Cell Phone Battery Tips & Tricks

New Batteries

New batteries should be fully charged using your overnight charger before use. For the first 3 cycles, a new battery may show a false full charge (as indicated on your phone or charger) and/or the battery may not power up the phone because of low voltage. You should charge new batteries overnight and then fully drain the battery before recharging for at least the first 3 cycles.

Standby & Talk Time

If you've ever purchased a wireless phone or battery, you've heard the terms "Standby" and "Talk Time". Standby time is the estimated time your battery will hold a charge and Talk Time is the estimated time you can talk on your phone before the battery discharges completely. Your battery will discharge at a much greater rate when you're actually talking on it than when it just sits unused. The Standby and Talk Time estimates given by the phone or battery's manufacture are exclusive of each other. In other words it's either X number of minutes for Standby OR number of minutes Talk Time.

There are many factors that will effect your battery's standby and talk time. Some Factors are:

  • Phone Current Consumption
  • Battery Capacity
  • Charger Performance
  • Cellular Network Technology
  • Phone Software and Hardware
  • How Close Your Phone Is To A Cell Site
  • Signal Strength From A Cell Site
  • Phone's Antenna
  • Signal Obstructions (tall buildings, hills, etc.)
  • Phone Features Activated (backlight, minute counters, calculators,
  • etc.)
  • Temperature
  • Amount of Use

Battery Capacity

Capacity changes over product lifetime depending on usage. Capacity is affected by discharge rate - NiCD 1000 mAh battery has a capacity of 1020 mAh at a 180 mA discharge rate, but only 928 mAh at a 900 mA discharge rate. (better capacity in standby mode versus during conversation) Temperature - both high and low temperatures decrease capacity. Battery power is diminished when unused for extended periods.

Charger Performance

Chargers can perform differently at different temperatures.

Batteries & Chargers

Q: My battery keeps going dead. Why won't it hold a charge ?

The battery may not have been conditioned properly. Some new batteries need to be fully drained and fully charged three times when they are new and then once every month after that. The drain can be done during normal use of the phone. Be sure to fully charge your battery each time you charge it. There are a variety of "conditioning" chargers that are available that discharge the battery before charging automatically.

Your battery may be worn out. Most batteries are good for over 500 charges. If you need to discard an old battery, please see the rechargeable Battery Recycling Program below

Q: Do all chargers work with all batteries?

No. Make sure your charger is rated to be able to charge Li-Ion batteries before trying to charge one. NiMH batteries are designed to charge rapidly and require a Rapid Battery Charger.

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