Meibess
Battery Energy Storage Systems

STORE ENERGY.
CUT COSTS.

Liquid-cooled LFP storage — a 261 kWh cabinet for your site, or 3–5 MWh containers for the grid. No complexity, just stored energy that works.

≥94%
round-trip efficiency
10,000+
cycles @ 80% DoD (container)
−20/+55°C
operating ambient
5–10yr
warranty · extendable to 10 years
Products

Pick your scale.

MB-BESS-261 liquid-cooled cabinet with battery modules
Commercial & Industrial · MB-BESS-261

261 kWh in a single liquid-cooled cabinet.

261 kWh

For factories, EV charging hubs and solar self-consumption. Highly integrated AC + DC cabinet with 125 kW PCS — parallel-connect units to scale up to megawatt level.

Key specifications
Capacity261 kWh · LFP 3.2 V / 314 Ah Rated power125 kW · 400 V · 180 A · 50/60 Hz Battery voltage832 Vdc · range 702–949 V Overload1.1× continuous · 1.2× for 1 min Cycle life≥8,000 @ 0.5C · EOL ≥70% CoolingSmart liquid cooling/heating Operating temp.−20°C to +55°C · 0–95% RH ProtectionIP55 · aerosol fire suppression · C3 (C4/C5 opt.) CommunicationModbus TCP / RTU / MQTT · Ethernet / RS485 Size / weight1,000 × 1,350 × 2,390 mm · ~2,600 kg CertificationsIEC 62619 · IEC 63056 · IEC 62477 · UN 38.3 · RoHS
Utility Scale · 20-ft ISO Container

Containerized grid-scale storage, ready to deploy.

3–5 MWh

3,344, 4,180 or 5,015 kWh per container. For solar farms, frequency response and peak shaving — outdoor-rated, liquid-cooled, ready to scale in rows.

Key specifications
Capacity3,344 / 4,180 / 5,015 kWh · LFP 314 Ah Efficiency≥94% round-trip (system level) Cycle life≥10,000 @ 80% DoD · EOL ≥70% SOH CoolingIntelligent liquid cooling · cell ΔT < 3°C Operating temp.−20°C to +55°C ambient Enclosure20-ft ISO · IP54 / IP66 · C4/C5 anticorrosion Size / weight6,058 × 2,438 × 2,896 mm · 34–44 t Response≤20 ms PCS · ≥99% annual availability CertificationsIEC 62619 · IEC 62477 · CE · UN 38.3
20-ft ISO container ESS with open battery cabinets
Applications

Where it works.

Solar self-consumption
Peak shaving
EV charging stations
Diesel fuel reduction
Factories
Hotels & resorts
Farms & irrigation
Commercial buildings
Microgrids
How it works

From load profile to commissioning.

01
Send your load profile
02
We size the system
03
Factory production in China
04
Delivery and commissioning
Typical sizing turnaround: 24 hours
Why Meibess

Buy direct from the factory.

Factory-direct pricing
Liquid-cooled LFP systems
Engineering and sizing support
International shipping
EMS integration support
Direct access to the engineering team
Certified & shipping-ready
CE IEC 62619 UN 38.3 MSDS Sea freight certified Remote monitoring support
About Meibess

Factory-direct liquid-cooled BESS systems from China.

MEIBESS designs and manufactures liquid-cooled LFP energy storage systems ranging from 261 kWh cabinets to utility-scale 5 MWh containers, in Jinan, Shandong Province.

We support commercial, industrial and utility projects worldwide with factory pricing, engineering support and international certifications.

Tell us your load profile, solar capacity and discharge hours — our engineers will size your system within 24 hours.

LET'S SIZE YOUR SYSTEM.

Fastest reply on WhatsApp · or email sales@meibess.com
Chat on WhatsApp — +86 158 2241 5114
MEIBESS
meibess.com · sales@meibess.com · Jinan, Shandong Province, China
Meibess
Battery Energy Storage

STORE ENERGY.
CUT COSTS.

Liquid-cooled LFP storage — a 261 kWh cabinet for your site, or 3–5 MWh containers for the grid.

≥94%
round-trip efficiency
10,000+
cycles @ 80% DoD
−20/+55°C
operating ambient
5–10yr
warranty · extendable
Products

Pick your scale.

MB-BESS-261 liquid-cooled cabinet
Commercial & Industrial · MB-BESS-261

261 kWh in a single liquid-cooled cabinet.

261 kWh

For factories, EV charging hubs and solar self-consumption. AC + DC cabinet with 125 kW PCS — parallel up to megawatt level.

Key specifications
Capacity261 kWh · LFP 314 Ah Rated power125 kW · 400 V Cycle life≥8,000 @ 0.5C CoolingSmart liquid cooling ProtectionIP55 · aerosol fire suppression Size / weight1,000×1,350×2,390 mm · ~2,600 kg
20-ft ISO container ESS with open battery cabinets
Utility Scale · 20-ft ISO Container

Containerized grid-scale storage, ready to deploy.

3–5 MWh

3,344, 4,180 or 5,015 kWh per container. For solar farms, frequency response and peak shaving — outdoor-rated, ready to scale in rows.

Key specifications
Capacity3,344 / 4,180 / 5,015 kWh Efficiency≥94% round-trip Cycle life≥10,000 @ 80% DoD Operating temp.−20°C to +55°C ambient Enclosure20-ft ISO · IP54/IP66 Size / weight6,058×2,438×2,896 mm · 34–44 t
Applications

Where it works.

Solar self-consumption
Peak shaving
EV charging stations
Diesel fuel reduction
Factories
Hotels & resorts
Farms & irrigation
Commercial buildings
Microgrids
How it works

From load profile to commissioning.

01
Send your load profile
02
We size the system
03
Factory production in China
04
Delivery and commissioning
Typical sizing turnaround: 24 hours
Why Meibess

Buy direct from the factory.

Factory-direct pricing
Liquid-cooled LFP systems
Engineering and sizing support
International shipping
EMS integration support
Direct access to the engineering team
Certified & shipping-ready
CE IEC 62619 UN 38.3 MSDS Sea freight certified Remote monitoring support
About Meibess

Factory-direct liquid-cooled BESS systems from China.

MEIBESS designs and manufactures liquid-cooled LFP energy storage systems ranging from 261 kWh cabinets to utility-scale 5 MWh containers, in Jinan, Shandong Province.

We support commercial, industrial and utility projects worldwide with factory pricing, engineering support and international certifications.

Tell us your load profile, solar capacity and discharge hours — our engineers will size your system within 24 hours.

LET'S SIZE YOUR SYSTEM.

Fastest reply on WhatsApp
or email sales@meibess.com
Chat on WhatsApp
MEIBESS
meibess.com · sales@meibess.com
Jinan, Shandong Province, China