IBM 42T4642 | Option Bay Battery for X300 X301

Technical Specs:
- Battery Type: Lithium-ion
- Capacity: 2600 mAh
- Voltage: 10.8 V
- Compatibility: ThinkPad X300 and X301
- Dimensions: 8.5 x 2.3 x 0.5 inches
- Weight: 4.8 ounces

Helpful Notes:
- This option bay battery is a great way to extend the battery life of your ThinkPad X300 or X301.
- It is easy to install and can be hot-swapped with the main battery.
- The slim design of this battery allows you to carry it with you without adding bulk to your laptop bag.