80% SPEC SCORE
$36
The Energizer E288s comes with KaiOS 2, ensuring enhanced functionality and smooth multitasking. It features a compact 2.8-inches display. With a Decent 2000 mAh battery life, you can stay powered throughout the day without frequent charging. Price starting at $35 this device is Wallet-friendly and it’s offers incredible value, blending performance, style, and affordability.
Energizer E288s Key Features
Display
2.8 inches (240x320 pixels) Lower than HD
Camera
0.3 MP (Single Camera)
Hardware
MediaTek MT6739WW (28 nm)
OS
KaiOS 2
Ram & Storage
512MB + 4GB
Battery
Li-Ion 2000mAh
Data Updated on: 01 Oct, 2026
Energizer E288s Pros & Cons
By Amit Dubey | on 01 October, 2026
2.7
/ 10
TSI Score
Design
Display
Performance
Battery
Camera
Software
Sound
Usage
Pros
Very low launch price.
KaiOS keeps the basics covered.
4G-capable MediaTek platform at this price.
Cons
Tiny 2.8-inch display.
Very low 240 x 320 resolution.
Only 512MB of RAM.
4GB storage leaves little room.
28nm chipset is dated.
Energizer E288s Price and Full Specifications
Launch Date
| Status | Available |
Network
| Technology | GSM / HSPA / LTE |
| 2G bands | GSM 850 / 900 / 1800 / 1900 |
| 3G bands | HSDPA 850 / 900 / 2100 |
| 4G bands | LTE |
| Speed | HSPA / LTE |
Display
| Screen Size | 2.8 inches, 24.3 cm² (~30.2% screen-to-body ratio) |
| Display Type | TFT |
| Resolution | 240 × 320 pixels (Lower than HD) |
| Aspect Ratio | 4:3 |
| PPI | 143 ppi |
Performance
| Processor (SoC) | MediaTek MT6739WW (28 nm) |
| Fabrication process | 28nm |
| CPU | Quad-core 1.3 GHz |
| CPU cores | 4 |
Storage
| Memory | 512MB + 4GB |
| Memory Card Slot | microSDXC |
Camera
REAR CAMERA | |
| Type | Single camera |
| Primary | 0.3 MP |
| Features | LED flash |
| Video Recording | Yes |
FRONT CAMERA | |
| Type | Single camera |
| Primary | Yes |
Battery
| Battery Capacity | Li-Ion 2000mAh |
| Battery Removable | Yes |
| Charging |
Software & OS
| Operating System | KaiOS 2 |
Design
| Dimensions | 138 x 58.2 x 12.8 mm (2.29 x 0.5 in) |
| Weight | 116g (4.09 oz) |
| Color Options | Black |
| Sim Card Types | Dual SIM (Nano-SIM, dual stand-by) |
Connectivity
| WLAN | Yes |
| Bluetooth | 4.2, A2DP, LE |
| Positioning | GPS |
| NFC | No |
| Radio | Yes |
| Infrared-port | No |
| USB Version | USB Type-C |
Sound
| Loudspeaker | Yes |
| Sound Jack | 3.5 |
Sensors & Features
| Sensors | No |
Additional Info
PRICING | |
| 512MB + 4GB | $36 |
What's in the Box
| Energizer E288s | 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 E288s Comparisons
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Frequently Asked Questions
Does the Energizer E288s support dual SIM and expandable storage?
The Energizer E288s supports two SIM cards and one Micro-SD card, making it useful for separate personal and work lines. This setup lets buyers use two distinct mobile numbers while also expanding beyond the built-in 4GB storage. The dual-SIM plus Micro-SD design is a practical advantage for a low-cost KaiOS feature phone.
What operating system does the Energizer E288s use?
The Energizer E288s runs KaiOS, a lightweight operating system designed for feature phones with smart functions. KaiOS is made for keypad-style devices and works with modest hardware such as the E288s’ 0.5GB RAM and 4GB storage. The available user context also notes that the phone can feel locked down, so app flexibility may be more limited than on Android smartphones.
How good is the Energizer E288s display?
The Energizer E288s has a 2.8-inch display with a 240x320 resolution and a 60Hz refresh rate. This screen size and resolution are suitable for menus, contacts, SMS, and basic KaiOS apps, but they are not intended for rich media or high-detail browsing. Its compact display helps keep the device simple, pocketable, and focused on essential use.
How much does the Energizer E288s cost?
The Energizer E288s is positioned as a budget phone, with listed prices of about USD 35.73, EUR 32.34, GBP 27.27, or INR 2999. At this price, buyers get a KaiOS device with a 2000mAh battery, dual-SIM support, Micro-SD expansion, and a 2.8-inch screen. The low cost makes it a practical option for a backup phone, a simple daily handset, or a secondary number.
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