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Energizer Hard Case P28K
Specifications
Price in Bangladesh
| Expected Price | 30,000 |
General
| Device Type | Smartphone |
| Announced | February, 2025 |
| Released | October, 2025 |
| Status | Available |
Hardware & Software
| Operating System OS => Every computer system run on a base software called Operating System (OS). Operating System controls all basic operations of the computer (such as smartphone, PDAs, tablet computers and other handheld devices). The Operating System allows the user to install and run third party applications (apps), apps are used to add new functionality to the device. | Android |
| OS Version | v14 |
| Chipset Chipset is a group of integrated circuits designed to perform one or a more dedicated functions, often with real time computing constraints, Popular smartphones are equipped with more advanced embedded chipsets that can do many different tasks depending on their programming. | Mediatek Helio G99 |
| CPU CPU (Central Processing Unit) mostly known as processors, CPU processes instructions in order to carry out certain functions that make your device operate properly. Processors are often described as the brain of computers, smartphones and tablets, Smartphones and tablets rely on processors to carry out their every task, Processors are an incredibly important factor in selecting any type of computing device, including your smartphone. | Octa-core (2x2.2 GHz Cortex-A76 & 6x2.0 GHz Cortex-A55) |
| CPU Cores | 8 Cores |
| Architecture | 64 bit |
| Fabrication | 6 nm |
| GPU GPU (Graphics Processing Unit) is a single-chip processor designed to rapidly manipulate and alter memory to accelerate the creation of images in a frame buffer intended for output to a display, This includes things such as lighting effects, object transformations, and 3D motion. | Mali-G57 MC2 |
| RAM (Memory) RAM (Random Access Memory) is a type of computer memory that can be accessed randomly, any byte of memory can be accessed without touching the preceding bytes that allows information to be stored and accessed quickly from random locations. RAM is the most common type of memory found in computer systems, smartphones, tablets and other electronic devices. | 8 GB |
Design
| Dimensions | 178.1 x 84 x 27.8 mm (7.01 x 3.31 x 1.09 in) |
| Weight | 570 g (1.26 lb) |
| Colors | Black |
| Water Resistant | Water resistant (up to 1.2m for 30 min) |
| IP Rating | IP68/IP69 |
| Ruggedness | Dust proof |
Display
| Display Type Display Technology => A number of display technologies and types used in mobile phones => TFT (Thin Film Transistor), IPS (In-Place Switching), OLED (Organic Light Emitting Diode), AMOLED (Active-Matrix Organic Light-Emitting Diode), Super AMOLED (an even advanced version of AMOLED), Resistive Touchscreen (Resistive touchscreens contain two layer of conductive material with a very small gap between them which acts as a resistance), Capacitive Touchsceen (Capacitive touchscreen technology consists of a layer of glass coated with a transparent conductor) | IPS LCD |
| Size | 6.78 inches (17.22 cm) |
| Resolution | 1080x2460 px (FHD+) |
| Pixel Density Pixel Density (PPI) is refers to the concentration of pixels on a particular display, measured in pixels per inch (ppi). Pixel density is calculated by dividing the diagonal pixel resolution of a display by its diagonal size, higher pixel density better display quality. | 396 ppi |
| Screen to Body Ratio | 73.0% |
| Touch Screen | Capacitive Touchscreen, Multi-touch |
| HDR 10 / HDR+ support |
Rear Camera
| Camera Setup | Triple |
| Main Camera | 60 MP |
| Second Camera | 20 MP |
| Third Camera | 2 MP |
| Autofocus | Yes |
| OIS | |
| Flash Flash Light => There is commonly two types of flash lights are used in camera mobile phones, LED Flash (LED flash offers lower power consumption with drive circuitry that takes up very little room, LEDs can be strobed faster than any other light source), Xenon Flash (xenon flash produces an extremely intense full-spectrum white light for a very short duration) | LED flash |
| Image | Exposure compensation, ISO control |
| Settings | Exposure compensation, ISO control |
| Zoom | Digital Zoom |
| Shooting Modes | Continuous Shooting, High Dynamic Range mode (HDR) |
| Camera Features |
Auto Flash, Face detection, Touch to focus |
| Video | 4K@30fps, 1080p@30fps |
| Video Recording Features | 3840x2160 |
| Video FPS | 30 fps |
Front Camera
| Camera Setup | Single |
| Secondary |
16 MP, (wide) |
| Video | 1080p@30fps |
| Video FPS | 30 fps |
Battery
| Battery Type Battery Type => Cell phones run on various kinds of batteries depending on the manufacturer, phone size or shape and features. There are basically four types of cell phone batteries => Lithium Polymer, Lithium Ion, Nickel Metal Hydride and Nickel Cadmium. | Li-Ion (Lithium Ion) |
| Placement | Non-removable |
| Capacity Battery Capacity is a measure (typically in Amp-hr) of the charge stored by the battery, and is determined by the mass of active material contained in the battery. The battery capacity represents the maximum amount of energy that can be extracted from the battery under certain conditions. | 28000 mAh |
| Quick Charging | 33W wired |
| USB Type-C | USB Type-C 2.0 |
Storage
| Storage Capacity | 256 GB |
| USB OTG |
