Best battery smartphones launched in June
4. Asus Zenfone 3 Ultra
Asus Zenfone 3 Ultra packs a staggering non-removable 4600 mAh battery, which gives it a place in best battery smartphone team. The Asus phone also packs a Qualcomm Snapdragon 652 chipset sitting on a combination of Quad-core Cortex-A72 and Cortex-A53 processor. Besides this outstanding specs, Asus Zenfone 3 Ultra design comes with a large 6.8-inch full HD display. Asus ZenFone 3 Ultra offers a package of a 23-megapixel primary camera on the rear and a 8-megapixel front shooter for selfies.