I just purchased the motorola A780 . I fully charged the battery and then took it off and the battery became fully drained. I took it back to the store and they gave me a brand new phone. The battery still doesn't last as long as its suppost to. After 10 hours of not using the phone, a battery log is down, 5 hours after that, the battery is fully dead. How do I prolong that battery life and is their any settings or programs running on my phone that I can shut off to fix this problem?
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when charging a new battery for the FIRST time, most require a full 24 hours to be properly charged. Failing to do this will drastically diminish the life of the battery. If you did fully charge the battery the first time, another issue is recharging after EVERY use vs charging when completely drained. Battery will develop memory (although the manf. will say other wise). If you charge after every use and have only used a third of the charge, after a few time of doing this, you will notice that the battery will not last as long. Try one more battery in just one raido. Fully charge it the first time and only recharge when COMPLETLY drained. If the battery is still not holding a charge, it is most likly a short in the radio itself. Return it.
Go to teh phone settings, and under sync accounts disable all teh sync accounts that you are not using such as stocks etc. These constantly use up data and hence drains your battery as they do so in teh background. This should greatly improve your battery. If not, your battery must eb damaged and i woudl suggest you purchase an extended battery which may have up to 40% more battery life.
Generally most batterys are left on the charger overnight, thats a good way to ensure a full charge, but as you will be using it in your car, it doesn't matter much as power is always available.
To ensure best possible battery life when you have a brand new battery, charge it fully and then drain it almost to 0% Draining most batterys into 0% will be harmfull instead of helpful, I assume the nuvi uses a Li-ion battery so draining it fully is not a good idea, drain it almost fully and then charge it fully.
And you are good to go, repeat the process if you leave the unit unused for a month or two for best battery life.
I'm assuming you're using the NiCd batteries. NiCd batteries do not last forever and need to be replaced when they show a resistance to beign charged. To optimize the life of these batteries you need to let them fully discharge before attempting to charge them. This is impractical most of the time.
You have two choices:
1. Purchase a NiMH charger and AA batteries and use that INSTEAD of the CHARGER STAND and NiCd batteries. This type of battery can be recharged without the problems discussed earlier and will last longer... or
2. Purchase another NiCd battery pack.
If you purchase and install the Motorola Phone Tools (http://direct.motorola.com/hellomoto/phonetools/), the software will update the firmware in your phone when you connect it and run the update tools. It walks you through this (and makes you do it) when you start the software for the first few times.
This may help with battery life, but also keep in mind new batteries can be found on eBay for less than a dollar. Also, a good tip with any rechargable device is to charge it completely when you first get the battery, and then drain it completely without charging it right after that. This helps to set the "life" of the battery, and will generally increase the lifespan of it significantly.