As we know Verizon Droid RAZR MAXX HD (XT926) is an upgrade version of the original RAZR HD, since the Maxx version has a more battery size, 3300 mAh, 770 mAh (23.3%) more when compared to the original version which has a 2530 mAh battery. Motorola claims that you can watch HD resolution video for 13 hours or using Maps and GPS with voice navigation for 8 hours with a single charge.
Motorola claims may be true but it really depends on 4G LTE or 3G signal strength, a number of applications running in background, and how often do you connect to the internet or make phone calls.
Many users are pleased with the battery performance of this smartphone, with a single charge we can easily download 700MB of data via Verizon 4G LTE, internet browsing with Wi-Fi, a lot of phone calls and sms, along with streaming video through Netflix. Everything is done within 17 Hours 2 min, and the remaining battery is 4%. Here are some screenshots of the battery status from several RAZR Maxx HD users.
To improve the battery performance of these devices, Motorola has been filled with Smartactions apps to manage the use of phones so that your smartphone become more power efficient, but we also recommend that you also install extra applications such as Juice Defender that proven to save battery power by controlling the use of data either through 4G/3G or Wi-Fi, it can be more useful if you already rooted. Furthermore, Droid RAZR MAXX HD also comes with a Dual-core Krait S4 CPU, which is the most battery efficient processor type at the moment, which make it still worth buying.