adding bulk. Its proprietary battery size ensures a snug, compatible fit in select notebook models and a stable power connection for consistent performance. Whether youre travelling, commuting, or tackling a long workday,

Discover longer, more reliable power on the go with the BTI Notebook Battery. Engineered for portability, this rechargeable 9-cell battery is smaller and lighter than standard notebook batteries, delivering extended runtimes without adding bulk. Its proprietary battery size ensures a snug, compatible fit in select notebook models and a stable power connection for consistent performance. Whether you’re travelling, commuting, or tackling a long workday, BTI’s notebook battery helps you stay productive with fewer interruptions. Built for everyday reliability, it supports your busy schedule with a balance of performance, portability, and endurance that modern laptops demand.

  • Ultra-compact 9-cell design for extended life without bulk, enhancing travel convenience and daily portability.
  • Proprietary battery size engineered for better fit, reliable connections, and optimal performance in compatible notebooks.
  • Smaller and lighter than typical rechargeable batteries, enabling easier handling and less weight in your bag or backpack.
  • Rechargeable battery chemistry delivers consistent power, predictable discharge, and a longer usable lifespan for notebook use.
  • Designed to boost productivity with dependable uptime, allowing you to work, study, or entertain without frequent recharging breaks.

Technical Details of BTI Notebook Battery

  • Configuration: 9-cell design for extended runtime and improved energy delivery
  • Battery Type: Rechargeable Li-ion chemistry for reliable performance and energy efficiency
  • Form Factor: Proprietary battery size tailored for select notebook models
  • Size and Weight: Smaller and lighter than standard batteries to maximize portability
  • Compatibility: Intended for notebooks that require the BTI proprietary battery size for optimal fit and function

How to install BTI Notebook Battery

  • Power down your notebook completely and unplug from any power source before you begin.
  • Close the lid, lay the laptop on a clean, flat surface, and locate the battery compartment on the underside of the device.
  • Release the existing battery by gently disengaging the securing latch or latches designed for your model, and carefully remove the old battery from the bay.
  • Align the BTI Notebook Battery with the battery bay, ensuring the metal contacts match the corresponding terminals in the notebook.
  • Insert the battery firmly until it sits flush and the latch snaps back into place, securing the battery in position.
  • Reconnect the notebook to its power adapter and power on the device. If necessary, enter any battery calibration prompts or settings specific to your notebook.
  • Charge to 100% before first use and aim to cycle the battery once a month (full charge, full discharge, then recharge) to maintain calibration and maximize longevity.

Frequently asked questions

  • Q: Is the BTI Notebook Battery compatible with all laptops? A: No. This battery is designed for notebooks that use the BTI proprietary battery size. Check your device’s user manual or contact BTI support to confirm compatibility with your model.
  • Q: How does the 9-cell design benefit my notebook? A: The 9-cell configuration provides more energy capacity than standard 4- or 6-cell options, delivering longer runtime between charges and supporting productivity-heavy tasks on the go.
  • Q: Can I replace the original battery with this BTI battery if my notebook accepts BTI sizes? A: Yes, as long as your notebook is designed to accept the BTI proprietary battery size and the electrical specifications align with your device’s requirements.
  • Q: How should I care for the BTI Notebook Battery to maximize life? A: Store and use the battery within recommended temperature ranges, avoid complete depletion on a regular basis, calibrate periodically, and use an approved charger and power adapter compatible with your device.
  • Q: What should I do if the battery doesn’t fit or the laptop doesn’t recognize it? A: Ensure you have the correct BTI battery model for your notebook and verify the installation steps were followed precisely. If problems persist, contact BTI customer support or consult your device manual for troubleshooting guidance.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 16955337795

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lovecolor1
Port Orchard, US
★★★★★ 5
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Size: Medium, Color: Opal Blue/White/Cruise Blue (3-pairs)
My favorite socks, too bad under armour discontinued the cotton blend fabric and went to 100% polyester 😠
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Reviewed in the United States on March 16, 2026
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These are my favorite socks!
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Reviewed in the United States on September 22, 2025
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The bookish health nut
Lexington, US
★★★★★ 5
Absolutely Essential for Any Athlete or Gym-Goer!
Size: Large, Color: (035) Steel / White / Black
I recently purchased the Under Armour Unisex-Adult Training Cotton No Show Socks 6 Pack, and I must say, they've become an indispensable part of my workout gear. Here's why these socks are a game-changer: Comfort Above All: These socks are incredibly comfortable. Made from a blend of cotton and synthetic fibers, they provide just the right amount of cushioning without feeling bulky. Whether I'm running, lifting weights, or doing yoga, my feet feel supported yet free. No Show, All Go: True to their name, these socks stay perfectly in place without slipping down into my shoes. This is crucial for maintaining a professional look at the gym or during sports activities. No more embarrassing sock peeks or having to constantly adjust them. Durability: For the price, these socks hold up remarkably well. I've washed them multiple times, and they haven't lost their shape or elasticity. They've survived the rigors of both my workouts and laundry day. Breathability: The material mix allows for excellent breathability. My feet stay dry and cool, reducing the chances of blisters or discomfort during long sessions. Pack Value: Getting six pairs in one go is fantastic. It means I always have a fresh pair ready, which is perfect for someone like me who works out frequently. Fit for All: These socks fit true to size and are designed to be unisex, making them a versatile choice for anyone looking to upgrade their sock game. If you're in the market for socks that combine comfort, performance, and style, look no further. Under Armour has nailed it with these no-show socks. They've quickly become a staple in my wardrobe, and I find myself reaching for them over any other sock I own. Highly recommended for anyone serious about their fitness routine or just wanting reliable, high-quality socks. 5 out of 5 stars - These socks are a must-have!
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Reviewed in the United States on August 25, 2024
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DLynn
Grantham, US
★★★★★ 5
My Husband’s Favorite Socks
Size: Large, Color: (035) Steel / White / Black
The Under Armour Unisex Training Cotton No Show Socks have become my husband’s absolute favorite socks—and he’s pretty picky about socks. Comfortable Fit: They’re soft, comfortable, and fit well without being too tight. They stay in place all day with no slipping or bunching. Great for Everyday Wear: Perfect for workouts, walking, and everyday use. They provide just the right amount of cushioning without feeling bulky. Durable & Long-Lasting: These hold up really well through regular wear and washing. They keep their shape and don’t wear thin quickly. Reliable Under Armour Quality: You can tell they’re well made. Consistent quality that matches what you expect from Under Armour. Overall Impression: When someone has a favorite sock and keeps reaching for it, that says everything. These are comfortable, durable, and dependable.
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Kendall King
West Palm Beach, US
★★★★★ 5
Quality Under Armour socks
Size: Large, Color: (100) White / White / Black
Nice medium thick sock that is breathable but cushioned. It stays put in the show and doesn’t fall down. Fit is true to size, no show/minimal show
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