Question about Dual Electronics CECT P168 Cellular Phone

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I have a problem..... The two my batery (1000 mAh) last only 30 hours...why.... Thank you....

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Some rechargeable batteries have to be fully discharged before being recharged, if not they retain a "memory" and only charge part way, not fully and will continue to do so, hence the memory thing. If full discharge is done and still won't charge fully then I'm afraid your battery is goosed and will need replacing :( Sorry. hope that helps.

Posted on Oct 02, 2009

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Posted on Jan 02, 2017

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Can 1.2Vlt 800 mAh battery 1.2 volts instead of 630 mAh battery used in this device? ..


Hi
There should be no problem at all. The designations you show are both for 1.2 volts. The mAh specification refers purely to the capability of the rechargeable to deliver current over a period of time. 800 mAh will deliver 800mA for 1 hour or 400mA for 2 hours. Hence the 630mAh battery under fully charged condition will not last as long as the fully charged 800mAh battery when supplying the same current in the same application.
Hope this is helpful, if so would you please register that with Fixya
Cheers

Dec 30, 2014 | Cameras

1 Answer

What does the abbreviation mAh stands for


milliampere-hours.
1 Ah = 1000 mAh
It is a unit of electrical charge, often used when quoting battery capacity.

1,120 mAh implies that the supply give 1120 mA for 1 hour, or 560 mA for 2 hours, etc, It also implies that a 560mAh battery would have half the lifetime of an 1,120 mAh one over one discharge cycle.

These numbers are produced in a laboratory with instruments designed to measure that parameter and your batteries will often not perform as well as you might expect, because eg, when partially discharged, their voltage can drop slightly, and even when 'empty' they will in fact have some residual charge (unless they have been 'on' for a very long time)

11.August.2014

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1 Answer

How many hrs does it take to charge


It all depends on how much current is used to charge the battery. Say you have a 500 mah battery charging at 100 ma. It should take about 5 hours. But if it's a higher capacity battery of 1000 mah it will take the same charger more hours.

Apr 20, 2014 | Energizer Rechargable Battery with Charger

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Philips SE 455 twin set cordless: The charge lasts less than an hour when using speaker phone, so I am looking for replacement batteries. Phones only 2-3 years old and absolutely fine in all other...


A higher capacity battery should work even better because a fully charged 900 mAh battery allows the phone to operate 50% longer than a 600 mAh battery between charges. I have had good results with Rayovac Recharge Plus 900 mAh in my Philips SE450. This phone will latch and not operate upon ringing if it doesn't like its batteries (probably high internal resistance), even though the batteries test good on a battery tester.

Jun 28, 2011 | Philips 2252 Twin Cordless Phone

1 Answer

FOR HOW LONG CAN THE BATTRY LAST BEFORE YOU CHANGE IT


How Long Does the Nokia E65 battery REALLY last?
Ever wonder how long the phone battery actually lasts? For the first use of my Nokia E65, I charged the phone for 24 hours after receiving it (still not sure if this is necessary), then took it off the charger Saturday afternoon. The battery low warning first sounded 54 hours later. This was after
•Calls: Around 15 calls made and about 3 calls received, with almost 40 minutes call duration in total.
•Data: 726kb data sent and 3.96mb downloaded
•WIFI: About 20 minutes of WIFI use
•Applications: Use of Skype and Gmail application as well as a bit of Nokia Maps and Google Maps
The battery eventually gave up after 2 more hourse of standby. The Nokia website says the following about the Nokia E65 battery:
•BP-4L 1500 mAh Li-Po standard battery
•Talk time (maximum): GSM up to 11 hours; WCDMA up to 4h 40 min
•Standby time (maximum): GSM up to 18 days; WCDMA up to 20 days;WLAN idle up to 170 hours

If you are wanting to make comparisons with the Nokia E71 battery life, this is what the Nokia website claims for the Nokia E71. The Nokia E65 and E71 both use the same battery - BP-4L 1500 mAh Li-Po battery but E71 is slightly more demanding on the battery life.
•Talk time:- GSM up to 10 h 30 min- WCDMA up to 4 h 30 min
•Standby time:- GSM up to 17 days- WCDMA up to 20 days- WLAN idle up to 166 hours
If you are willing to help, maybe you can do the same experiment for your Nokia E65. Use the call logs and the data counter under "Connectivity" and measure how long your Nokia E63 battery lasts with "normal" usage. Report your findings in the comments below and someone just as curious as you googling battery life E65 will also benefit from your efforts.
Your mobile habits may not be as demanding as me but I hope this helped you in your battery life calculations for the Nokia E65.
To charge a battery from empty to full, it took 2 hours and 40 minutes


....... If you are willing to help, maybe you can do the same experiment ... It lasts me about 40 hours before I get a battery low warning .... I got my Nokia E65



Jan 05, 2011 | Nokia e65 Cellular Phone

1 Answer

Zoom H4 Battery Problem


I am having the same problem with my Zoom-H2. I have 2 2650 mah rechargeables, and the draw is such that 20-30 minutes of record &/or playback kills the batteries. Last night I just turned the power on and did nothing. 5 hours later the batteries were dead...

This isn't a solution. It is a reaffirmation that you aren't crazy!

Jan 05, 2010 | Zoom H4 Handy Recorder

3 Answers

Initial charging time


hi there
the first charge should be around 12 hours, this then teaches the battery its max load.
ignore the charger if tells you its charged after a couple of hours.
after the first charge use as normal.

hope this helps

beergut707

Oct 09, 2008 | Sony AA Nimh 2500 Mah Rechargeable Battery

2 Answers

Re: Tevion Sound Wireless Headphones - Model No 82010 I puarchased the above on the 31.7.08 I can recharge the 2 NMH AAA batteries rated 500mah (as supplied) on the transmitter o.k. I have however,...


CHARGE THE NEW AKUS IN ANOTHER CHARGER AND THEN USE THEM AS USUALY.
SEE THE CURENT SUPPORTED BY THE ORIGINAL GHARGER,
IF IT IS AT LEAST 100mA , IT SHOULD CHARGE YOUR NEW AKU ! BUT MAYBE THE CIRCUIT INSIDE TX DO NOT SUPPORT
AKUS BIGGER THAN 500mAh .
YOU SHOULD RESPECT THE SPECIFICATIONS GIVEN BY THE PRODUCER AND IT WILL BE OK !

Aug 05, 2008 | Audio Players & Recorders

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