Containerized Battery Energy Storage System (BESS), 500 kWh – 5 MWh
Factory-built battery storage in a 20 ft container, for large factories, industrial parks, farms and mines.

Specification range
| Item | Range |
|---|---|
| Capacity per container | 500 kWh – 5 MWh (20 ft) |
| Cell chemistry | Lithium iron phosphate (LFP) |
| Cycle life | 6,000+ cycles typical (to 80% capacity) |
| Power conversion | Separate PCS (250–630 kW) or PCS skid, matched to the load |
| Cooling | Liquid cooling, HVAC for hot climates |
| Safety | 3-level BMS, gas and smoke detection, fire suppression, explosion venting |
| Expansion | Multiple containers in parallel |
| Delivery | Pre-assembled and factory-tested; set on a simple foundation and connect |
| Monitoring | Connected to our energy management system and remote monitoring |
| Certifications | IEC 62619, IEC 62933, UN38.3 (UL 9540A test report where available) |
| Warranty | Original manufacturer warranty; plus our 3-year system warranty when supplied in a TF PowerProof system |
Every proposal offers two qualified brand options that meet this range.
Where it fits
| System | How the container is used |
|---|---|
| PP-250 | One 10 ft or 20 ft container instead of cabinets |
| PP-500 | One 20 ft container, 1 MWh |
| Off-grid sites | Large storage for mines and farms with no grid |
How we qualify it
Certification, public datasheets, warranty terms, after-sales support in your country, and field results. Our engineers sign off every core component before it goes into a proposal.
In the field
Off-grid telecom sites, Saudi Arabia. 900 kWh of battery storage per site, five days of autonomy, 30+ sites supplied. → Read more
Get a project quote
We quote this equipment as part of a complete system package, with the design and engineering included. Customers with an existing TF PowerProof system can order it on its own for expansion or as a spare. Tell us about the project and we reply with options and trade terms (USD, CIF to your port by default; DDP on request).
Not sure what size you need? Get a free assessment of your site instead.