Energizer Hard Case P28K specifications
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The Energizer Hard Case P28K is a rugged Android 14 smartphone announced at MWC 2024, famous for packing the world's largest smartphone battery at launch — a massive 28000 mAh cell with 15W charging. It pairs a 6.78-inch 120Hz FHD+ IPS LCD and a MediaTek Helio G99 chipset with a 108MP main camera in a chunky, durable shell.
See full specifications below ↓Strengths
- Pro: Record-setting 28000 mAh battery — weeks of real-world endurance
- Pro: Rugged, durable build aimed at outdoor and industrial use
- Pro: Large 6.78-inch 120Hz FHD+ display
- Pro: Capable 108MP main camera with MediaTek Helio G99
- Pro: Ships with Android 14 out of the box
Weaknesses
- Con: Extremely heavy at 570g and thick at 27.8mm — barely pocketable
- Con: Only 15W charging means very long full-charge times for the huge battery
- Con: Helio G99 is mid-tier, not suited for heavy gaming
- Con: Single memory variant (8/256GB) limits choice
- Con: LCD panel and modest brightness rather than OLED
Full Specifications
Display
6.78"
Screen Size
120Hz
Refresh Rate
2.7MP
Resolution
- Size
- 6.78 inches
- Resolution
- 1080 x 2460 pixels
- Aspect Ratio
- 18:41
- Pixel Density
- 396 ppi
- Technology
- IPS LCD
- Refresh Rate
- 120 Hz
Chipset & Memory
Helio G99
Chipset
6nm
Process
8GB
RAM
- Chipset
- Helio G99 (6nm)
- Manufacturer
- MediaTek
- Process
- 6 nm
- GPU
- Mali-G57 MC2
- RAM
- 8 GB
- Storage
- 256 GB
Performance
0.4M
AnTuTu
- AnTuTu
- Geekbench 6 (Single)
- Geekbench 6 (Multi)
Camera
108MP
Main Camera
16MP
Front Camera
- Main Camera
- 108 MP, f/f/1.8
- Ultrawide Camera
- 2 MP, f/f/2.4
- Front Camera
- 16 MP
Battery
28000 mAh
Battery
- Capacity
- 28000 mAh
Design
570g
Weight
178.1x84x27.8
Dimensions (mm)
- Form Factor
- Bar
- Dimensions
- 178.1 x 84 x 27.8 mm
- Weight
- 570 g (20.11 oz)
Connectivity
5.2, A2DP, LE
Bluetooth
Wi-Fi 802.11 a/b/g/n/ac, dual-band
WiFi
- Bluetooth
- 5.2, A2DP, LE
- WiFi
- Wi-Fi 802.11 a/b/g/n/ac, dual-band
- USB
- USB Type-C 2.0
- GPS
- GPS, GALILEO, GLONASS, BDS
- NFC
- yes
Network
4G
LTE
3G
UMTS
2G
GSM
- Network Bands
- GSM: 850, 900, 1800, 1900; WCDMA: B8, B5, B4, B2, B1, 850 (850), 900 (900), 1700 (1700), 1800 (1800), 1900 (1900), 2100 (2100); LTE: B66, B41, B40, B39, B38, B28, B2, B4, B5, B7, B1, B8, B12, B17, B20, B3, B71 (600), B13 (700), B19 (800), B18 (800), B26 (850), 900 (900), B32 (1500), 1800 (1800), 1900 (1900), B25 (1900), B34 (2000), B30 (2300)
Features and specifications are subject to change without prior notification.
