Lenovo ThinkPad T470 Hardware Maintenance Manual

Checkingtheoperationalcharging
Tocheckwhetherthebatterychargesproperlyduringoperation,dothefollowing:
1.Dischargethebatteryuntiltheremainedbatterypowerislessthan50%.
2.Connectthecomputertoacpowertochargethebattery.IfthebatterystatusiconintheWindows
notificationareaindicatesthatthebatteryisnotcharging,removethebatteryandletitreturntoroom
temperature.
3.Reinstallthebattery.Ifthebatteryisstillnotcharging,replacethebattery.
4.Checkthebatterystatusiconagain.Ifthesameerrorstillexists,replacethesystemboard.
Checkingthecoin-cellbattery
Tocheckthecoin-cellbattery,dothefollowing:
1.Disablethebuilt-inbattery.See“Disablingthebuilt-inbattery”onpage66.
2.Removethecoin-cellbattery.See“1100Coin-cellbattery”onpage81.
3.Measurethevoltageofthecoin-cellbattery.Seethefollowingillustration.
Wire
Voltage(Vdc)
Red+2.5to+3.2
Black
Ground
•Ifthevoltageiscorrect,replacethesystemboard.
•Ifthevoltageisnotcorrect,replacethecoin-cellbattery.
•Ifthecoin-cellbatterydischargesquicklyafterreplacement,replacethesystemboard.
Chapter3.Generalcheckout29

Lenovo ThinkPad T470 Specifications

General

RAM	Up to 32GB DDR4
Operating System	Windows 10 Pro
Bluetooth	Bluetooth 4.1
Processor	Up to 7th Generation Intel Core i7
Storage	Up to 1 TB HDD or Up to 512 GB SSD
Display	14" FHD (1920 x 1080) IPS
Graphics	Intel HD Graphics 620
Battery Life	Up to 18 hours
Ports	2 x USB 3.0, 1 x USB-C, HDMI, Ethernet, SD card reader
Wireless	Intel® Dual Band Wireless-AC 8265
Weight	Starting at 1.58 kg (3.48 lbs)