The smartphone industry is getting smarter by the day by introducing features like better display, powerful specifications, impressive camera, great interface and more gesture controls. But powerful display, bigger processor and more RAM memory requires more battery life than before.
Most smartphones offer an optimum battery life of a day, but there are users who require a long battery life. One easy solution to fulfil the requirement is to buy an additional battery and hot swap when required, but a smartphone battery costs more per mAh. Another solution is to buy a power bank and charge the smartphone whenever required. But if you're not satisfied with the above-mentioned solutions, it's time to buy a new smartphone with a long battery life. Yes, there are numerous smartphones available with a long battery life. Here is our pick of 10 cheapest smartphones that have a long battery life:
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Gionee Marathon M3 - The smartphone boasts a 5-inch 720P display powered powered by a 1.3GHz processor alongside 1GB RAM and 8MP rear camera. But, the key feature of M3 is it's 5,000 mAh of battery. Priced at Rs 11,999, M3 is one of the best smartphones for battery-conscious customers.Gionee 
Mitashi Play ThunderBolt - Inheriting the powers of a smartphone and gaming console, the Play Thunderbolt smartphone has been designed for the youth. Sporting a 12.7cm HD IPS screen with 1280 x 720p resolution and 320 dpi touchscreen, the Play Thunderbolt smartphone is encased in a heavy metal body. The Android joystick makes it the most distinct looking phone in the market. Powered by a 1.2GHz processor with a PowerVR SGX 544 Mhz GPU coupled with 1GB of RAM and 16GB of Internal memory, the Play Thunderbolt smartphone has an expandable of memory of up to 64GB. The dual sim smartphone comes with 3G video calling support and a mammoth battery life of 4200 mAh.Mitashi 
Gionee M2 - The Gionee M2 is driven by a Quad-core 1.3 GHz quad core processor, 1GB RAM and incorporates 5-inches TFT capacitive super sensitive touchscreen. It also boasts a DUAL SIM functionality and runs on Android v4.2 (Jelly Bean) operating system with features like 3G Wi-Fi connectivity, GPRS, Bluetooth and GPS support. With its Li-Ion 4200 mAh battery capacity, Gionee M2 gives a really smart power backup.Gionee 
Lenovo S860 - Lenovo S860 smartphone comes with 5.30-inch 720x1280 display powered by 1.3GHz processor alongside 2GB RAM and 8-megapixel rear camera. Powered by a 4000 mAh battery and 2GB of RAM, the Lenovo S860 lets you see and do more — all day long.Lenovo 
Micromax Canvas Power A96 - Micromax Canvas Power A96 is a smart budget friendly smartphone with a 1.3 GHz Quad core processor, 512MB RAM and an internal memory of up to 4GB which is expandable up to 32GB. Incorporating a 5-inch FWVGA display with a resolution of 480 x 854 pixels the Canvas Power A96 gives a really smart power backup with its 4000 mAh battery capacity.Micromax 
Xolo Q3000 - A 4.2 Jelly Bean Android Smartphone with 2GB RAM, 5.7 inch HD IPS display, 1.5 GHz Quad Core Processor, 13MP Rear and 5 MP Front camera. But the key feature of this smartphone is it's 4,000 mAh battery.Xolo 
Spice Stellar 518 - Featuring a 4000 mAh battery, the Spice Stellar 518 comes equipped with 3G connectivity, 8MP rear camera, qHD display and 8GB inbuilt memory.Spice 
Lava Iris Fuel - Lava Iris fuel 60 comes with a massive 4000 mAh battery with talktime of up to 32 hours on 2G or 13.5 hours on 3G, 5-inch HD IPS display, corning gorilla glass, 1.3GHz processor, 1GB RAM and a 10MP rear camera.Lava 
Intex Aqua Power HD - As the name suggests, Aqua Power's USP is its battery back-up. It boasts of high-capacity 4000 mAh cell, which can run the phone for up to 11 hours of talktime and close to 500 hours (around 20 days) under standby mode. The new Intex smartphone also boasts of 1.4GHz MediaTek Octa-core CPU backed by Android 4.4.2 KitKat OS, 1GB RAM and 8GB inbuilt memory (expandable up to 32GB).Intex 
Acer Liquid E700 - The Liquid E700 comfortably fits into the affordable device category with impressive specs. It has a 5-inch 720p IPS display with a 1.2GHz quad core MediaTek processor running the show. Like the Jade model, the E700 features 2GB RAM, 16GB built-in storage with expandable option up to 32GB. The Acer device features an 8-megapixel rear-facing camera and a 2MP front shooter. It has a massive 3,500mAh battery good for 24 hours of talktime, 60 hours of standby time and 12 hours of video viewing and 100 hours of music playbackAcer
