Energizer
Side-by-side technical data
Energizer Power Max P20 vs Energizer Hard Case P28K
Compare up to four phones using typed, normalized technical data. Measurements stay numeric, capabilities stay boolean, and options stay comparable.
The verdict
Neither runs away with it: each wins something.
Which one is for you?
Energizer Power Max P20, if you care about…
- Battery Features
- Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable
- against Fast Charging
- Weight
- 130 g
- against 570 g
- Body Thickness
- 17.5 mm
- against 27.8 mm
Energizer Hard Case P28K, if you care about…
- Battery Capacity
- 28,000 mAh
- against 4,000 mAh
- RAM Capacity
- 8 GB
- against 32 MB
- Display Technology
- IPS LCD
- against TFT LCD
- Bluetooth Version
- Bluetooth 5.2
- against Bluetooth 4.0
Specification comparison
Battery
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Battery Efficiency Rating | — | — |
| Battery Capacity | 4,000 mAh | 28,000 mAh Best value |
| Battery Type | Li-Ion | — |
| Fast Charge Power | 10 W | 33 W Best value |
| Battery Features | Fast Charging, Reverse Charging, Battery Level Indicator, Rechargeable Best value | Fast Charging |
| Battery Endurance | — | — |
| Wireless charging power | — | — |
| Charge cycles | — | — |
| Talk time | 40 h | — |
| Standby time | 750 h | — |
| Music playback time | — | — |
Design
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Body Colors | Black | Black |
| Body Thickness | 17.5 mm Best value | 27.8 mm |
| Body Width | 55 mm | 84 mm |
| Body Height | 136.5 mm | 178.1 mm |
| Weight | 130 g Best value | 570 g |
| Usable Surface | 32.3 % | 73 % Best value |
| Body Materials | — | — |
| Resistance Features | — | IP68, IP69 |
| Waterproof Depth | — | 1.2 m |
| Drop Resistance Class | — | — |
| Repairability Class | — | — |
| Foldable | No | No |
| Rugged Build | No | No |
| Drop Test Count | — | — |
| Unfolded thickness | — | — |
| QWERTY keyboard | — | — |
Performance
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Processor Model | Unisoc SC6531E | MediaTek Helio G99 |
| Processor Process Size | — | 6 nm |
| Graphics GPU | — | Mali-G57 MC2 |
| Storage Type | — | — |
| Maximum CPU Clock | — | 2.2 GHz |
| Maximum Storage Capacity | 32 MB | 256 GB Best value |
| AnTuTu Score | — | — |
| Geekbench 6 Single-Core | — | — |
| Geekbench 6 Multi-Core | — | — |
| CPU Description | — | Octa-core CPU with 2x2.2 GHz Cortex-A76 and 6x2.0 GHz Cortex-A55 |
| Processor Type | — | Octa-Core |
| 64-Bit Processor | — | — |
| RAM Capacity | 32 MB | 8 GB Best value |
| RAM Type | — | — |
| Expandable Storage | Yes | Yes |
| AnTuTu version | — | — |
| 3DMark Wild Life Extreme | — | — |
| Maximum memory card | 32 GB | — |
Sensors
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Fingerprint Sensor Placement | — | — |
Display
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Display Aspect Ratio | 4:3 | 20.5:9 |
| Peak Display Brightness | — | — |
| Display Technology | TFT LCD | IPS LCD Best value |
| Display Diagonal | 2.8″ | 6.78″ Best value |
| Display Horizontal Resolution | 240 px | 1,080 px Best value |
| Display Vertical Resolution | 320 px | 2,460 px Best value |
| Display Pixel Density | 143 ppi | 396 ppi Best value |
| Display Refresh Rate | — | — |
| Touch Sampling Rate | — | — |
| Display Contrast Ratio | — | — |
| Display Features | — | IPS LCD |
| Integrated Projector | No | No |
| Projector Brightness | — | — |
| Projector Horizontal Resolution | — | — |
| Projector Vertical Resolution | — | — |
| Cover display diagonal | — | — |
| Cover display refresh rate | — | — |
| Cover display peak brightness | — | — |
| Display colors | 256K colors | — |
Sensor
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Sensor Features | — | Accelerometer, Gyroscope, Proximity Sensor, Compass |
Software
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Operating System | — | Android 14 |
| OS Family | — | Android |
| OS Version | — | 14 |
| OS Update Support | — | — |
| Direct OS Updates | No | — |
| Google Services | — | — |
| Web browser | — | — |
| Java (J2ME) | No | — |
Connectivity
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| SIM Configurations | Dual Nano-SIM | Dual Nano-SIM |
| Cellular Bands | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900 | 2G GSM 850, 2G GSM 900, 2G GSM 1800, 2G GSM 1900, 3G UMTS B850, 3G UMTS B900, 3G UMTS 1700 AWS, 3G UMTS 1900, 3G UMTS 2100, 4G LTE B1, 4G LTE B2, 4G LTE B3, 4G LTE B4, 4G LTE B5, 4G LTE B7, 4G LTE B8, 4G LTE B12, 4G LTE B13, 4G LTE B17, 4G LTE B18, 4G LTE B19, 4G LTE B20, 4G LTE B25, 4G LTE B26, LTE B28, 4G LTE B38, 4G LTE B40, 4G LTE B41, 4G LTE B66 |
| Cellular Technologies | GSM, GPRS | GSM, HSPA, LTE Best value |
| Wi-Fi Standards | — | Wi-Fi 802.11a/b/g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| Wi-Fi Features | — | Dual Band |
| Bluetooth Version | Bluetooth 4.0 | Bluetooth 5.2 Best value |
| Bluetooth Profiles | A2DP, LE | A2DP, LE |
| Navigation Systems | — | GPS, Galileo, GLONASS, BeiDou |
| Connectivity Features | 3.5 mm Audio Jack, FM Radio, USB Charging, microUSB, USB 2.0 | NFC, USB Type-C |
| USB Version | microUSB | USB 2.0 |
| SAR American Head | 0.61 W/kg | — |
| SAR American Body | 0.89 W/kg | — |
| SAR (EU) head | — | — |
| SAR (EU) body | — | — |
| Messaging | SMS, MMS | — |
Audio
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Microphone Count | 1 | — |
| Audio Features | Loudspeaker | A2DP, LE, Loudspeaker |
| Alert types | — | — |
Technical
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| EAN / GTIN | — | — |
| UPC | — | — |
| Launch price | — | — |
| MPN | — | — |
| Launch price (USD) | — | — |
Features
| Specification | Power Max P20 | Hard Case P28K |
|---|---|---|
| Built-in functions | — | — |
