Energy and power at a glance
5.12 kWh nominal energy, 4.61 kWh usable energy at 90% DoD, and 5.12 kW continuous DC output.
POSNBAT5 · LOW-VOLTAGE LIFEPO4 BATTERY
5.12kWh 51.2V 100Ah LiFePO4 Battery
A compact low-voltage LiFePO4 battery for residential solar self-consumption, selected backup loads and hybrid or off-grid systems.
- Nominal voltage
- 51.2 V
- Nominal capacity
- 100 Ah
- Nominal energy
- 5.12 kWh
- Chemistry
- LiFePO4
POSNBAT SERIES
Selected modelPOSNBAT55.12 kWh
PRODUCT OVERVIEW
Key specifications for confident model selection.
POSNBAT5 belongs to POSON's 51.2 V POSNBAT platform, designed for residential solar, backup and low-voltage hybrid or off-grid applications.
Final installation, protection, cabling and inverter compatibility must be confirmed for each project.
Low-voltage communication platform
CAN / RS485 / dry contact interfaces support system communication, subject to inverter protocol confirmation.
Project evaluation
Installation configuration, operating temperature and protection data support early project evaluation. Confirm enclosure details before installation.
TECHNICAL SPECIFICATIONS
POSNBAT5 technical data.
Review electrical data, communication interfaces and operating conditions for POSNBAT5.
Cell chemistryLiFePO4 (LFP)
Cell configuration16S1P
Nominal energy5.12 kWh
Usable energy at 90% DoD4.61 kWh
Nominal capacity100 Ah
Nominal voltage51.2 V
Operating voltage44.8 - 57.6 V
Recommended charge voltage56.8 V
Max. continuous charge / discharge100 A / 100 A
Continuous DC output5.12 kW
CommunicationCAN / RS485 / dry contact
Parallel expansionUp to 16 units*
BMS protectionsOV / UV / OC / SC / OT / UT
InstallationWall or floor
Charge / discharge temperature0 to 50 C / -20 to 55 C
Relative humidity5 - 95% RH, non-condensing
CoolingNatural convection
* Parallel quantity depends on inverter protocol, communication compatibility and cable/fuse coordination. Request final enclosure, installation, warranty and compliance documents for your selected configuration.
INVERTER COMMUNICATION & COMPATIBILITY
Confirm the protocol before ordering.
Supports CAN / RS485 communication. Inverter compatibility depends on the inverter model, communication protocol and firmware. Contact POSON to confirm compatibility before ordering.
Send your inverter model ↗- Communication
- CAN / RS485 / dry contact
- Parallel expansion
- Up to 16 units*
- Charge profile
- CC / CV
- Recommended charge voltage
- 56.8 V
APPLICATIONS
Where POSNBAT5 fits.
Final system suitability depends on inverter compatibility, project engineering, local requirements and the selected model's operating limits.
Residential energy storage
Daily energy storage within appropriately engineered residential systems.
Solar self-consumption
Store solar generation for use outside peak production periods.
Backup power
Support selected essential household loads where the system design permits.
Hybrid & off-grid systems
Use with confirmed low-voltage inverter protocols and project-specific protection design.
FOR DISTRIBUTORS & IMPORTERS
From model comparison to a focused quotation.
POSON's model data helps distributors, importers, wholesalers, EPCs and installers evaluate the range before discussing quantity, documents and compatibility.
- 01
Define the market
Share country, channel, expected quantity and target application.
- 02
Confirm the model
Align capacity, inverter platform and required documents.
- 03
Request commercial details
Ask for current quotation scope, availability and applicable terms.
DOWNLOADS
POSNBAT5 datasheet.
Download the product overview and technical specifications for this model.
PDF · MODEL DATASHEET
Download PDF ↓POSNBAT5 · 5.12 kWh
51.2 V · 100 Ah · LiFePO4
COMPARE THE RANGE
Choose the capacity your market needs.
FAQ
Questions buyers ask before quotation.
Find quick answers about specifications, communication, applications and ordering.
What are the voltage and capacity of POSNBAT5?
POSNBAT5 is rated at 51.2 V nominal voltage and 100 Ah nominal capacity, with 5.12 kWh nominal energy.
What battery chemistry does POSNBAT5 use?
POSNBAT5 uses LiFePO4 (LFP) chemistry in a 16S1P cell configuration.
Which communication interfaces are available?
Available interfaces include CAN / RS485 / dry contact. The required protocol must be checked against the selected inverter before ordering.
Is the battery compatible with my inverter?
Compatibility depends on the inverter model, communication protocol, firmware and system design. Contact POSON with the exact inverter model for confirmation before ordering.
Can the batteries be connected in parallel?
The series supports up to 16 units*. Final quantity depends on inverter protocol, communication compatibility and cable or fuse coordination.
Where can I get the product datasheet?
The POSNBAT5 datasheet is available in the Downloads section on this page. The Downloads directory also provides all three model datasheets and the complete series collection. Model-specific manuals and certificate files should be requested from POSON sales.
What applications suit POSNBAT5?
Typical applications include residential solar self-consumption, backup for selected household loads, and low-voltage hybrid or off-grid solar systems. Final suitability remains project-specific.