Peak shaving and valley filling
The primary design case: charge on off-peak tariff, discharge into the peak window, with the PCS scheduling against the site's own load profile.
OEM/ODM LiFePO4 battery manufacturer since 2007
OEM/ODM LiFePO4 battery manufacturer since 2007
High-voltage storage cluster · B2B project supply
Model: FT-256300
A 256 V high-voltage storage cluster: one base, five 51.2 V battery modules in series and a high-voltage box carrying the BCU, breaker, pre-charge circuit and a 4.3-inch touchscreen. 76.8 kWh nominal at 100 A continuous in either direction, with isolated CAN 2.0 and RS485 to the PCS. Up to five clusters run in parallel, so the same hardware covers a single home installation and a several-hundred-kilowatt-hour commercial site.
No public price. Quotation is based on cluster quantity, PCS pairing, customisation and delivery requirements.
Engineering response within 1 business day
Buyer decision points
This page is structured around technical review, procurement qualification and project conversion rather than retail pricing.
The cluster talks to the PCS over isolated CAN 2.0 or RS485 on RJ45. Send the exact PCS brand, model and protocol document so the pairing can be reviewed and bench tested before sample approval.
A 256 V DC cluster at 630 kg is not a plug-in appliance. Installation, commissioning and any parameter change must be done by qualified engineers, with the breaker open while power cabling is connected.
Recommended · continuous maximum ≤ 100 A
Clusters are paralleled through Parallel In and Parallel Out with a 120 Ω terminating resistor at each end of the chain. Voltage difference between clusters must be within 5 V before they are combined, and P+ / P- go to a shared busbar.
Up to 5 clusters in parallel
Charging is specified from 0 °C. Discharge runs to -20 °C, but the two are not interchangeable — charging LiFePO4 below freezing causes permanent capacity loss. Confirm the site's winter minimum before you specify.
Protection rating:
Allow at least 300 mm from the wall for air circulation, on a level load-bearing floor. Level the four castors so the base cannot move, and keep the cluster away from water, steam, heat sources and children.
Confirm which pack-level, cluster-level and system-level certificates apply to the exact production configuration and target market before publishing or purchasing.
Technical data
| Nominal voltage | 256 V |
|---|---|
| Nominal capacity | 300 Ah |
| Nominal energy | 76.8 kWh |
| Cell configuration | 80S |
| Continuous charge current | ≤ 100 A |
| Continuous discharge current | ≤ 100 A |
| Maximum discharge power | 25.6 kW |
| Charging voltage | 292 V |
| Discharge cut-off | 216 V |
| Cycle life | 6,000 cycles |
| Cycle test conditions | 0.5C discharge at 25 °C |
| Maximum parallel units | 5 clusters |
| Dimensions (W x D x H) | 690 × 500 × 1,672 mm |
|---|---|
| Weight | 630 kg |
| Housing | Metal, stacked modules on a castor base |
| Communication | CAN 2.0 / RS485 |
| Charging temperature | 0 ~ 45 °C |
| Discharging temperature | -20 ~ 60 °C |
| Storage temperature | -10 ~ 35 °C, 50 % SOC recommended |
| Warranty | 5 years / 6,000 cycles, to 70 % capacity retention |
|---|---|
| MOQ | 1 unit |
| Lead time | Samples 15-20 days, production 30-45 days after order confirmation |
| Export packing | Plywood case on pallet, UN38.3 documentation included |
| Container loading | Confirm per order — pallet configuration is project specific |
| HS code | 8507.60.00 |
Sent by email within one business day, with discharge curves and terminal drawings.
Application fit
Specified by integrators and EPC contractors for sites where the energy requirement is large but the floor area is not.
The primary design case: charge on off-peak tariff, discharge into the peak window, with the PCS scheduling against the site's own load profile.
Supports voltage stability and short-notice temporary supply on sites where the grid connection is weak or being reworked.
The vertical cluster format is specified where floor area is constrained but the energy requirement is large.
Five clusters in parallel reach 384 kWh nominal on the same modules, protocol and spare parts as a single-cluster install.
OEM / ODM capability
Protocol configuration, branding and documentation are set during build. Define them before sample production and lock them after approval.
Share cluster quantity, PCS brand and model, site temperature range and load profile.
Confirm protocol, cluster topology, cable specification and documents.
Review label, display, packaging and functional requirements.
Module assembly, cluster functional testing, aging and final quality checks.
Prepare lithium battery shipping documents and agreed crating.
Supplier verification
A B2B product page should help procurement teams verify who will build, test and support the system. Safecloud Energy Inc. was founded in 2007 and operates two plants in Henan and Anhui totalling 48,000 m², with eight automated production lines, 30+ aging machines and an in-house testing laboratory.
Verify cells, BMU and BCU boards, high-voltage components, enclosure and cable sets against the approved configuration.
Review module voltage, capacity, balancing and protection functions per the inspection plan.
Assemble the cluster and run defined charge, discharge, cascade communication and protection checks.
Check firmware, protocol setting, display, terminating resistors, earth leads, labels and carton marks.
Modules crated separately with the base and high-voltage box, on a project-approved pallet arrangement.
Buyer questions
No. This is a high-voltage battery cluster, not an all-in-one. It connects to a third-party PCS or hybrid inverter over CAN 2.0 or RS485. Send the exact PCS model and protocol document and we will review compatibility before sample approval.
The manual specifies up to five clusters. Clusters are chained Parallel Out to Parallel In with a 120 Ω / 2 W terminating resistor at each end, and the voltage difference between clusters must be within 5 V before they are combined. Confirm the figure for your project during quotation.
Nominal energy is 76.8 kWh. The documentation states an initial usable figure of 71.5 kWh and a maximum depth of discharge of 90 %. Ask us to confirm the usable energy for your operating window in writing before you size a project against it.
No ingress protection rating is published for this cluster, and it is cooled by natural convection. Treat it as an indoor unit in a protected plant room until an IP rating is confirmed in writing. This model is rated .
Every battery module, the high-voltage box and the base bond together with the supplied earth leads, and the cluster requires at least one reliable connection to the site earth bar.
Quantity, target market, PCS brand and model, number of clusters, site temperature range, certification scope, branding requirements and target delivery time. For this model: 5 years / 6,000 cycles, to 70 % capacity retention.
Request for quotation
The model is attached automatically. Share the technical information needed for a useful quotation rather than only asking for a unit price.
A 256 V high-voltage storage cluster: one base, five 51.2 V battery modules in series and a high-voltage box carrying the BCU, breaker, pre-charge circuit and a 4.3-inch touchscreen. 76.8 kWh nominal at 100 A continuous in either direction, with isolated CAN 2.0 and RS485 to the PCS. Up to five clusters run in parallel, so the same hardware covers a single home installation and a several-hundred-kilowatt-hour commercial site.
Send a short inquiry and an engineer will reply within one business day. For a detailed technical quotation, use the full RFQ form below.
Product: FT-256300 256V 300Ah High-Voltage LiFePO4 Battery Cabinet — 76.8kWh (FT-256300)