Lava Mobiles — Lava pixle v2/Battery back issue

Address:

110068

Battery backup very poor not asper specification.
As per your specification battery 3G talk time 09 hours but practically only 03:51 hours .I am very unhappy with Lava mobile with this fraud
Kindly do needfull help or replace the set.
Very poor battery backup I am very unhappy with this type of frauds by Lava mobile please help.
Fraud or wrong information given by mobile company. After seeing specifications customers purchase mobile company showing battery backup.
Mobile company showing specification are:

Model Pixel V2
Operating System Android v5.1 (Lollipop)
SIM Slot(s) Dual SIM, GSM+GSM
SIM Size SIM1: Micro
SIM2: Micro
Network 4G: Available (supports Indian bands)
3G: Available, 2G: Available
Fingerprint Sensor No
Quick Charging No
Design
Dimensions 141.6 (H) x 70.8 (W) x 7.6 (T) mm
Weight 128 grams
Colours Black, Blue, White
Display
Good
Screen Size 5.0 inches
Screen Resolution HD (720 x 1280 pixels)
Pixel Density 294 ppi
Display Type IPS LCD
Screen Protection Yes
Touch Screen Yes, Capacitive Touchscreen, Multi-touch
Screen to Body Ratio 68.59 %
Performance
Good
Chipset MediaTek MT6735
Processor Quad core, 1 GHz, Cortex A53
Architecture 64 bit
Graphics Mali-T720 MP1
RAM 2 GB
Storage
Excellent
Internal Memory 16 GB
Expandable Memory Yes, Up to 32 GB
User Available Storage Up to 11.5 GB

Camera
Main camera
Resolution 13 MP
Sensor CMOS image sensor
Autofocus Yes
Aperture 2.0 F
Optical Image Stabilisation No
Flash Yes, Dual LED Flash
Image Resolution 4128 x 3096 Pixels
Settings Exposure compensation, ISO control
Shooting Modes Continuos Shooting, High Dynamic Range mode (HDR)
Camera Features Digital Zoom, Auto Flash, Digital image stabilization, Face detection, Touch to focus
Video Recording 1920x1080 @ 30 fps

Front camera
Resolution 8 MP
Sensor CMOS
Flash Yes, LED Flash

Battery:-

Capacity 2500 mAh
Type Li-Polymer
Not User Replaceable Yes
Talktime Up to 10 Hours(3G) / Up to 24.5 Hours(2G)

Network & Connectivity
SIM Size SIM1: Micro, SIM2: Micro
Network Support 4G (supports Indian bands), 3G, 2G
SIM 1 4G Bands:TD-LTE 2300(band 40)
FD-LTE 1800(band 3)
3G Bands: UMTS 2100 / 900 MHz
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz

4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
GPRS:Available
EDGE:Available
SIM 2 4G Bands: TD-LTE 2300(band 40)
FD-LTE 1800(band 3)

3G Bands: UMTS 2100 / 900 MHz
2G Bands: GSM 1800 / 1900 / 850 / 900 MHz

4G Speed: 50 Mbit/s ↑ 150 Mbit/s ↓ (LTE category 4)
GPRS:Available
Wi-Fi Yes, Wi-Fi 802.11, b/g/n
Bluetooth Yes, v4.0
GPS Yes with A-GPS
NFC No
USB Connectivity microUSB 2.0
Multimedia
FM Radio Yes, Recording option
Loudspeaker Yes
Audio Jack 3.5 mm
Special Features
Fingerprint Sensor No
Other Sensors Light sensor, Proximity sensor, Accelerometer