Xiaomi 13T - Internal Battery Information; Battery Charging and Lifespan

36
•● Leaving•an•OLE•display•in•direct•sunlight•may•damage•
it.•Be•careful•when•placing•the•product•near•a•window•or•
outdoors.
■ Internal battery
（The internal battery of the product is a
lithium-ion battery）
The•internal•battery•is•not•fully•charged•at•
the•time•of•purchase.•Charge•the•internal•
battery•before•using•the•product.•Charge•the•internal•
battery•if•you•have•not•used•the•product•for•a•long•time.
•● Use•in•very•hot•or•cold•environments,•for•example,•when•
left•in•an•automobile•with•the•windows•closed•in•
summer,•will•cause•the•internal•battery•capacity•to•drop•
and•shorten•the•available•usage•time.•This•will•also•
shorten•the•internal•battery's•service•life.•Try•to•use•the•
product•as•far•as•possible•at•room•temperature.
•● The•internal•battery•gradually•discharges•after•charging•
even•if•the•product•is•not•used.•The•internal•battery•
might•discharge•completely•after•long•time•no•use.•
Charge•before•using.
•● The•internal•battery•sometimes•swells•up•as•they•
approach•the•end•of•its•service•life.•This•is•due•to•the•
properties•of•lithium-ion•batteries,•and•is•not•a•problem•
in•terms•of•safety.
•● The•internal•battery•is•a•consumable•item.•If•internal•
battery•function•deteriorates•without•any•recovery,•and•
operating•time•has•shortened•noticeably•even•after•
charging•or•the•internal•battery•is•bulging,•the•internal•
battery•has•reached•the•end•of•its•service•life.•Stop•use.•
Battery•is•built•in.•The•product•must•be•submitted•to•an•
au•Style,•au•shop,•or•other•counter•for•repair•at•cost.•
Service•life•depends•on•conditions•such•as•how•the•
product•is•used.
■ SIM card
•● Do•not•apply•unnecessary•force•when•removing•or•
inserting•the•SIM•card.•Do•not•use•more•force•than•
necessary•when•inserting•it•in•the•product.
•● You•are•responsible•for•any•damage•caused•by•inserting•
your•SIM•card•into•other•IC•card•reader/writer•etc.
Li-ion 00