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Energizer Hard Case P28K
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Phone Insight
Full Specifications September 3, 2026
Energizer Hard Case P28K Android 14
Energizer · 2024

Energizer Hard Case P28K

Energizer Hard Case P28K Android smartphone. Announced Feb 2024. Features 6.78″ display, Helio G99 chipset, 28000 mAh battery, 256 GB storage, 8 GB RAM.

Display 6.78"
Chipset Helio G99
RAM 8 GB
Storage 256GB storage, microSDXC
Camera 64 MP
Battery 28000 mAh
OS Android 14
Build 570g, 27.8mm thickness

Launch

Announced 2024, February 25
Status Available. Released 2024, October

Platform

OS Android 14
Chipset Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2

Display

Type IPS LCD
Size 6.78 inches, 109.2 cm 2 (~73.0% screen-to-body ratio)
Resolution 1080 x 2460 pixels (~396 ppi density)

Memory

Card slot microSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM

Main Camera

Triple 64 MP, (wide), PDAF 20 MP 2 MP
Features LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps

Selfie camera

Single 16 MP, (wide)
Video 1080p@30fps

Body

Dimensions 178.1 x 84 x 27.8 mm (7.01 x 3.31 x 1.09 in)
Weight 570 g (1.26 lb)
SIM Nano-SIM + Nano-SIM
bodyother IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min)

Battery

Type 28000 mAh
Charging 33W wired

Sound

Loudspeaker Yes
3.5mm jack No

Comms

WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GALILEO, GLONASS, BDS
NFC Yes
Radio No
USB USB Type-C 2.0

Network

Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66
Speed HSPA, LTE

Features

Sensors Accelerometer, gyro, proximity, compass

Misc

Colors Black
Phone Insight phoneinsight.org/ Printed September 3, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/energizer-hard-case-p28k/

In depth

Full specifications

Announced 2024, February 25
Status Available. Released 2024, October
OS Android 14
Chipset Mediatek Helio G99 (6 nm)
CPU Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55)
GPU Mali-G57 MC2
Type IPS LCD
Size 6.78 inches, 109.2 cm 2 (~73.0% screen-to-body ratio)
Resolution 1080 x 2460 pixels (~396 ppi density)
Card slot microSDXC (uses shared SIM slot)
Internal 256GB 8GB RAM
Triple 64 MP, (wide), PDAF 20 MP 2 MP
Features LED flash, HDR, panorama
Video 4K@30fps, 1080p@30fps
Single 16 MP, (wide)
Video 1080p@30fps
Dimensions 178.1 x 84 x 27.8 mm (7.01 x 3.31 x 1.09 in)
Weight 570 g (1.26 lb)
SIM Nano-SIM + Nano-SIM
bodyother IP68/IP69 dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min)
Type 28000 mAh
Charging 33W wired
Loudspeaker Yes
3.5mm jack No
WLAN Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth 5.2, A2DP, LE
Positioning GPS, GALILEO, GLONASS, BDS
NFC Yes
Radio No
USB USB Type-C 2.0
Technology GSM / HSPA / LTE
2G bands GSM 850 / 900 / 1800 / 1900
3G bands HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66
Speed HSPA, LTE
Sensors Accelerometer, gyro, proximity, compass
Colors Black
Price About 250 EUR
PhoneInsight Benchmark
50.7/100
Mid-range

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 39.6
Display 66.7
Camera 76.2
Battery 87.2
0.3%Popularity rank
356,665 hitsTotal views
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