BATTERY ENERGY STORAGE SYSTEMS (BESS)
BOS-W — 25.6–87 kWh rack battery
Country: China · Model: BOS-W
BOS-W is built up in a rack from LiFePO4 modules of 5.12 kWh and 51.2 V, for a total of 25.6–87.04 kWh. It suits small commercial sites such as shops, workshops and offices running a hybrid inverter. Recommended current is 50 A, with a 125 A peak for 2 min.
- Chemistry
- LiFePO4
- Module
- 5.12 kWh, 51.2 V
- Models
- BOS-W25 / W40 / W60 / W85 (25.6–87.04 kWh)
- Current
- 50 A recommended, peak 125 A (2 min)
Technical specifications
| Chemistry | LiFePO4 |
|---|---|
| Module | 5.12 kWh, 51.2 V |
| Models | BOS-W25 / W40 / W60 / W85 (25.6–87.04 kWh) |
| Current | 50 A recommended, peak 125 A (2 min) |
| Cycle life | ≥ 6,000 cycles |
| Ingress protection | IP20 |
| Weight | up to 883 kg |
| Customs codes (for reference) | |
| HS code | 8507.60 |
| UKTZED code (Ukraine) | 8507600000 |
| CN code (EU) | 85076000 |
Specifications are taken from the manufacturer’s technical documentation. Updated . Customs codes are for reference only; the final code is determined at customs declaration for the specific model.
Description
The range has four models, BOS-W25, W40, W60 and W85, and the figure in the name gives the approximate energy in kWh. The recommended 50 A sets the working duty, and cable and breaker are sized for it. The 125 A peak covers motor inrush and short load spikes but lasts no longer than 2 min. The battery targets markets in Asia, Africa and Latin America. Cycle life is at least 6,000 cycles, enough for a daily PV charge over many years. The enclosure is IP20, so the rack needs a dry, dust-free room. The heaviest build weighs up to 883 kg, and the floor slab has to be checked in advance.
How to choose
Choose the model by daily energy use plus a margin, from the W25 at 25.6 kWh to the W85 at 87.04 kWh, with the W40 and W60 covering mid-size sites. If you need more than 87.04 kWh or an outdoor cabinet with a PCS inside, the MS-G215 at 100 kW and 215 kWh in an IP54 enclosure is the better fit. For a house or a small 48 V load, standalone NEPT S modules of 5.12–16 kWh are simpler.
Request a price and lead time
BOS-W — 25.6–87 kWh rack battery. We reply within one business day.
Or email office@usk.ua or call +38 (044) 339-50-20.
FAQ
What current does the BOS-W battery deliver?
50 A recommended, 125 A peak for 2 min.
What capacities do the BOS-W models offer?
From 25.6 to 87.04 kWh across the BOS-W25, W40, W60 and W85.
How much does the BOS-W85 weigh?
The heaviest unit in the range weighs up to 883 kg, so check the floor's load rating.
Can the BOS-W be installed outdoors?
No, the IP20 enclosure is for a dry room. For outdoor use the same maker offers the MS-G215 cabinet rated IP54.
What cycle life does the BOS-W have?
At least 6,000 charge and discharge cycles.
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Need a price, lead time or replacement?
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