What you need to know The alleged "mini" OnePlus 13 is rumored to feature a flagship-level battery at 6,000mAh or higher. The Weibo tipster states the device should remain fairly thin despite such a large battery. Previous rumors claim the phone will see a redesigned camera "bar" with two lenses and a 6.3-inch OLED display. Additional rumors have surfaced regarding the supposed battery plans for an alleged upcoming OnePlus device. A post by Weibo leaker Digital Chat Station (DCS) claims OnePlus will look to provide its recent flagship-level battery within the rumored "OnePlus 13 Mini" (via 9to5Google). The tipster suggests…