Apple CEO Tim Cook (L) takes a picture with David Casarez (R) who just purchased the new iPhone X at an Apple Store on November 3, 2017 in Palo Alto, California.

Apple will launch three new iPhones next year with larger batteries, which should translate to longer battery life for users, according to KGI Securities analyst Ming-Chi Kuo.

Kuo's report suggests the phones will pack high-capacity batteries thanks to new two-cell designs provided by Korean supplier LGC. The new packs reportedly will be "L" shaped rather than rectangular to allow Apple to squeeze as much battery into the iPhone as possible.

Kuo's note, first reported Thursday night by AppleInsider, says Apple's most high-end 2018 iPhone will pack a 6.5-inch OLED screen and a 3,300mAh to 3,400mAh battery, far larger than Apple's biggest iPhone battery, the 2,716mAh in the iPhone X.