Realme's 240W Battery Tech Fully Charges a Phone in 10 Minutes
BARCELONA—It's hard to believe, but we've reached the technological point where we can recharge a smartphone's battery from dead to full in under 10 minutes. At least, that's the claim being made by Realme with its GT3 flagship device, introduced here at Mobile World Congress.
The GT3 has a fairly typical 4,600mAh battery, but it's not the lithium-ion that's special here. Realme has pushed every part of the charging chain to the maximum. The phone includes three "maxed-out" charging chipsets that are able to charge the battery in unison, boosting energy transfer efficiency to 98.5%. Further, Realme ships the phone with a 12A USB-C cable—the maximum allowable current that can transit a USB cable. Last, the company is using a dual GaN charger that pushes 240W. (It's powerful enough to charge your laptop.)
Worried about fires? Realme says this is all safe. Thermals are a real issue, as Samsung knows all too well. The Realme GT3 has a 6,850-square-millimeter liquid cooling system that covers more than 60% of the battery surface to help dissipate heat. It also includes 13 sensors and 60 layers of safety protection.
Despite the speed, the battery will last a long time. Lots of charging cycles degrade lithium-ion batteries over time and leave them with reduced capacity. Realme claims the GT3's battery will retain 80% of its capacity after 1,600 charging cycles, which is double the industry standard of 800 cycles. Last, the battery charges intelligently, able to switch between travel mode, sleep mode, or in-car mode depending on the charging conditions and time of day.
Realme says the total time needed to recharge the GT3's battery is 9 minutes and 30 seconds. That's fast.
The rest of the phone is rather typical of a device
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