Network
| 2G Network |
GSM 850 / 900 / 1800 / 1900 |
| 3G Network |
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100 |
| 4G Network |
1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66 |
| SIM SIM (Subscriber Identity Module) is a small card that contains mobile network subscriber's account information. This allows the phone using the card to attach to a mobile network. The SIM card is most commonly associated with GSM and UMTS mobile networks. Moving a SIM card from one phone to another allows a subscriber to switch mobile phones without having to contact their mobile network carrier. SIM cards can also be used by a phone to store limited amounts of data, such as phone numbers and text messages. | Standard SIM |
Data
| GPRS GPRS (General Packet Radio Service) is a packet oriented mobile data service on the 2G and 3G cellular communication system's global system for mobile communications (GSM), Generally, GPRS is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| EDGE EDGE (Enhanced Data GSM Environment) is a wireless network technology generally considered the next step in the 2G network offers data transfer rates up to four times faster than ordinary GSM networks, Generally, EDGE is used for the purpose of wireless data transfer, such as sharing pictures and videos or browsing the Internet via a mobile phone connection. | |
| Speed | HSPA, LTE |
| Web Browser Web Browser => a web browser is a software application used to locate, retrieve and display content on the World Wide Web, including Web pages, images, video and other files, The primary function of a web browser is to render HTML, the code used to design or markup webpages. | HTML5 |
Messaging
| SMS SMS (Short Messaging Service) is a text messaging service component of phone, Web, or mobile communication systems. It uses standardized communications protocols to allow mobile phone devices to exchange short text messages over the networks. | Yes |
| MMS MMS (Multimedia Messaging Service) is a standard way to send messages that include multimedia content (audio clips, video clips and images) to and from mobile phones over wireless networks using the WAP protocol. | |
| Email Email (Electronic Mail) is a system for receiving, sending, and storing electronic messages, Similar to a letter, email is text messages that may contain files, images, or other attachments sent via the internet to a recipient by using applications and software prograps. An email address is required to receive email, and that address is unique to the user. | Yes |
| IM IM (Instant Messaging) is an exchange of text messages through a software application, it enable you to create a kind of private chat room with another individual in order to communicate in real time over the Internet. | Yes |
Connectivity
| Bluetooth Bluetooth is a wireless communications technology for exchanging data between mobile phones, headsets, computers and other network devices over short distances without wires, Bluetooth technology was primarily designed to support simple wireless networking of personal consumer devices. | v5.2 |
| Wi-fi Hotspot | |
| Infrared Infrared connectivity is an old wireless technology used to connect two electronic devices. It uses a beam of infrared light to transmit information and so requires direct line of sight and operates only at close range. | |
| USB | Mass storage device, USB charging |
| GPS GPS The Global Positioning System is a satellite-based radio navigation system, GPS permits users to determine their position, velocity and the time 24 hours a day, in all weather, anywhere in the world, In order to locate your position, your device or GPS receiver must have a clear view of the sky. | Yes with A-GPS, Glonass |
| NFC NFC (Near field communication) is a set of standards for smartphones and similar devices to establish peer-to-peer radio communications with each other by touching them together or bringing them into proximity, usually no more than a few inches. |
Media
| FM Radio | No |
| Loudspeaker | Yes |
| 3.5mm Jack | No |
| Audio Jack | USB Type-C |
Sensors & Security
| Fingerprint Sensor | |
| Light Sensor | Light sensor, Proximity sensor, Accelerometer, Compass, Gyroscope |
| Face Unlock | Yes |
More
| Made By | USA |
Performance Tests
Energizer Hard Case P28K Price in Bangladesh
The Energizer Hard Case P28K is expected to be priced at ৳30,000 in Bangladesh for its 8GB RAM and 256GB storage variant.
Launched in October 2025, this smartphone is designed for users seeking extreme durability without compromising on performance. The Hard Case P28K stands out with its rugged build, massive 28000mAh battery, solid camera system, and powerful Helio G99 processor. Positioned in the mid-range category, this device is perfect for adventurers, field workers, and heavy-duty users who need long-lasting battery life and military-grade toughness. With IP68/IP69 certification and water resistance, it is a beast that offers reliability both indoors and outdoors.
Energizer Hard Case P28K Specifications
Display and Design
The Energizer Hard Case P28K features a 6.78-inch IPS LCD panel with a crisp Full HD+ resolution of 1080 x 2460 pixels. With a pixel density of 396 ppi and a 73% screen-to-body ratio, it offers vibrant visuals and decent clarity for media consumption and browsing.
