New 80Wh 15.4V Battery for Lenovo Legion Pro 5 16IRX8/16ARX8, Pro 7 16IRX8H, ThinkBook 16p G4-IRH Replaces L22M4PC0 L22X4PC0 5B11K38959 Grade A Cells 2-Year Warranty

Why You Need This Battery Your Lenovo Legion Pro 5 or Pro 7 is a powerhouse built for serious gaming and creative work. But even the best batteries degrade over time shorter runtime, unexpected shutdowns when the battery meter still reads 2030%, or the system refusing to hold a charge. Replacing it with a cheap, lowquality battery often leads to false capacity readings, swelling, or failure within months. This 5B11K38959 / L22X4PC0 battery solves that problem delivering true 80Wh / 5181mAh capacity with brand new Grade A Li-Polymer cells. What you see is what you get.

Designed for Lenovo Legion Pro & ThinkBook Series This battery is a direct fit for the following models. Use Ctrl+F to search for your specific model: Series Compatible Models Legion Pro 5 16IRX8 (82WK0019AU, 82WK0083US, 82WKCTO1WW, 82WK00BAAU, 82WK00BCAU, 82WK00DTAU, 82WK00GPAU), 16ARX8 (82WM005EGE, 82WM006XAU, 82WMCTO1WW) Legion Pro 7 16IRX8H (82WQCTO1WW), 16ARX8H, 16IRX8 ThinkBook 16p G4-IRH Replaces OEM part numbers (partial list): Common P/N L22X4PC0, L22M4PC0, L22C4PC0, L22D4PC0, L22B4PC0 5B11K38959, 5B11K38949, 5B11K38950, 5B11K38953, 5B11K38955, 5B11K38957, 5B11K38961 5B11N45394, 5B11N45395, 5B11N45404, 5B11N45419, 5B11N45420, 5B11N45428, 5B11N45439 L22M4PC1, L22D4PC1, 4ICP4/62/141, 4ICP5/64/137 SB11K38951, SB11K38952, SB11K38954, SB11K38956, SB11K38958, SB11K38960, SB11K38962 SB11N45400, SB11N45405, SB11N45408, SB11N45409, SB11N45427, SB11N45431, SB11N45440

Specifications

You Can Trust Specification Detail Model 5B11K38959 / L22X4PC0 / L22M4PC0 Chemistry Li-Polymer (Li-ion) Cells 4Cell Voltage 15.4V ( 15.44V compatible) Capacity 5181mAh / 80Wh Recharge Cycles 300500 cycles Color Black Safety Standards CE, FCC, RoHS Condition Brand new Grade A cells Warranty 30day return + 2year warranty What a Cheap or Failing Battery Costs You Short gaming sessions Your laptop dies after 4560 minutes of gaming. Performance throttling CPU/GPU slows down to prevent random shutdowns. Swelling Dangerous bulging that can crack the palm rest or bottom case. System errors Battery not recognized warnings and inaccurate battery percentage readings. What Our Battery Delivers Feature Cheap Generic Our Premium Battery True Capacity Often under 70Wh (fake label) 80Wh (tested) Cells Recycled or lowgrade Brand new Grade A Runtime (gaming) 11.5 hours 23+ hours Swelling Risk High within months Low, proper BMS Safety Standards None CE, FCC, RoHS Warranty None or 30 days 30day return + 2year warranty Who Is This Battery For? Lenovo Legion Pro 5 16IRX8 / 16ARX8 owners who want to restore or upgrade battery life.

Legion Pro 7 16IRX8H / 16ARX8H gamers who need extended unplugged gaming sessions. ThinkBook 16p G4-IRH users running demanding professional workloads. Anyone whose original battery is swollen or no longer holds a charge. Why Choose Our Battery? Genuine Grade A Li-Polymer cells Premium cells from top-tier manufacturers not recycled or refurbished. Exact OEM specifications Matches Lenovo's original 80Wh / 15.4V design. Advanced safety protection Overcharge, overdischarge, overcurrent, shortcircuit, and overtemperature protection built in. 100% tested Each unit is tested for capacity and cycle life before shipping. 2year warranty Buy with confidence. If anything goes wrong, we've got you covered double the industry standard. Installation Note Replacing the battery requires removing the bottom cover. The battery is internally connected via a cable. Professional installation is recommended if you're not experienced. Tools not included. What's Included 1 x 5B11K38959 / L22X4PC0 Replacement Battery (80Wh / 4cell)