00HW026 00HW027 01AV432 01AV433 01AV434 SB10K97589 SB10K97591 4ICP5/53/88. Lenovo ThinkPad Yoga 260 X260 Series. Usually not. Don’t worry, this is normal. Battery TypeLi-ion. Tablet battery has 6 months warranty, the laptop battery has 12 months warranty.
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