3. Asus Zenfone 3 Ultra

This non Chinese smartphone packs a staggering non-removable 4600 mAh battery, which gives it a place in best battery smartphone team. Asus Zenfone 3 Ultra also delivers a Qualcomm Snapdragon 652 chipset sitting on a combination of Quad-core Cortex-A72 and Cortex-A53 processor. Apart from outstanding specs, Asus Zenfone 3 Ultra design comes with a large 6.8-inch full HD display. The smartphone offers a package of a 23-megapixel primary camera on the rear and a 8-megapixel front shooter.

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