Um, it does have a battery meter, those 7 LEDs on the left side. That gives a granularity of about 14% per LED, which is better resolution than the battery meter on most OLED dna-style displays.
1-14%
15-29%
30-44%
45-59%
60-84%
85-100%
1-14%
15-29%
30-44%
45-59%
60-84%
85-100%