On its website, Apple says that the iPhone 7's battery can provide up to 14 hours of
talktime when connected to 3G, up to 12 hours of Internet use on 3G and LTE, and up to 14 hours of Internet use on WiFi.
Not exact matches
When using 2G network only, you can expect a
talktime of about 14 hours and standby time of around 29 days.
The 1000 mAh battery that his handset uses give a
talktime of 5 to 6 hours and standby time is 300 hours
when all 3 SIM's are used, 350 hours
when 2 SIM's are used and 500 hours if only 1 SIM is used.
The battery in the HTC Desire 310 dual SIM is 2000 mAh, which is quite a good capacity
when compared to what is included to power the device, and the
talktime given by the company is around 11 hours on the 3G network.