BTI 0A36286-BTI 10.8V 63Wh Li-Ion Battery for ThinkPad X220/X230 Tablets

Power up with confidence using the BTI 0A36286-BTI 10.8V 63Wh Li-Ion Battery, a premium replacement designed for ThinkPad X220 Tablet, X230I Tablet, X220I Tablet, X230T, X220T, and the broader X230 Tablet family. This high-capacity battery is engineered to deliver dependable runtime without compromising the slim, portable profile that ThinkPad users expect. With a 63Wh capacity and a nominal 10.8V rating, it provides a balanced blend of extended power, light weight, and reliable performance for professionals who demand longevity between charges. The battery is built to match the original OEM specifications, ensuring compatibility with your device’s charging system, battery management, and safety protections. Whether you’re on a business trip, in the field, or working remotely, this BTI replacement empowers you to stay productive without constant recharging.

The BTI 0A36286-BTI battery is designed to be a drop-in replacement that fits the exact form factor and connector layout of the ThinkPad X220/X230 tablet line. It supports the OEM part numbers 0A36285, 42T4879, 45N1077, 0A36286, 42T4881, 45N1177, 0A36317, 42T4882, 67+, 42T4877, and 45N1076, providing a reliable upgrade path for users upgrading from older batteries or stocking up for travel and long work sessions. The design prioritizes safety and durability, with carefully selected cells and protective circuitry that guard against common charging risks, including overcharge, thermal runaway, and short circuits. This translates to peace of mind during daily usage and during travel where access to power may be intermittent.

In addition to compatibility, this BTI battery emphasizes user-friendly usability and long-term value. The 63Wh capacity means longer time between charges, which helps you maximize productivity before plugging in. The Li-Ion chemistry supports efficient energy delivery and a stable discharge curve, so you’ll notice consistent performance as the battery ages. The battery also contributes to a balanced weight distribution, preserving the device’s portability and ergonomics—critical for professionals who carry their ThinkPad all day from meeting to meeting. For IT teams and end users alike, choosing a trusted replacement battery reduces downtime and maintenance complexity, letting you focus on work rather than power management.

Safety is a core feature of the BTI replacement. The built-in protection circuitry manages charging currents, prevents overcharging, and mitigates thermal risks, helping to safeguard both the battery and the host device. This is especially important for business devices that are frequently charged at various locations or used in environments with fluctuating temperatures. The battery is manufactured to meet stringent quality standards and is tested to align with the reliability expectations of ThinkPad users who rely on their devices for critical tasks. With proper handling and periodic calibration as recommended, this battery can deliver dependable performance across multiple charge cycles, maintaining a steady runtime profile across the life of the product.

Compatibility, safety, and performance come together in a replacement option that respects your device’s original design philosophy: robust, practical, and easy to integrate into existing workflows. Whether you’re upgrading from a lower-capacity battery, restoring a device with diminished power, or preparing a spare for travel, the BTI 0A36286-BTI battery is designed to meet the needs of ThinkPad X220/X230 users who value reliability and efficiency. This is more than a power source; it’s a practical investment in uptime, productivity, and the continued usefulness of a beloved mobile workstation. It blends compatibility with strong capacity, safety features, and a user-centric approach to replacement—attributes that add up to a compelling value proposition for professionals and students alike.

• High-capacity 63Wh battery provides longer runtime for ThinkPad X220 and X230 tablets, helping you stay productive on longer flights, during remote fieldwork, or in back-to-back meetings without needing to recharge frequently.
• Exact OEM compatibility and validated part numbers include 0A36285, 42T4879, 45N1077, 0A36286, 42T4881, 45N1177, 0A36317, 42T4882, 67+, 42T4877, 45N1076, ensuring a precise fit and reliable operation with your device's battery management system.
• Smart safety features and built-in protection circuitry guard against overcharge, short-circuit, and thermal fluctuations, providing peace of mind during charging and long-term use.
• Easy plug-and-play installation with no software changes required; this replacement aligns with the original battery geometry and connector pins for a clean swap that preserves your device’s form factor and balance.
• Reliable Li-Ion chemistry engineered for consistent performance, a steady discharge curve, and stable voltage delivery across multiple charge cycles—designed to meet the demands of modern business environments and everyday tasks.

Technical Details of BTI 0A36286-BTI 10.8V 63Wh Li-Ion Battery

• Model: BTI 0A36286-BTI
• Voltage: 10.8V
• Capacity: 63Wh (approximately 5.8Ah)
• Chemistry: Lithium-ion (Li-Ion)
• Cell design: 6-cell configuration (typical for 63Wh packs)
• Part numbers / OEM compatibility: 0A36285, 42T4879, 45N1077, 0A36286, 42T4881, 45N1177, 0A36317, 42T4882, 67+, 42T4877, 45N1076
• Compatible devices: ThinkPad X220 Tablet, X230I Tablet, X220I Tablet, X230T, X220T, X230 Tablet
• Safety & compliance: Built-in protection circuitry for safe charging and operation

How to install BTI 0A36286-BTI 10.8V 63Wh Li-Ion Battery

• Power off your ThinkPad device and unplug from any external power source before starting the replacement process.
• Close all applications and place the computer on a clean, static-free workspace. If you’re replacing an existing battery, ensure the device is cool and not charging.
• Remove the back cover or battery access panel according to your model’s service manual, exposing the battery bay and connector.
• Carefully disconnect the old battery connector from the motherboard or battery rail, taking care not to bend pins or damage surrounding components.
• Remove the old battery and align the new BTI 0A36286-BTI in the same orientation, ensuring the connector lines up with the socket.
• Reconnect the battery connector, secure any mounting screws or latches, and reattach the back cover or access panel securely.
• Power on the device, let it calibrate if prompted, and perform a full battery cycle (discharge and recharge) to optimize the system’s battery gauge for accurate runtime readings.

Frequently asked questions

• Q: What models is this battery compatible with? A: It is designed for ThinkPad X220 Tablet, X230I Tablet, X220I Tablet, X230T, X220T, and X230 Tablet, and it supports the OEM part numbers listed in the compatibility section.
• Q: What is the capacity and voltage? A: The battery is rated at 63Wh, 10.8V, providing a solid balance of runtime and power for ThinkPad tablets.
• Q: Is this an OEM replacement? A: Yes. It matches OEM numbers such as 0A36285, 42T4879, 45N1077, 0A36286, 42T4881, 45N1177, 0A36317, 42T4882, 67+, 42T4877, and 45N1076 to ensure a precise fit.
• Q: How long will the battery last on a typical usage day? A: Runtime varies with device configuration, workload, screen brightness, and wireless usage; expect several hours of productivity between charges under normal conditions.
• Q: How should I install and calibrate it? A: Follow the installation steps above and perform a battery calibration if your device prompts you to do so after the first use.
• Q: Are there safety features? A: Yes. The battery includes built-in protection circuitry to minimize risks of overcharge, short circuits, and thermal issues.