honiitaa LFS-02
(6 reviews)
Just 10 x 10 cm, yet built around a 5200mAh battery: a highly compact air cooler claimed to lower ambient temperature by 5 to 7.2°C.
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Key features
- Battery: 5200mAh rechargeable via USB-C, 5 to 10h runtime
- Cooling: Claimed to lower ambient temperature by 5 to 7.2°C
- Dimensions: 10.2 x 10.2 x 5.1 cm, very compact and light
- Remarkably compact despite its built-in battery
In detail: honiitaa Portable Personal Air Conditioner
The honiitaa LFS-02 bets everything on a remarkably compact footprint: at just 10.2 x 10.2 x 5.1 cm, this air cooler fits in practically the palm of a hand, yet its built-in 5200mAh battery still delivers 5 to 10 hours of cordless use depending on which of its three wind speeds is selected.
The manufacturer claims the unit lowers ambient temperature by 5 to 7.2°C, thanks to a high-performance motor and a purpose-built duct design producing a strong, cool airflow. Operation stays notably quiet, a point the maker specifically highlights for undisturbed sleep.
Charging runs through a USB-C cable, compatible with most common chargers and power banks. The lightweight housing and adjustable handle allow cordless use anywhere in a room, bedroom, office, car, or on the move, with no socket needed nearby.
Like every cooler of this type, the honiitaa LFS-02 works through water evaporation rather than compression: it cools the air immediately around the unit for individual use, and is no substitute for genuine room air conditioning. The manufacturer itself points out that results should not be compared to a classic air conditioner, an honest note that sets expectations correctly before buying.
Technical data
Detailed characteristics
Performance
| Type?General technical category the unit belongs to (portable, split, evaporative...). | Evaporative air cooler, no compressor or refrigerant gas |
|---|---|
| Inverter type?General technical category the unit belongs to (portable, split, evaporative...). | No inverter |
Dimensions and power supply
| Dimensions?Width, depth and height of the unit (W x D x H). | 10.2 x 10.2 x 5.1 cm |
|---|
Additional information
| Model | LFS-02 |
|---|---|
| Battery | 5200mAh rechargeable, built-in, charges via USB-C |
| Runtime | 5 to 10h depending on speed |
| Wind speeds | 3 speeds |
| Cooling performance | Claimed to lower ambient temperature by 5 to 7.2°C |
| Power source | Battery powered |
| Form factor | Personal |
Frequently asked questions: honiitaa Portable Personal Air Conditioner
The manufacturer states a reduction in ambient temperature of 5 to 7.2°C, depending on the wind speed selected and the surrounding conditions.
The built-in 5200mAh battery provides 5 to 10 hours of cordless use depending on the speed chosen.
No, like any evaporative cooler it only cools the air close to the unit for individual use. The manufacturer itself notes that results are not comparable to a genuine air conditioner.
Via a USB-C cable, compatible with common chargers and power banks.
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Page published on 2 August 2026