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Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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-------------------------------------- impeham i made my widget to be accurate, the meter is based on actual REAL measurements by me, and the official graphs on LiPo & Li-ion battery's, i removed a *battery*.so file (can't remember where right now), but this removes the battery icon i the main bar (Clock, signal etc....) Also.......................... Please read the posts (1 - 3).......................... |
Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
@impeham, if You're taking Your data from i2c, You already got perfectly real values (*if) Your fuel gauge chip is calibrated properly, see my signature). Chp gives you even more accurate results than dr_frost_dk's meter (with all due respect, and without any offense) - as temporal voltage drop due to usage doesn't affect it. Just be sure, that You're not "bombing" i2c with too many read request (via Your widget) - one for 30 seconds or minute should be more than enough. In other case, You may be wasting battery power.
As for charging, simply use charge.sh script (also mentioned somewhere in my post about calibrating). It doesn't use bme for anything, and charges perfectly. Just remember, that you *can't* use it to charge from PC USB ports, just wall charger and such things (exception for ultra-rare dedicated charging USB ports in some motherboards/notebooks - they're not data port + have higher current limit, so You can use them). don't even try it with Pc ports, as it may make OS to shout at You (in best case) or fry fuse/whatever on PC motherboard, in worst. /Estel |
Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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Greets. |
Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
If i want to allow the device to charge from usb also (because i usually do this), is bme the only option?
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Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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---------------------------- impeham ill let Estel answer, he is more into the deeper workings of the N900 power/charging system |
Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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Alternatively, one could edit charge.sh (*warning!* High level of charging/scripting knowledge required, or face possible hardware damage) to use 100 mA as MAX current. Obviously, such charging would be painfully slow (~13h to charge regular battery, 30h to charge dual-scud :p ), but only 100 mA is allowed from PC USB port, unless proper client negotiation is performed (which is now handled by BME, and allow 500 mA sucking). /Estel |
Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
So go and buy it Yourself, FFS.
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Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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Re: Battery Tests, Homemade 3000mAh XL Battery & Q&A (GOTO POST #1) SCUD is BACK!!!
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Thanks for the help. |
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