PotisEdge PotisBank-L5.0-AC is a containerized LFP battery energy storage system for utility-scale use, with 5.015 MWh nominal energy as an AC block and liquid cooling. It delivers 93% DC round-trip efficiency, weighs 43 tonnes (94,799 lb), and operates across a 1164.8 to 1500 V DC window.
Use Cases
Use in front of the meter is consistent with the specifications of PotisEdge PotisBank-L5.0-AC. Its nominal energy places it in the utility-scale size class, and it supports IEC61850 and IEC104, used in utility control systems.
Capabilities
The calculated duration of about 1.94 h at full power from 5.015 MWh and 2.58 MW makes PotisEdge PotisBank-L5.0-AC a candidate for grid services, support that helps operators run the electricity network, and peak shaving, discharging into the hours of highest demand. Its AC block includes the inverter and points to renewable colocation, storing output from a wind or solar plant on the same site.
Nominal energy
5.02MWh
Rated AC power
2.58MW
C / P rate
0.5P
Round-trip efficiency (AC)
93 %DC
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Energy & Power
Architecture
DC Side
AC Side
Physical & Footprint
Battery Cells
Lifespan
Protection
Full Specification Sheet
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Plant Round-Trip Efficiency
The calculator estimates the full "plant" round-trip efficiency (RTE) at the point of interconnection. Some values are pre-blocked depending on information on a particular ESS. The rows that are marked "each way" are one-way efficiencies; they are applied on charge and again on discharge. We then square them. To enter a bundled PCS efficiency value, use its rated-power value, not peak. If the PCS skid already includes the LV/MV transformer, set Transformer LV/MV to 100 % so those losses are not counted twice.
Site Space Required
Shared: one 3 m aisle serves both neighbours. Dedicated: each unit keeps its own 3 m, so gaps double to 6 m.
Single unit — matches the stored area_sqm convention.
More PotisEdge Systems
10| Compare | Logo | Vendor | System | Energy | Power | Duration | Battery Cell | Open |
|---|---|---|---|---|---|---|---|---|
| PotisEdge | PotisMobileAC Block · 10 ft container | — | 0.4MWAC | — | — | |||
| PotisEdge | PotisBank-L6.25-AC-2hAC Block · 20 ft container | 6.25MWh | 3.44MWAC | 2h | LFP | |||
| PotisEdge | PotisBank-L6.25-AC-4hAC Block · 20 ft container | 6.25MWh | 1.72MWAC | 4h | LFP | |||
| PotisEdge | PotisBank-L5.0-ACAC Block · 20 ft container | 5.02MWh | 2.58MWAC | —0.5C | LFP | |||
| PotisEdge | PotisBank-L5.0-1500DC Block · 20 ft container | 5MWh | — | 2–4h0.25–0.5C · flex | LFP314 Ah · Prismatic | |||
| PotisEdge | PotisBank-L3.7-1500DC Block | 3.7MWh | — | —0.5–1C | LFP280 Ah · Prismatic | |||
| PotisEdge | PotisMobile seriesAC Block · 10 ft container | 0.65MWh | 0.4MWAC | 1.6h1C · flex | LFP | |||
| PotisEdge | PotisTank L372DC Block · cabinet | 0.37MWh | — | —0.5–1C | LFP280 Ah · Prismatic | |||
| PotisEdge | OmniCube L233DC Block · cabinet | 0.23MWh | 0.13MWAC | —0.5–1C | —280 Ah · Prismatic | |||
| PotisEdge | OmniCube A215DC Block · cabinet | 0.22MWh | 0.11MWAC | —0.5C | —280 Ah · Prismatic |
About the Vendor
Founded in 2015, PotisEdge is an energy storage system maker based in Suzhou High-tech Zone, Jiangsu, China. It makes ESS products for residential, commercial and industrial, and utility-scale use, and BloombergNEF has listed it as a Tier 1 global energy storage maker five times in a row, including under the upgraded 2025 assessment standards.
How to Read the Product Page
This profile of PotisBank-L5.0-AC by PotisEdge is assembled exclusively from public data to support early-stage screening and requires additional due diligence.
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