Outlined are cell phone battery talk time and standby you might expect to get. Standby times are always difficult to estimate. Standby time and talk time can vary because of what type of phone you have, geography, strength of signal, your service provider, etc. Estimates for standby and talk time explained are very conservative.

Cell Phone Battery standby and talk times are also affected by a number of variables such as Digital vs. Analog, NiMH vs. Li-ION, Model and Age of Phone, Temperature, and Humidity. Standby and Talk Times are determined industry wide by a mathematical equation and can vary plus or minus by as much as 40% depending on the factors mentioned above.

Not all phone models are built alike. Some phone models, such as the Nokia 5100/6100 series, will get twice as much standby time as listed on the chart below. Your phone model will get at least as much standby and talk time as is listed below.

Analog vs. Digital Phones - Analog phones can use up to 2 times more power than Digital phones. Some newer phones automatically switch between Analog and Digital signals. Standby and Talk Time will vary greatly for these phones depending on the amount of time each signal is utilized.

NiMH vs. Li-Ion Batteries -Li-Ion batteries will typically provide 30% - 40% more Standby and Talk Time than NiMH batteries of the same capacity (measured in mAh - mili-amp-hours).

Note: mAh – stands for "milli Amp hours" and is the measurement of a battery’s storage capacity.

Standby and Talk Times are slightly different for different batteries. The following list is an indication of average Standby and Talk Times (+/- 10%). Please note that some models of phones have extremely good power management. For example, the Nokia 5100/6100 series of phones can expect to get as much as twice the standby time as what is listed in the table!

NiMH - Analog Phone NiMH - Digital Phone

mAh Standby Talk Time mAh Standby Talk Time
600 12 hours 1 hour 15 minutes 600 24 hours 1 hour 40 minutes
700 14 1 hour 30 minutes 700 28 hours 1 hour 50 minutes
900 18 hours 1 hour 50 minutes 900 36 hours 2 hours 20 minutes
1200 24 hours 2 hours 30 minutes 1200 48 hours 3 hours 10 minutes
1500 30 hours 3 hours 1500 60 hours 4 hours
1900 38 hours 3 hours 50 minutes 1900 76 hours 5 hours
2200 44 hours 4 hours 30 minutes 2200 88 hours 5 hours 50 minutes
2500 50 hours 5 hours 2500 100 hours 6 hours 30 minutes
2700 112 hours 5 hours 25min 2700 108 hours 7 hours 10 minutes

Li-ION - Analog Phone Li-ION - Digital Phone

mAh Standby Talk Time mAh Standby Talk Time
600 16 hours 1 hour 40 minutes 600 32 hours 2 hours 10 minutes
700 18 1 hour 50 minutes 700 36 hours 2 hours 30 minutes
900 23 hours 2 hours 20 minutes 900 46 hours 3 hours 10 minutes
1200 31 hours 3 10 minutes 1200 62 hours 4 hours 10 minutes
1500 39 hours 4 hours 1500 78 hours 5 hours 10 minutes
1900 49 hours 5 hours 1900 98 hours 6 hours 30 minutes
2200 57 hours 5 hours 50 minutes 2200 114 hours 7 hours 30 minutes
2500 65 hours 6 hours 30 minutes 2500 130 hours 8 hours 30 minutes
2700 70 hours 7 hours 10 minutes 2700 140 hours 9 hours 10 minutes
3200 83 hours 8 hours 20 minutes 3200 166 hours 10 hours 50 minutes
3800 100 hours 10 hours 3200 200 hours 13 hours

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