How much usable energy does the AlphaESS STORION-LC-TB125 store?

The usable energy is unavailable: it was not found in the manufacturer's documents or other sources checked for this database (compiled 28 Oct 2026).

What is the round-trip efficiency of the AlphaESS STORION-LC-TB125?

90.6 % (AC) (datasheet, cdn.shopify.com, read 28 Oct 2026). AC means measured at the grid side, with the inverter (PCS) and auxiliaries included.

What warranty does the AlphaESS STORION-LC-TB125 have?

10 years (datasheet, cdn.shopify.com, read 28 Oct 2026). The warranty document's own terms decide which limit comes first.

Does the AlphaESS STORION-LC-TB125 include an inverter?

Yes, it has an integrated power conversion system (PCS) rated 125 kW (datasheet, cdn.shopify.com, read 28 Oct 2026).

How much does the AlphaESS STORION-LC-TB125 cost?

No public price listing was found for it when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

AlphaESS

STORION-LC-TB125

Single liquid-cooled outdoor cabinet: 5 x 52.124 kWh modules in series + 125 kW PCS (STS cabinet optional)

Alpha ESS Co., Ltd.; 3.2 V / 314 Ah LFP cells, M166314-S modules

Short answer

The AlphaESS STORION-LC-TB125 is an LFP C&I battery cabinet (as specified: Single liquid-cooled outdoor cabinet: 5 x 52.124 kWh modules in series + 125 kW PCS (STS cabinet optional)). Usable energy: unavailable. Max. discharge power: 125 kW. Round-trip efficiency: 90.6 % (AC). Warranty: 10 years.

Each figure is in the table below with its source and the day it was read.

Specifications

Spec	Value	Source
Chemistry	LFP	cdn.shopify.comDatasheet · read 28 Oct 2026
Usable energy	unavailable	Not published
Nominal energy	261.2 kWh	cdn.shopify.comDatasheet · read 28 Oct 2026
Max. discharge power	125 kW	cdn.shopify.comDatasheet · read 28 Oct 2026
Max. charge power	125 kWAC nominal; max apparent 137.5 kVA; overload 110% continuous	cdn.shopify.comDatasheet · read 28 Oct 2026
C-rate	0.5 CModule rated power 26.062 kW (0.5P); system derived 125/261.2 = 0.48	cdn.shopify.comDatasheet · read 28 Oct 2026
Round-trip efficiency	90.6 % (AC)'System Efficiency (RTE) AC <-> DC 90.6%'; PCS max 99%, EU eff. 97.65%	cdn.shopify.comDatasheet · read 28 Oct 2026
Depth of discharge	unavailable	Not published
Cycle life	8,000 cyclesConditions: Module: 8000 @EOL 70% 'under specific test conditions'	cdn.shopify.comDatasheet · read 28 Oct 2026
Warranty	10 years'5 Years Product Warranty, 10 Years Battery Warranty'; FAQ: longer warranties on request	cdn.shopify.comDatasheet · read 28 Oct 2026
Warranty cycles	unavailable	Not published
Warranty throughput	unavailable	Not published
Capacity at end of warranty	unavailable	Not published
Nominal voltage	832 Vderived: 5 modules x 166.4 V; cluster range 702~936 V	cdn.shopify.comDatasheet · read 28 Oct 2026
Operating temperature	−20 to 50 °C>45 C derating	cdn.shopify.comDatasheet · read 28 Oct 2026
Dimensions (W × D × H)	1,003 × 1,500 × 2,482 mmexcl. STS cabinet	cdn.shopify.comDatasheet · read 28 Oct 2026
Weight	2,900 kg2.9 t excl. STS cabinet	cdn.shopify.comDatasheet · read 28 Oct 2026
Ingress protection	IP55C4 corrosion class	cdn.shopify.comDatasheet · read 28 Oct 2026
Integrated inverter (PCS)	Yes, 125 kW	cdn.shopify.comDatasheet · read 28 Oct 2026
Scalability	Max 50 units in parallel on-grid; 2 units on/off-grid (UPS) per product page FAQ; extendable to 522.4 kWh per system with STORION-LC261 expansion cluster	cdn.shopify.comDatasheet · read 28 Oct 2026
Certifications	IEC 62477, IEC 61000, IEC 62109, IEC 61727, IEC 62116, EN 50549-1/2/10, VDE-AR-N 4105, VDE-AR-N 4110, VDE-AR-N 4120, G99, TOR, C10/11, IEC 62619, UL 9540ASystem compliance + battery module compliance (IEC 62619, IEC 62477, IEC 61000, UL9540A)	cdn.shopify.comDatasheet · read 28 Oct 2026
Compatible inverters	unavailableN/A: integrated PCS	Not published

Datasheetcdn.shopify.comversion V1.1 · dated 2025-09-03 · read 28 Oct 2026

eu.alphaess.com · storion-tb125-commercial-battery-storage

Notes

Successor STORION-LC-TB150 (150 kW/313 kWh) announced 2026 (pv-magazine); EU product page for TB150 returned 404 on 2026-10-28, so not captured.

Sold in: EU, AU, GB

Prices

No public price listing was found when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

Questions

How much usable energy does the AlphaESS STORION-LC-TB125 store?: The usable energy is unavailable: it was not found in the manufacturer's documents or other sources checked for this database (compiled 28 Oct 2026).
What is the round-trip efficiency of the AlphaESS STORION-LC-TB125?: 90.6 % (AC) (datasheet, cdn.shopify.com, read 28 Oct 2026). AC means measured at the grid side, with the inverter (PCS) and auxiliaries included.
What warranty does the AlphaESS STORION-LC-TB125 have?: 10 years (datasheet, cdn.shopify.com, read 28 Oct 2026). The warranty document's own terms decide which limit comes first.
Does the AlphaESS STORION-LC-TB125 include an inverter?: Yes, it has an integrated power conversion system (PCS) rated 125 kW (datasheet, cdn.shopify.com, read 28 Oct 2026).
How much does the AlphaESS STORION-LC-TB125 cost?: No public price listing was found for it when this database was compiled (28 Oct 2026). Zorowatt does not estimate prices.

Would this battery pay back on your site? Upload a year of meter data and the bill; Zorowatt rebuilds the bill and sizes the battery.

Try it free Pricing

More C&I cabinets

AlphaESS STORION-H50-G3 Deye GE-F60 Dyness DH200F E3/DC (HagerEnergy GmbH) qntm (Gewerbekraftwerk)FENECON Commercial 92 (1 inverter, 5 towers)FENECON Industrial S Fox ESS G-MAX GM215kWh-100kW-2h GoodWe Lynx C GW100KWH-D-10 All batteries