BTI MC04-BTI 14.4V 40WHR LI-ION BATTERY 807231-001, MC04, MC04041-CL ENVY 17-N078CA, 17-N151NR, 17-N153NR, 17-N179NR, 17T-N000, 17T-N100, 17T-R100, M7-N011DX, M7-N014DX, M7-N101DX, M7-N109DX

The BTI MC04-BTI 14.4V 40Wh Li-Ion Battery is a purpose-built replacement designed to restore powerful, reliable performance to HP ENVY notebooks and other compatible models. Engineered to deliver consistent energy for daily work, study sessions, multimedia use, and travel, this high-performance replacement pack helps you stay productive without the interruption of frequent recharges. With a 14.4-volt configuration and a robust 40Wh capacity, the MC04-BTI provides a balanced blend of runtime and compact, lightweight design that fits seamlessly into your laptop’s battery bay. It’s built to meet or exceed OEM specifications, combining careful cell selection, rigorous testing, and safety features that help protect your device and maximize overall battery health over time. Whether you’re powering a demanding spreadsheet, streaming media, editing photos, or working on long writing projects, this battery is crafted to support your routine from sunrise to sunset. The MC04-BTI is more than a replacement; it’s a dependable upgrade that helps you reclaim autonomy from wall outlets and keep your workflow moving forward with confidence.

• Long-lasting power for daily use — This 14.4V, 40Wh Li‑ion battery delivers steadier, more dependable runtime suitable for a full workday or extended study sessions. The four-cell configuration is designed to deliver consistent energy while maintaining a slim profile that fits the HP ENVY and compatible models without sacrificing portability. Expect reliable performance across a broad range of tasks, from word processing and online research to multimedia editing and on-the-go presentations.
• Broad compatibility with HP ENVY and more — The MC04-BTI is specified to work with HP ENVY models named in the product listing (including 17-N078CA, 17-N151NR, 17-N153NR, 17-N179NR, 17T-N000, 17T-N100, 17T-R100, M7-N011DX, M7-N014DX, M7-N101DX, M7-N109DX) and other devices that use the same 14.4V, 40Wh configuration. This makes it a versatile choice for users with different ENVY generations or similar HP models seeking a legitimate upgrade that aligns with OEM form factor and connector placement.
• Safety-first design and reliability — The BTI MC04-BTI battery incorporates built-in protection circuits to safeguard against over-charge, over-discharge, short circuits, and excessive temperatures. These safety measures work in concert with high-quality Li‑ion cells to deliver a stable power source while helping reduce the risk of thermal events or performance degradation over time. Compatible with standard charging practices, this battery is designed to preserve device health and deliver a dependable energy supply for everyday use.
• Effortless installation and user-friendly fit — Designed to fit the original battery bay with precise dimensions and connector alignment, the MC04-BTI enables a straightforward, tool-free replacement. Whether you’re upgrading an older pack or replacing a worn-out battery, you’ll enjoy a snug fit and secure connection that preserves reliable contact with the laptop’s power management system. Proper handling and installation help ensure optimal performance from day one.
• Quality you can trust — BTI stands behind its MC04-BTI replacement with a commitment to quality, safety, and dependable performance. Each battery is manufactured to stringent standards, tested for compatibility and reliability, and backed by a straightforward support approach. Choosing this replacement means investing in a durable, consistent power solution designed to keep you productive across the long haul.

Technical Details of BTI MC04-BTI 14.4V 40WHR Li-Ion Battery

• Part Number / SKU: 807231-001
• Model: MC04-BTI
• Voltage: 14.4V
• Capacity: 40Wh
• Chemistry: Lithium-Ion (Li-ion)
• Cell Configuration: 4-Cell
• Compatible Models: HP ENVY notebooks and other devices listed in the product title, including 17-N078CA, 17-N151NR, 17-N153NR, 17-N179NR, 17T-N000, 17T-N100, 17T-R100, M7-N011DX, M7-N014DX, M7-N101DX, M7-N109DX

How to install BTI MC04-BTI 14.4V 40WHR Li-Ion Battery

• Prepare and safety check — Power off your laptop completely and disconnect any external power sources. Place the device on a clean, flat surface and ensure you’re working in a static-free environment to protect electronic components. Have a soft cloth handy to rest the laptop or to protect surfaces during the replacement process.
• Access the battery bay — Flip the laptop over and locate the back panel or service door that covers the battery. Depending on the model, you may need to remove several screws. Use a compatible screwdriver and keep track of fasteners to avoid misplacement during reassembly.
• Disconnect the old battery — Gently disconnect the battery connector from the system board. If your model uses a locking mechanism, release the latch or tab that secures the connector in place. Do not pull on the wires; instead, grasp the plastic connector or the battery housing itself for a safe removal.
• Remove and replace — Remove the old battery from its bay by sliding it out of the compartment. Take note of the orientation of the battery and connectors so the new pack can be installed in the same alignment. Align the MC04-BTI with the bay and slide it into place until you hear or feel a secure fit with the connectors aligned.
• Reconnect and test — Reconnect the battery cable to the system board, reseal the back panel, and tighten screws if necessary. Connect the charger and power on the notebook to confirm the battery takes a charge and reports status correctly. If the system shows a battery warning, re-check connections and restart to ensure proper recognition by the BIOS/firmware.

Frequently asked questions

• Q: Is this battery compatible with my HP ENVY model? A: The BTI MC04-BTI 14.4V 40Wh Li-Ion Battery is designed to fit HP ENVY notebooks and other compatible models as listed in the product title (including several ENVY 17–series variants). If your device uses a 14.4V, 40Wh Li‑ion pack with the same connector layout, this replacement is likely compatible. Always verify the model number and battery bay dimensions to ensure a proper fit.
• Q: What is the voltage and capacity of this battery? A: This replacement battery provides 14.4V capacity with a 40Wh energy rating. This combination supports typical daytime workloads and multimedia use while maintaining a slim profile suitable for notebook chassis designs that require a four‑cell configuration.
• Q: How do I know I’m getting a safe, high-quality replacement? A: The MC04-BTI pack is built with quality Li‑ion cells and integrated protection circuitry for over‑charge, over‑discharge, short circuit, and thermal monitoring. The design adheres to stringent standards to deliver reliable performance and compatibility with the intended devices. Thorough testing helps ensure consistent operation across supported models.
• Q: How should I dispose of an old battery? A: Follow local regulations for battery recycling. Do not dispose of Li‑ion batteries in household trash. Many electronics retailers and community recycling programs offer battery recycling services. Always protect terminals and store battery safely until it is recycled or disposed of per guidelines.
• Q: What about warranty and support? A: Warranty terms and support depend on the seller and region. BTI typically offers a period of coverage for replacement batteries, along with access to customer support for installation help and troubleshooting. Check the product listing or contact customer support for precise warranty details and service options.