The Lenovo 5B11H56337 is an internal laptop battery for compatible Lenovo ThinkPad systems, intended to restore battery-powered operation when a replacement is needed.
It uses lithium-polymer technology with four cells. Its capacity is 2995 mAh (46 Wh) and its output voltage is 15.36 V; these specifications identify this battery variant and help check it against the laptop’s requirements.
The listed compatible families include ThinkPad L13 Gen 3 and Gen 4, plus L13 Yoga Gen 3 and Gen 4. Compatibility also includes ThinkPad L13 Gen 5 models 21LB and 21LC. Check the exact model before choosing the replacement.
Installed inside a compatible notebook, the battery provides portable power for ordinary use away from a wall outlet. It is intended for replacing the internal battery or repairing a device in the listed ThinkPad families.