BTI L21M4P74-BTI 15.44V 86WHR LI-ION BATTERY L21M4P74, SB10W51972, 5B10W51871, 5B11M90038, L21C4P72, SB11M89839, 5B11M90036, L21D4P72, SB11M89837, 5B10W51872, SB10W51973, 5B10W51873, 5B11M90039, 5B11M90037, THINKPAD P16S GEN 1, P16S GEN 1 21BT, P16S GEN 1 21BU, P16S GEN 1 21CK, P16S GEN 1 21CL
Enhance your Lenovo ThinkPad notebook's performance with the BTI L21M4P74-BTI 4-cell lithium-ion battery, designed specifically for models like P16S Gen 1 & 2, T16 Gen 1 & 2, and their variants. This high-capacity 86Wh battery ensures extended usage time, making it ideal for professionals on the go who require reliable power during long work sessions. Constructed with advanced lithium-ion technology, the battery offers consistent power output and longevity, supporting your device through demanding tasks with ease.
The BTI L21M4P74-BTI battery features a voltage of 15.44V, compatible with multiple OEM part numbers such as L21M4P74, SB10W51972, and others. Its design conforms to strict environmental standards, including China RoHS compliance, and is manufactured in China by Battery Technology, Inc. This replacement battery is engineered to match or surpass OEM performance, providing a seamless fit and reliable operation for your Lenovo notebook. The 18-month limited warranty provides added peace of mind, backed by US-based customer support ready to assist with any inquiries.
Installation is straightforward, and the battery is compatible with a broad range of Lenovo ThinkPad models, including P16S GEN 1 & 2, T16 GEN 1 & 2, and additional variants. Whether for professional use, travel, or everyday tasks, this battery ensures your device remains powered without interruptions. With durable construction and adherence to quality standards, the BTI L21M4P74-BTI battery is a dependable choice to keep your Lenovo notebook running at peak performance.
Features:
- Specs: Li-Ion, 15.44V, 86Whr, 4 Cell
- Model Fits: Lenovo ThinkPad P16S GEN 1 & 2, T16 GEN 1 & 2 and variants
- Replaces OEM part numbers including L21M4P74 and SB10W51972
- Limited 18-month manufacturer warranty for reliability
- US-based customer service call center for support