What charger or power adapter is compatible with the Infinix X6515 Smart 7?

Two approved adapters are listed: Adapter 1 (U100XEA) with input 100-240V~ 50/60Hz 500mA and output 5.0V 2.0A, and Adapter 2 (U100XKB) with input 100-240V~ 50/60Hz 400mA and output 5.0V 2.0A. Using an unrecognized or incompatible power adapter, charger, or battery may damage your device, shorten its life, or cause fire, explosion, or other hazards. (Page 5)