Dentsing 01AV458 15.28V 56Wh/3665mAh 4-Cells Laptop Battery Compatible with Lenovo ThinkPad X1 Carbon 4th Gen 2016 X1 Yoga 1st 2nd Gen Series 4ICP4/48/123 SB10K97567 00HW028 01AV409 01AV438 01AV439

Battery Model01AV458 / SB10K97567Battery TypeLi-ionVoltage15.28 VCapacity56Wh/3665mAhCondition100% Brand New From ManufacturerPackaging1* battery + 1* instruction manual +1* screwdriver kit We suggest you open your laptop case to check and confirm your original battery model and appearance, compared with our battery image, make sure that's what you need. Especially the connector location and type, the cable length (long or short etc).

Replacement for Part Number
01AV458 / SB10K97567
01AV409 / 01AV438 / 01AV439 / 01AV410 / 01AV440 / 01AV441 / 01AV444
01AV457 / 00HW029 / 00HW028
SB10F46466 / SB10F46467 / SB10K97566
4ICP4/48/123

FIT FOR:
Lenovo ThinkPad X1 Carbon 4th Gen Series
Lenovo ThinkPad X1 Carbon 4th Gen 20FB 20FC
Lenovo ThinkPad X1 Yoga 1st Gen Series
Lenovo ThinkPad X1 Yoga 1st Gen Type 20FQ 20FR
Lenovo ThinkPad X1 Yoga 2nd Gen Series
Lenovo ThinkPad X1 Yoga 2nd Gen Type 20JD 20JE 20JF 20JG

New battery received, discharge the battery to 5% (not 0%) for the fist use, then charge and cycle 3-4 times to wake up the new battery.
The important point is to perform a full discharge and charge every other month to extend the battery life.
Do not connect adapter for a long time while using the battery. It may damage the battery.
Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of it in fire or water.

All of our batteries are rigorously tested to meet or exceed the OEM specifications. The performance are the same or better than laptop original battery.
Battery Installation is easy, but we also recommend you to learn related installation video on the web in advance, or just find a repair technician for help.
Please be careful when install battery. Any damage caused by improper operation will be your own responsibility, hope understand.

Battery cannot be identified by your laptop or it doesn't seem to work. That may be caused by different situations. Please check by yourself first as below steps.
Could be caused by battery loose. Remove the battery and try to reinstall more than once.
May be due to conductive material damaged which the laptop motherboard and battery anode and cathode contact position, you can try to confirm it with your original battery.
Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.
Take out the battery and press the power button for about 15 seconds to consume the internal residual power (Do not connect the power cord), and then reinstall the battery. You can try several times.

BATTERY SPECIFICATION Note Before Purchasing Compatible Laptop Models(Use "Ctrl+F to find your model quickly) Battery Optimal Maintenance Installation Suggestion Issue Troubleshooting Methods