About Hitama
Hitama is the industrial portable energy storage brand of Shenzhen Yusong Technology Co., Ltd.
We focus on clean, silent, high-reliability power that replaces the diesel generator for the global B2B professional market — construction, equipment rental, emergency response and power tools.
Our products use a fanless self-cooling design that outperforms conventional air-cooled units in harsh jobsite conditions: dust, high heat, high humidity. The modular architecture supports single units, two-unit parallel and three-unit three-phase, flexibly covering 2.4 kW up to 10.8 kW of power demand.
Hitama aims to become the preferred energy storage brand for the European jobsite market — replacing diesel with clean power.
Hitama is developed and manufactured by Shenzhen Yusong Technology Co., Ltd. Our customers are European contractors, equipment rental companies and emergency services — they are not buying a spec sheet, they are buying power that keeps running in dust, heat and rain.
- Fanless self-cooling for harsh environments
- Modular parallel from 2.4 kW to 10.8 kW
- Clean and silent — no exhaust on site
- Industrial-grade reliability and customisation
Our workshop
The P25 and P36 series work through three steps in our workshop: assembly stations, a per-unit IQC inspection bench and finished-product aging racks. A unit only leaves the factory once it has passed all three.
Quality & test protocol
Every P25 unit works through a 10-point test protocol before it leaves the factory — from basic function through overload and over-temperature to a two-hour continuous run. These are the steps our test bench runs (excerpt from the factory test sheet).
- Serial number & firmware documentationUnit serial and firmware version recorded in the protocol
- Basic function test1–1.5 kW standard load, DC and USB outputs checked (USB-A 22.5 W, USB-C 60 W)
- 60-second overload test2.7–3.0 kW load, controlled shutdown at 60 s ± 5 s
- Immediate overload testLoad above 5 kW, shutdown within 10 s
- Over-temperature test2.3–2.5 kW load up to 80 °C, shutdown at 80 °C ± 5 °C
- Continuous operation test2 kW for 2 hours — voltage 230 V ± 10 V, frequency 50 Hz ± 5 Hz, temperature below 60 °C
- DocumentationResults, remarks and photos saved to the inspection report
- Charging testSolar and mains charging verified, full-charge time recorded
- Vibration testFunction re-check before and after vibration, no loose parts
- Output-reduction stabilityVoltage and frequency monitored continuously while the load steps down from 2.5 kW
Research & development
Our R&D works on one specific problem: replacing diesel generators with battery power on job sites. The fan-less self-cooling architecture, the modular parallel system (1–3 units, 230 V and 400 V), the IP54 sealed enclosure and the −10 to 65 °C operating range are all answers to measured jobsite conditions.
Patents
The P25 and P36 series are protected by invention patents, utility model patents and design patents, covering the core structure, the parallel system and the industrial design.
Certifications & compliance
- CE — EMC Directive 2014/30/EU
- Test report A2409245-C01-R01-V1 (Pass) — available on request
- UN 3480, Class 9, sea transport — packaging certified by the competent customs authority
- IP54 enclosure rating (an enclosure rating, not a certification)