Unofficial Mackie User Forums > DL1608/DL806/DL32R/ProDX Mixers

Ipad 2 Battery Life Where did it go?

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JohnMHoyt:

--- Quote from: stevegarris on January 07, 2017, 08:04:52 PM ---
Sounds terrible. That's one more reason why I've avoided updates. I'm running my iPad on ver 7.1, and it uses 15 - 20% battery power for a typical night of mixing. I do use the lowest screen brightness inside, but for daytime shows I run it full brightness. I did a 5 hour outside show this summer without running too low.

--- End quote ---

These are always on once the show starts - even through the breaks.   I run tango, streaming music to the airport express from my personal ipad (used for my in-ear mix), that is controlled out front by the iPad Pro.
We record everything from the first set to the last song....   Which goes to a USB HD, not the iPad, but still, we don't want sleeping iPads.
Brightness cannot be at the lowest setting because of stage lights, and sometimes outdoor daylight gigs...

We also make use of the real time analyzer quite a bit too, as some of the venues we play have drastically changing EQ throughout the show, as doors open, people come and go, the crowd moves from the seating areas to the dance floor....   The RTA is one reason why people say our crappy sound system sounds so good - because we keep it very consistent, fixing any issues as they arise and sometimes before.  We almost never have feedback, maybe twice in two years.

The battery budget is probably impacted by the iOS update more than MF, but either way, I don't know what to do about it other than watch it deplete and worry as it drops. hehe

WK154:
So John why not use one of these?
http://www.ebay.com/itm/12000mAh-Dual-USB-Power-Bank-External-Battery-Portable-Charger-For-Cell-Phone/252530083399?_trksid=p2060778.c100275.m3474&_trkparms=aid%3D333008%26algo%3DRIC.MBE%26ao%3D1%26asc%3D20140723144412%26meid%3D1ff0c251cb6d440897c74da584221dbd%26pid%3D100275%26rk%3D2%26rkt%3D4%26sd%3D151671391791

Tape it to the iPad

JohnMHoyt:

--- Quote from: WK154 on January 08, 2017, 02:54:00 AM ---So John why not use one of these?
http://www.ebay.com/itm/12000mAh-Dual-USB-Power-Bank-External-Battery-Portable-Charger-For-Cell-Phone/252530083399?_trksid=p2060778.c100275.m3474&_trkparms=aid%3D333008%26algo%3DRIC.MBE%26ao%3D1%26asc%3D20140723144412%26meid%3D1ff0c251cb6d440897c74da584221dbd%26pid%3D100275%26rk%3D2%26rkt%3D4%26sd%3D151671391791

Tape it to the iPad

--- End quote ---

I have those, and chargers....  just in case.   

WK154:
A handy tool to answer all those nagging questions. I have two older units that are always there to verify those specs.
http://www.ebay.com/itm/USB-Volt-Current-Voltage-Doctor-Charger-Capacity-Tester-Meter-Power-Bank-FCC1-/322118709721?var=&hash=item4affc571d9:m:mMGQnbxqrOL2e4Ur2005mrQ
Check the required charge to get the battery to max. Remember that you are charging at 5 Volts and the batteries are rated at 3.6-3.7 Volts. The charger has some minor losses but in all it should be close. Remember your starting point as well (ie. 10%) and compensate. Not complicated.

JohnMHoyt:
Be warned - I've sold a bunch of these import testers (i run an IT company) and they vary wildly...  one even had a direct short and when the client plugged it into his ecig which doubles as a power bank, it caused the battery to burst into flames within a few seconds. So many of these power banks have no fuse protection at all.

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