Energizer Energy 400 LTE
The Energizer Energy 400 LTE is a budget-focused device, powered by the Mediatek MT6737M (28 nm), built for basic everyday tasks (2017).
2017 · Entry-level · Android 6.0 (Marshmallow)ⓘ Grades compare this device against others in its own market segment (Budget), not against every device on the site.
⚡ Quick Specs
Size4" · 134 x 72 x 15 mm (5.28 x 2.83 x 0.59 in)
ChipsetMediatek MT6737M (28 nm)
RAM1GB
Storage8GB
Main Camera8 MP · LED flash
⚖️ Compare With
✓︎ Pros
✓3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗Smaller 2,500 mAh battery — may need midday charging
✗Basic Mediatek MT6737M (28 nm) for simple tasks only
✗Only 1GB RAM — apps may reload frequently
✗8 MP main camera — basic quality, limited for photography enthusiasts
⚠️ Not ideal for
Heavy usage daysGamingMultitaskingMultitasking
ℹ️ Overview
Announced
2017, Q3. Released 2017, Q3
⚙️ Performance
Chipset
Mediatek MT6737M (28 nm)
Entry-level — basic tasks only
CPU
Quad-core 1.3 GHz Cortex-A53
OS
Android 6.0 (Marshmallow)
RAM
1GB
Apps may reload frequently
💻 Display
Sharpness
233 ppi
Pixels visible at normal viewing distance
Panel
TN TFT
Standard LCD display
📷 Camera
Main Camera
8 MP
Basic quality — limited flexibility
🔋 Battery
Capacity
2,500 mAh
May need midday charging with heavy use
📱 Design & Build
Weight
204g
On the heavier side — noticeable in pocket
Dimensions
134 x 72 x 15 mm (5.28 x 2.83 x 0.59 in)
SIM
Hybrid Dual SIM (Micro-SIM, dual stand-by)
📶 Network
2G Bands
GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
❓ Frequently Asked Questions
No, the Energizer Energy 400 LTE does not support 5G — it supports GSM / HSPA / LTE.
No, the Energizer Energy 400 LTE does not have NFC.
The Energizer Energy 400 LTE is rated IP67 — IP67 dust/water resistant (up to 1m for 30 min).
Yes, the Energizer Energy 400 LTE supports microSDXC expandable storage.
Yes, the Energizer Energy 400 LTE supports dual SIM (Hybrid Dual SIM (Micro-SIM, dual stand-by)).
Yes, the Energizer Energy 400 LTE has a 3.5mm headphone jack.
Speaker setup: Yes.
The Energizer Energy 400 LTE ships with Android 6.0 (Marshmallow).
The Energizer Energy 400 LTE uses microUSB 2.0.
The Energizer Energy 400 LTE supports Wi-Fi 802.11 b/g/n.
The Energizer Energy 400 LTE has 4.0, A2DP, LE.
