Phone42.com
Energizer

Energizer Energy 400 (2015)

Android OS v4.4 (KitKat)
Mediatek MT6572
Mali-400 MP1
512 MB / 4 GB
4 inch (480 x 800 px)
8 MP, 3264 x 2448 px, autofocus

The manufacturer offers this phone with a 4 inch IPS display, a Mediatek MT6572 SoC, and 512 MB of RAM.

Explore its upsides and downsides!

Table of Contents

This article shares our personal experiences and thoughts about using the Energizer Energy 400 smartphone. We hope to offer helpful insights to others interested in this device.

Energizer Energy 400 / 1

Energizer Energy 400 specifications

BrandEnergizer
NameEnergy 400
ModelE400
Release date2015

Weight, dimensions, colors

Weight12.95 oz
Dimensions5.3 x 2.9 x 0.74 inch
Colorsblack
SIM typeMini SIM

The weight of Energizer Energy 400 is about 12.95 oz with battery. This is average for smartphones of the same size.

System, chipset, performance

OS versionAndroid OS v4.4 (KitKat)
SoCMediatek MT6572
CPUDual-core 1.3 GHz Cortex-A7
GPUMali-400 MP1

The Energizer Energy 400 comes with Android OS v4.4 (KitKat) out of the box. Google has integrated many services with Android. These include Google Maps, Gmail, and Google Drive. This Mediatek MT6572 CPU can be fast enough for basic phone operations. Many mobile devices use ARM Mali GPUs. They are well known for their good performance and power efficiency.

Energizer Energy 400 / 1

Display type, size, resolution

Display typeIPS
Screen size4 inch
Resolution480 x 800 px
Multitouch supportyes

The 4 inch IPS display has better features. These include optimal viewing angles, color accuracy, and unchanging color reproduction. Smaller smartphones are generally more compact and easier to handle. The size of the screen is measured diagonally, from corner to corner.

Memory, storage

RAM512 MB
Internal storage4 GB
Memory card slotmicroSD

512 MB of RAM is not typically considered to be enough for a smartphone. Having more RAM alone does not guarantee better performance. Most people think a smartphone needs at least 32 GB of storage. The Energy 400 has only 4 GB. We can expand the internal storage (4 GB) with a compatible microSD card.

Energizer Energy 400 / 2

Cameras, flash

Main camera8 MP, 3264 x 2448 px, autofocus
FlashLED
Selfie camera1.3 MP

This single camera can be enough for many smartphone users, it depends on their photography needs and preferences. The Energy 400 does not have optical image stabilization (OIS).

Connectivity, network, wireless

GSM 2G bands850 / 900 / 1900
Network coverage2G / 3G
Wi-FiWi-Fi 802.11 b/g/n
Bluetoothv4.0, A2DP
GPSA-GPS
NFCno
FM radioyes
USBmicroUSB 2.0
Headphone3.5 mm jack

The 3G is obsolete now, because most phones can use 4G and 5G networks. This phone like all modern smartphones, is capable of connecting to Wi-Fi networks. The Energy 400 smartphone is capable of connecting to Bluetooth devices. This phone has a built-in GPS. The phone isn't NFC (Near Field Communication) capable. NFC is not essential for basic phone functionality, but it can be useful. The 3.5 mm headphone jack allows us to connect wired headphones or earphones to the device.

Battery type, capacity, charger

TypeLi-Ion 2400 mAh

The Li-Ion 2400 mAh battery gives the smartphone a good battery backup. The Li-ion is a low maintenance battery. It does not need periodic full discharge. We can simply buy a new battery from the open market and interchange it by ourselves.

Features, sensors, specials

Sensorsaccelerometer, light, proximity
SpecialsCertified IP68 dustproof and waterproof

Today, smartphones come with many sensors. They help make the user experience better. The accelerometer provides information about the smartphone's movement in three axes. These are X (horizontal), Y (vertical), and Z (depth). The light sensor detects the level of light in the environment. The IP68 rating indicates that Energy 400 smartphone is resistant to water ingress.

Verdict, pros and cons

Every phone has its strengths and weaknesses, and this Energizer phone is no exception. As with any device, there are aspects that shine and others that fall short. By examining both sides, we can paint a complete picture of what this phone has to offer. Let's explore its standout features and areas for improvement. Remember, this is just my opinion, and yours might be different.

Pros

  • microSD slot
  • IP68 certified protection

Cons

  • limited-size screen
  • insufficient memory
  • insufficient internal storage
  • single camera setup
  • no OIS function
  • no 4G support
  • no 5G support
  • no NFC feature
  • no Type-C USB port
  • low-capacity battery
  • no digital compass
  • no fingerprint reader
Add Energizer Energy 400 to your comparison

Please let us know if you find incorrect information or something isn't working. Also, tell us if you have a suggestion for improvement.

Lucas Bradley I'm Lucas Bradley, the founder of the Phone42.com site. I love technology, especially smartphones, and I've been working with tech stuff for more than 20 years. This means I've seen a lot of changes and have learned a bunch about what makes a good phone. On Phone42.com, I look at all kinds of phones. They can be from big, well-known companies or new ones trying to make their mark. I want to help people understand what's new and cool in the world of smartphones, in a way that's easy to get.
Phone42.com / Smartphones / Energizer / Energizer Energy 400