86% SPEC SCORE
$293
The Energizer Hard Case P28K comes with a powerful Android 14, ensuring enhanced functionality and smooth multitasking. It features a huge 6.78-inches sharp FHD+ display, perfect for both work and entertainment. Get smooth, responsive performance for effortless day-to-day usage. With a Power through your day with Exceptional 28000 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $292 this device is budget-friendly and it’s offers incredible value, blending performance, style, and affordability.
Energizer Hard Case P28K Key Features
Display
6.78 inches (1080x2460 pixels) FHD
120Hz Refresh rate
Camera
64+20+2 MP (Triple Camera)
16 MP Selfie 4K Video
Hardware
MediaTek Helio G99 (6 nm)
OS
Android 14
Ram & Storage
8GB + 256GB
Battery
28000mAh
wired, 33W
Data Updated on: 21 Aug, 2026
Energizer Hard Case P28K Pros & Cons
By Amit Dubey | on 16 September 2026
6.4
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
28,000mAh battery is the headline reason to consider it.
Large 6.78-inch display with a 120Hz refresh rate.
Sharp 1080 x 2460 resolution.
256GB storage at a low mid-range price.
8GB RAM, not a bare-minimum configuration.
Cons
Size and weight are the obvious battery trade-off.
No 5G on the Helio G99 platform.
Helio G99 keeps performance expectations modest.
Android version and update policy are not specified.
Energizer Hard Case P28K Price and Full Specifications
Launch Date
| Announced Date | 25 Feb, 2024 |
| Status | Available |
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G bands | LTE |
| Speed | HSPA / LTE |
Display
| Screen Size | 6.78 inches, 109.2 cm² (~73% screen-to-body ratio) |
| Display Type | IPS LCD |
| Resolution | 1080 × 2460 pixels (FHD) |
| PPI | 396 ppi |
| Refresh Rate | 120Hz |
Performance
| Processor (SoC) | MediaTek Helio G99 (6 nm) |
| Fabrication process | 6nm |
| CPU | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| CPU cores | 8 |
| GPU | Mali G57 MC2 |
Benchmarking
System Performance
Energizer Hard Case P28K
Overall Score
...
AnTuTu
Geekbench 6 Single-Core
Storage
| Memory | 8GB + 256GB |
| Memory Card Slot | microSDXC (uses shared SIM slot) |
Camera
REAR CAMERA | |
| Type | Triple camera |
| Primary | 64 MP, (wide), PDAF |
| Secondary | 20 MP |
| Tertiary | 2 MP |
| Features | LED flash, HDR, panorama |
| Video Recording | 4K @30fps 1080p @30fps |
FRONT CAMERA | |
| Type | Single camera |
| Primary | 16 MP, (wide) |
| Video Recording | 1080p @30fps |
Battery
| Battery Capacity | 28000mAh |
| Battery Removable | No |
| Charging | 33W wired |
Software & OS
| Operating System | Android 14 |
Design
| Dimensions | 178.1 x 84 x 27.8 mm (3.31 x 1.09 in) |
| Weight | 570g (20.11 oz) |
| Color Options | Black |
| Water & Dust Resistance | IP68/IP69 Dust tight and water resistant (high pressure water jets; immersible up to 1.2m for 30 min) |
| Sim Card Types | Nano-SIM + Nano-SIM |
Connectivity
| WLAN | Wi-Fi 802.11 a/b/g/n/ac |
| Bluetooth | 5.2, A2DP, LE |
| Positioning | GPS, GALILEO, GLONASS, BDS |
| NFC | Yes |
| Radio | No |
| Infrared-port | No |
| USB Version | USB Type-C 2.0 |
Sound
| Loudspeaker | Yes |
| Sound Jack | No 3.5mm jack |
Sensors & Features
| Sensors | Accelerometer, gyro, proximity, compass |
Additional Info
| Pricing | $292.52 / R$ 1.512.5 / ₹25,499 / £215.88 / €250 / C$403.27 |
What's in the Box
| Energizer Hard Case P28K | Handset, USB-C cable, SIM ejector tool, and quick start guide |
Disclaimer: Information here may not be 100% accurate; please verify specs and prices on the retailer's website before buying. This page contains affiliate links. We may earn a commission if you make a purchase through them, at no extra cost to you. Thanks for your support!
Energizer Hard Case P28K Comparisons
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86% SPEC SCORE
6.78 inches (17.22 cm)
120Hz Display
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16 MP (Single)
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Frequently Asked Questions
What display does the Energizer Hard Case P28K have?
The Energizer Hard Case P28K has a 6.78-inch display with a 120Hz refresh rate. Its 1080 x 2460 resolution gives it a sharp Full HD+ class screen for browsing, video, maps, and everyday Android use. The 120Hz panel is especially useful for smoother scrolling and more responsive-feeling navigation.
Is the Energizer Hard Case P28K good for performance?
The Energizer Hard Case P28K uses a MediaTek Helio G99 chipset built on a 6 nm process, paired with 8GB of RAM. That hardware is suited to common smartphone tasks such as messaging, web browsing, video streaming, navigation, and multitasking. Buyers should view it as a battery-focused Android phone rather than a flagship performance device.
How much storage does the Energizer Hard Case P28K include?
The Energizer Hard Case P28K comes with 256GB of internal storage. That gives buyers a large amount of space for apps, photos, downloaded video, offline maps, and documents. The provided specifications do not list expandable storage, so shoppers should base their decision on the built-in 256GB capacity.
How much does the Energizer Hard Case P28K cost?
The Energizer Hard Case P28K is listed at about EUR 250, GBP 215.88, INR 25,499, or USD 292.52. At that price, its main selling point is the unusually large 28,000mAh battery combined with 8GB RAM and 256GB storage. For buyers prioritizing battery endurance over slimness or flagship specs, it targets a very specific value-focused niche.
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