BTI DL-E5250-OE 11.1V 38Wh Replacement Battery for Dell Latitude 11 and E-Series

Power through workdays and travel with confidence using the BTI DL-E5250-OE replacement lithium-polymer battery. Specifically engineered for Dell Latitude notebooks in the Latitude 11 and E-series families, this OEM-equivalent battery delivers dependable performance, consistent runtime, and a safe, reliable charging experience. It seamlessly replaces the original cells used in Latitude 11 (3150/3160), Latitude E5240, and Latitude E5250 models, supporting productivity on the go without compromising form factor or balance. This is a true plug-and-play upgrade, designed to restore the full portable capability of your device with minimal downtime and maximum uptime.

• OEM-equivalent replacement for Dell Latitude This BTI DL-E5250-OE battery is engineered to mirror the original Dell specifications, ensuring smooth compatibility with Latitude 11 series (3150/3160) and Latitude E5240/E5250 notebooks. It replaces common vendor part numbers 451-BBLH, TNMFF, RYXXH, R5MD0, and 0R5MD0, so you can be confident you are selecting a dependable, OEM-like upgrade. The battery is designed to fit the existing cavity precisely, preserving the laptop’s size, weight, and balance for comfortable daily use and travel readiness.
• High-energy performance and capacity This 3-cell Li-Polymer battery delivers 11.1V and a nominal capacity of 38Wh (3423mAh). The lithium-polymer chemistry provides stable discharge, lighter weight, and a compact footprint—ideal for thin-and-light laptops where every millimeter and milliamp matters. With 38Wh of capacity, you’ll experience extended runtimes between charges, empowering you to complete longer presentations, collaborate offline, or work through back-to-back meetings without scrambling for power outlets.
• Safety-first design for everyday use The BTI DL-E5250-OE integrates essential protection circuits to guard against overcharge, over-discharge, short circuits, and thermal events. This means safer charging, reduced risk of damage to the notebook, and improved battery longevity across many cycles. The battery is built to adhere to industry safety standards, helping to prevent swelling and maintain performance stability even under repeated charge and discharge cycles. For professionals who rely on their devices for critical tasks, this safety-conscious design translates into greater peace of mind during daily use and travel.
• Easy installation with a reliable fit Enjoy a straightforward, tool-light replacement experience. The battery is engineered to fit Dell Latitude 11 (3150/3160) and Latitude E5240/E5250 models with precise alignment to the original bays and connectors. Its form factor mirrors the OEM battery, enabling a quick swap that minimizes downtime. Whether you are replacing a worn-out cell in an aging notebook or restoring power in a device you rely on for client work, you’ll appreciate the clear fit, stable contact, and plug-and-play replacement that keeps your workflow uninterrupted.
• Warranty-backed support for confidence The BTI DL-E5250-OE battery is protected by a 12-month warranty from the date of purchase. This warranty covers manufacturing defects and performance under normal use, giving you a safety net as you upgrade. If you run into compatibility questions or installation concerns, dedicated support is available to help you achieve a successful replacement and to ensure your notebook powers up with dependable performance when you need it most.

Technical Details of BTI DL-E5250-OE Replacement Battery

• Battery Type: Lithium Polymer (Li-Poly)
• Cells: 3-cell
• Voltage: 11.1V
• Capacity: 38Wh (3423mAh)
• Compatibility: Dell Latitude 11 series (3150, 3160), Latitude E5240, Latitude E5250
• Replacement Part Numbers: 451-BBLH, TNMFF, RYXXH, R5MD0, 0R5MD0
• Warranty: 12 months from date of purchase

how to install BTI DL-E5250-OE Replacement Battery

• Ensure the device is completely powered off and unplugged from any charging source before you begin.
• Remove the bottom panel or battery cover screws as required by the Latitude model to access the battery bay, then carefully detach the old battery’s connector from the motherboard.
• Gently remove the old battery from the compartment, align the replacement battery, and reconnect the connector securely to the system board.
• Reinstall the bottom cover and screws, then connect the charger to verify the new battery is recognized and begins charging. Allow the battery to calibrate with multiple full charge-discharge cycles if needed to optimize capacity reporting.
• Dispose of the old battery at an authorized recycling facility or retailer that accepts used batteries, following local regulations for safety and environmental responsibility.

Frequently asked questions

• Q: Is this battery compatible with Dell Latitude 11 (3150/3160) and Latitude E5250? A: Yes. It fits Latitude 11 series (3150/3160) and Latitude E5240/E5250, and replaces part numbers 451-BBLH, TNMFF, RYXXH, R5MD0, 0R5MD0.
• Q: What are the voltage and capacity specs? A: The battery operates at 11.1V and has a capacity of 38Wh (3423mAh) with Li-Poly chemistry.
• Q: How long can I expect runtime on a full charge? A: Runtime depends on usage, but with 38Wh capacity you can expect extended use between charges for typical productivity tasks, light media, and travel work sessions.
• Q: Does it come with a warranty? A: Yes, a 12-month warranty from the date of purchase covers manufacturing defects and performance under normal use.
• Q: Is installation difficult? A: The battery is designed for straightforward replacement in compatible Latitude models. Follow the installation steps outlined above for a safe, plug-and-play upgrade.