The CHUANHE ESS 4000W Trolley Box Portable Solar Generator is an industrial-grade mobile power solution designed for distributors, EPC contractors, engineering companies, equipment rental businesses, construction suppliers, and OEM & ODM partners. Equipped with a 4000W pure sine wave inverter, Grade A LiFePO4 battery technology, an intelligent MPPT solar charging system, and a heavy-duty trolley design with pull rod and wheels, it delivers reliable power for construction sites, engineering projects, workshops, emergency backup, and demanding off-grid applications.
Available in 3072Wh and 3840Wh battery capacities, the XW-LA40120 and XW-LA40150 models combine powerful AC output with large-capacity energy storage in a compact mobile platform. Designed for professional environments, the series provides dependable performance wherever portable high-power electricity is required.
The CHUANHE ESS 4000W Trolley Box Portable Solar Generator Series is developed for professionals requiring powerful AC output, high-capacity energy storage, and excellent mobility. Combining advanced LiFePO4 battery technology with a high-performance pure sine wave inverter, the series delivers reliable electricity for construction sites, engineering projects, industrial maintenance, workshops, emergency response, and renewable energy applications.
Available in 3072Wh and 3840Wh battery capacities, the series allows distributors and OEM customers to offer flexible energy storage configurations while maintaining the same industrial platform. The integrated trolley design with pull rod and heavy-duty wheels enables convenient transportation of high-capacity power systems across demanding work environments.
Powered by a 4000W pure sine wave inverter, the system operates construction tools, industrial equipment, compressors, welding support equipment, communication systems, portable air conditioners, lighting systems, and other high-load electrical devices. Pure sine wave technology ensures excellent compatibility with sensitive electronics and stable voltage output during continuous operation.
The integrated MPPT solar charging controller supports 29V to 45V photovoltaic input through an XT90 interface and accepts compatible solar panels up to 800W, providing efficient renewable charging for long-duration off-grid operation. High-current AC charging further reduces charging time for professional users.
The system includes PD18W and PD42W Type-C outputs, five USB ports, dual DC5521 outputs, AC outputs, LED lighting, atmosphere lights, and a large LCD display that provides real-time monitoring of battery capacity, charging status, output power, and system operating conditions. The intelligent BMS continuously protects against overcharge, over-discharge, overload, overheating, overcurrent, and short circuits.
With dimensions of 383 × 323 × 353 mm and weights ranging from 32.26 kg to 38.98 kg, the series offers outstanding power density while remaining easy to transport between job sites and industrial applications.
Designed exclusively for global B2B customers, the 4000W Trolley Box series supports complete OEM & ODM manufacturing, including private label branding, enclosure customization, firmware development, packaging design, and customized engineering solutions.
| PRODUCT MODEL | XW-LA40120 | XW-LA40150 |
|---|---|---|
| LiFePO4 Batt capacity | 25.6V/120Ah | 25.6V/150Ah |
| LiFePO4 Batt (WH) | 3072Wh | 3840Wh |
| Solar panel power MAX | 36V/500W | 42V/800W |
| Solar panel | None (optional) | None (optional) |
| Inverter power/Rated power | Sine wave 3000W/OUT:AC220V/50Hz/4000W | |
| Charging cutoff voltage | LiFePO4 Batt Single section/3.65V | |
| Single section | LiFePO4 Batt Single section/3.2V | |
| Discharge Cut-off Voltage | LiFePO4 Batt Single section/2.5V | |
| BMS/MPPT | 20V-29.2V/250A、29-45V/20A/30A/XT90 | |
| Charger/Interface | AC180-240V/29.2V/20-30A/XT90 | |
| Type-C /USB/DC12V | Type-C PD18W/42W/USB 5V/3A 5*port/DC12V DC5521 2*port | |
| AC/DC/LED/Switch/Display | There are AC, USB, LED switches, LCD、LED、 Atmosphere lights | |
| Appearance structure | Hardware frosted+black panel, pull rod, wheels, large interface display screen | |
| Authentication | CE/Rohs/FCC/UN38.3/MSDS/Air and sea freight reports | |
| Size | Product size：383*323*353mm/Package size：500*350*400mm | |
| Product weight | 32.26kg | 38.98kg |
The industrial-grade inverter provides stable AC power for heavy-duty tools, engineering equipment, workshop machinery, and high-load electrical devices.
Premium Grade A LiFePO4 battery cells deliver excellent safety, long service life, and up to 3840Wh of reliable energy storage.
A reinforced enclosure with an integrated pull rod and heavy-duty wheels allows convenient transportation across construction sites, factories, and outdoor work areas.
Integrated MPPT charging, XT90 interfaces, multiple USB and DC outputs, LCD monitoring, and an advanced BMS ensure efficient charging and comprehensive battery protection.
CHUANHE ESS has specialized in portable power stations and LiFePO4 energy storage systems since 2016, delivering professional OEM & ODM manufacturing services to customers worldwide. Advanced production facilities, experienced engineers, and strict quality management ensure reliable products and long-term business partnerships.
We manufacture portable energy storage solutions for distributors, EPC contractors, engineering companies, rental businesses, and industrial equipment suppliers.
Our production facility includes 20 production lines, 5 PACK lines, and 3 SMT lines to ensure stable manufacturing capacity and consistent product quality.
Our engineering team continuously develops advanced battery systems, intelligent BMS platforms, inverter technology, and energy management solutions.
We offer comprehensive customization including logo printing, enclosure design, firmware optimization, packaging development, documentation, and private-label manufacturing.
Power electric tools, cutting equipment, portable compressors, lighting systems, and temporary site facilities without relying on fuel generators.
Provide dependable electricity for inspection equipment, testing instruments, maintenance tools, and mobile engineering operations.
Operate workshop equipment, repair tools, communication systems, and backup power systems with clean and stable electricity.
Ideal for emergency rescue teams, mobile service vehicles, rental fleets, disaster recovery operations, and temporary power installations.
The 4000W pure sine wave inverter can operate construction tools, workshop equipment, compressors, communication systems, portable air conditioners, lighting systems, industrial electronics, and other electrical equipment with a continuous load of up to 4000W.
All models use premium Grade A LiFePO4 battery cells, providing exceptional safety, long cycle life, and reliable long-term performance.
Yes. The integrated MPPT controller supports compatible photovoltaic panels up to 800W, delivering efficient renewable charging for off-grid applications.
No. Solar panels are optional and can be selected according to customer requirements and project specifications.
The integrated pull rod and heavy-duty wheels allow large-capacity power stations to be transported easily between construction sites, workshops, maintenance areas, and engineering projects.
The system includes AC output, PD18W and PD42W Type-C outputs, five USB ports, dual DC5521 DC outputs, LED lighting, atmosphere lights, XT90 charging interfaces, and a large LCD display.
Yes. CHUANHE ESS provides complete OEM & ODM services, including logo customization, enclosure design, firmware development, packaging optimization, and private-label manufacturing.
Yes. Sample units are available for product evaluation, technical testing, and market verification before mass production.
The product complies with CE, RoHS, FCC, UN38.3, and MSDS requirements and includes air and sea freight transportation reports.
All CHUANHE ESS portable solar generators are backed by a 5-year warranty, supported by professional technical assistance, remote support, and responsive after-sales service.
