Top 10 smartphones with maximum battery life under Rs 15,000 (March 2014)

New Delhi: Besides brand, screen size, build quality, and software features, one of most searched aspects of a smartphone is its endurance (or battery life). Running out of juice is still the number one annoyance for many smartphone owners. A lot of factors determine how long a smartphone lasts on a charge, from screen size and the processor to the operating system. And those looking for the longest battery life possible should aim for devices that have a battery capacity of 3,000 mAh (milliamp hours) or more. Some examples include the Gionee M2 and Micromax Canvas Power A96 as you can expect all-day endurance from smartphones like these.We've listed some of the best handsets that can give you decent juice depending upon your usage: Micromax Canvas Power A96Battery size: 4000 mAh, Li-Ion battery5.0 Inch, 480x854 px displayAndroid v4.2 (Jelly Bean)Quad core 1300 MHz processor5 MP Primary Camera, 0.3 MP Secondary512 MB RAM3G, WiFi2.58 GB internal memory, expandable up to 32 GB Gionee M2 Battery size: 4200 mAh, Li-Ion battery5.0 Inch, 480x854 px displayAndroid v4.2 (Jelly Bean)Quad core 1300 MHz processor8 MP Primary Camera, 2 MP Secondary3G, WiFi4 GB Internal Memory, Expandable up to 32 GB1 GB RAMLenovo P770 Battery size: 3500 mAh, Li-Ion battery4.50 Inch, 540x960 px displayAndroid v4.1 (Jelly Bean)Dual core 1200 MHz processor5 MP Primary Camera, 0.30 MP Secondary3G, WiFi4 Internal Memory, Expandable up to 32 GB1 GB RAMMicromax A77 Canvas Juice Battery size: 3000 mAh, Li-Ion battery5.0 Inch, 480x854 px displayAndroid v4.2.2 (Jelly Bean)Dual core 1300 MHz processor5 MP Primary Camera, 0.3 MP SecondaryWiFi1.27 GB Internal Memory, Expandable up to 32 GB1 GB RAM Xolo Q3000 Battery size: 4000 mAh, Li-Polymer battery5.7 Inch, 1080x1920 px displayAndroid v4.2 (Jelly Bean)Quad core 1500 MHz processor13 MP Primary Camera, 5 MP SecondaryWiFi16 GB Internal Memory, Expandable up to 32 GB2 GB RAM iBerry Auxus Nuclea N1 Battery size: 2800 mAh, Li-Ion battery5 Inch, 1080x1920 px displayAndroid v4.2 (Jelly Bean) Quad core 1500 MHz processor13 MP Primary Camera, 8 MP Secondary3G, WiFi4 GB Internal Memory, Expandable up to 64 GB1 GB RAM Karbonn Titanium S9 Battery size: 2600 mAh, Li-Ion battery5.50 Inch, 720x1280 px displayAndroid v4.2 (Jelly Bean) 1200 MHz processor13 MP Primary Camera, 5 MP Secondary3G, WiFi16 GB Internal Memory, Expandable up to 32 GB1 GB RAM Lava Xolo Q2000 Battery size: 2600 mAh, Li-Ion battery5.5 Inch, 720x1280 px displayAndroid v4.2 (Jelly Bean) Quad core 1200 MHz processor13 MP Primary Camera, 2 MP Secondary3G, WiFi8 GB Internal Memory, Expandable up to 32 GB1 GB RAM Micromax Canvas Duet 2 Battery size: 2300 mAh, Li-Polymer battery5.27 Inch, 1280x720 px displayAndroid v4.1 (Jelly Bean)Quad core 1200 MHz processor8 MP Primary Camera, 2 MP Secondary3G, WiFi1.38 GB Internal Memory, Expandable up to 32 GB1 GB RAM Micromax Canvas XL A119 Battery size: 2450 mAh, Li-Ion battery6.0 Inch, 960x540 px displayAndroid v4.2 (Jelly Bean) Quad core 1300 MHz processor 8 MP Primary Camera, 5 MP Secondary 3G, WiFi 1.7 GB Internal Memory, 32 GB Expandable 1 GB RAM