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257kWh HV LiFePO4 BOS-B PRO-A3 Battery Set Deye · 1
257kWh HV LiFePO4 BOS-B PRO-A3 Battery Set Deye · 2
V-TAC · SKU 12820
● IN STOCKAVAILABLE · Stock as of 30 OCT 2026

257kWh HV LiFePO4 BOS-B PRO-A3 Battery Set Deye

257kWh HV LiFePO4 BOS-B PRO-A3 Battery Set Deye with IP20 protection and an operating range of Charge 0 ~ 55℃ / Discharge -20 ~ 55℃. 10 years; certification on file: EMC License and LVD License.

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MANUFACTURER WARRANTY
10 years
The manufacturer's own terms and conditions apply. We administer the claim — see the terms of sale.
CERTIFICATION · 2
EMC LicenseLVD License

Technical specification

ELECTRICAL DATA4 items
Max.Charge/Discharge Current180A
Max. DC Power147.46 kW
System Nominal Voltage819.2V
System Operating Voltage665.6-934.4
MECHANICAL & BUILD6 items
System Energy257.28kWh (16.08 kWh x 16)
System Usable Energy231.48 kWh
MountOn a Rack
Module314Ah
Cells ChemistryLiFePO4
Additional information ModelBOS-B256 Pro-A3; Battery Module Qty in Series: Max. 16; Composition: BOS-B-Pack16-AX*16+BOSB-PDU-2-A *1
PHYSICAL DATA3 items
IP RatingIP20
Working conditionsCharge 0 ~ 55℃ / Discharge -20 ~ 55℃
Size2150 × 1136 × 800 mm
CERTIFICATIONS & WARRANTY1 item
Warranty10 years
PRODUCT DATA3 items
Order code12820
Product codeBOS-B-A3
BrandDeye

Same category — not a compatibility check.