Design-wise, the phone is built to endure. Encased in a rugged, water- and dust-proof chassis, it measures 178.1 x 84 x 27.8 mm and weighs a substantial 570 grams, reflecting its heavy-duty construction. It is IP68/IP69 certified, making it resistant to water (up to 1.2m for 30 minutes) and dust—perfect for harsh environments. Available in a classic Black finish, it balances toughness with understated style.
Performance and Processor
Powering the Hard Case P28K is the Mediatek Helio G99 chipset, built on an efficient 6nm process. This octa-core processor (2×2.2 GHz Cortex-A76 + 6×2.0 GHz Cortex-A55) ensures a balance between power and battery efficiency. Coupled with the Mali-G57 MC2 GPU, it offers smooth performance in day-to-day tasks, moderate gaming, and multitasking.
The device comes with 8GB RAM and 256GB of internal storage, providing ample space for apps, media, and documents. If needed, the storage is expandable via USB OTG. Overall, it delivers reliable performance for users needing a rugged smartphone without significant performance trade-offs.
Camera and Video
Photography on the Energizer Hard Case P28K is impressive for a rugged phone. It boasts a triple rear camera setup:
- Main Camera: 60MP
- Secondary Camera: 20MP
- Third Camera: 2MP
Features like auto-focus, exposure control, ISO settings, and an LED flash enhance shooting flexibility. Users can capture detailed shots and enjoy features like HDR, face detection, and touch-to-focus.
For video recording, the device supports 4K at 30fps and 1080p at 30fps, enabling high-quality video capture even in challenging environments.
On the front, it sports a 16MP wide-angle camera, perfect for selfies and video calls, with 1080p@30fps video recording capabilities.
Battery and Charging
One of the key highlights of the Energizer Hard Case P28K is its monstrous 28000mAh Li-Ion battery—a standout feature in the smartphone market.
It supports 33W wired fast charging via a USB Type-C 2.0 port, ensuring that even this massive battery can be topped up at a reasonable speed.
The device promises unparalleled battery endurance, capable of lasting several days on a single charge, making it ideal for outdoor enthusiasts, travelers, and heavy users.
Connectivity and 5G Support
The Hard Case P28K offers robust network support, although it is 4G-focused. It supports:
- 2G Bands: GSM 850 / 900 / 1800 / 1900
- 3G Bands: HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
- 4G Bands: Multiple LTE bands including 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 38, 40, 41, 66.
Additional connectivity features include Bluetooth 5.2, Wi-Fi hotspot capability, A-GPS with Glonass support, and USB Mass storage. However, it does not support 5G, focusing instead on providing reliable 4G connectivity even in remote areas.
Additional Features
The Energizer Hard Case P28K is packed with useful features:
- Fingerprint sensor for secure unlocking
- Face unlock for quick access
- Essential sensors like a light sensor, proximity sensor, accelerometer, compass, and gyroscope
- Runs on Android 14 out of the box
- Durable build with military-grade ruggedness
- No 3.5mm headphone jack, but audio is accessible via the USB Type-C port
Reason to Buy
- Ultra-massive 28000mAh battery ensures days of usage without needing a charge
- Rugged design perfect for extreme conditions, with IP68/IP69 certification
- Solid performance with Helio G99 chipset and 8GB RAM
- Sharp 60MP main camera capable of detailed photography
- 4K video recording ability
- Android 14 with a near-stock user experience
- Waterproof and dustproof—ideal for adventure and outdoor activities
Verdict
If you’re searching for a smartphone that combines rugged durability, extreme battery life, and decent performance, the Energizer Hard Case P28K is an outstanding choice. Designed primarily for outdoor enthusiasts, professionals working in tough environments, and users who prioritize battery life over sleek design, this device checks all the right boxes.
Despite its heavy frame and lack of 5G, it remains an unbeatable option in the mid-range rugged smartphone market, offering immense value for its price.
FAQ
Q. What is the price of the Energizer Hard Case P28K in Bangladesh?
A. The expected price is ৳30,000.
Q. Does the Energizer Hard Case P28K support 5G?
A. No, it supports up to 4G LTE networks.
Q. How much battery capacity does the Energizer Hard Case P28K have?
A. It has a massive 28000mAh battery, one of the largest in any smartphone.
Q. Is the Energizer Hard Case P28K waterproof?
A. Yes, it is IP68/IP69 certified for water and dust resistance.
Q. What version of Android does the Energizer Hard Case P28K run?
A. It runs on Android 14.
Q. Does the phone have a fingerprint sensor?
A. Yes, it comes with a fingerprint sensor and also supports face unlock.
Related page: Energizer Mobile Price in Bangladesh
User Reviews
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