Playing Pokemon GO beat this into me hard. It used to be such a battery drain that you pretty much had to constantly be plugged in to a power bank with everything non-essential turned off (wifi, bluetooth, brightness, etc). But when you're out walking around, it was also way more enjoyable to have some kind of music or at least in-game sounds.
Plugged in, with music. For as many hours each day as the power banks would allow.