I have iOS 7.1.2 but have noticed recently that my battery runs down quicker than when I first bought my iPad in August 2012

all batteries get worse and worse over time until they stop working

Review some of these links.

iPhone: Hardware troubleshooting (Power/Battery section also applies to iPad)

http://support.apple.com/kb/TS2802

http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain

http://www.overthought.org/blog/2014/the-ultimate-guide-to-solving-ios-battery-d rain

Extend iPad Battery Life (Look at pjl123 comment)

https://discussions.apple.com/thread/3921324?tstart=30

iOS 7 Battery Life Draining Too Fast? It’s Easy to Fix

http://osxdaily.com/2013/09/19/ios-7-battery-life-fix/

Poor battery life after installing iOS 7.1? Try these simple tips

http://www.zdnet.com/poor-battery-life-after-installing-ios-7-1-try-these-simple -tips-7000027348/

Charging Tip - Switching to airplane mode turns off battery-draining wireless and cellular access, allowing your iPhone/iPad to recharge up to twice as fast.

How to Save and Prolong the battery life of your new ipad

https://discussions.apple.com/thread/4480944?tstart=0

Prolong battery lifespan for iPad / iPad 2 / iPad 3: charging tips

http://thehowto.wikidot.com/prolong-battery-lifespan-for-ipad

iPhone, iPod, Using the iPad Charger

http://support.apple.com/kb/HT4327

Install and use Battery Doctor HD

http://itunes.apple.com/tw/app/battery-doctor-hd/id459702901?mt=8

To Extend a Device’s Battery Life, Get to Know It Better

http://tinyurl.com/b67c7xz

 Cheers, Tom 😉