96V/144V/192V Customizable LiFePO4 Battery Modules
Scalable high-voltage rack LiFePO4 battery modules. Customizable 96V/144V/192V, 6000+ cycles, and seamless inverter compatibility. Get a factory-direct quote!
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LFP Battery Modules
Lithium iron phosphate (LiFePO4) modules for buyers who need long cycle life, thermal stability and a well-documented certification path more than maximum energy density.
Products in LFP Battery Modules
Product Overview
Lithium iron phosphate (LiFePO4) modules for buyers who need long cycle life, thermal stability and a well-documented certification path more than maximum energy density. The dominant module format in this category is the 51.2 V nominal / 100 Ah (5.12 kWh) building block, stackable in parallel to 20 kWh and beyond for residential storage, telecom sites, UPS and small commercial ESS. LFP’s phosphate-oxygen bond gives it a higher thermal runaway threshold than NMC, which is why this chemistry dominates stationary and backup applications where the module sits indoors or near occupied space.
Key Features
- 51.2 V / 100 Ah modular building block — 5.12 kWh per module, parallel-expandable to 20.48 kWh+ with module-level balancing.
- ≥6,000 cycles at 80% DoD — the commercial baseline for this category, with 5–10 year warranties common.
- Integrated smart BMS — overcharge, deep-discharge, short-circuit and over-temperature protection; CAN / RS485 / RS232 for inverter and EMS integration.
- Broad inverter compatibility — listed compatibility with SMA, Growatt, Victron, Deye, Pylontech and 20+ other inverter protocols is a procurement filter, not an afterthought.
- A-grade LFP cells, cobalt-free, no thermal propagation in standard module-level testing per product data.
- Certification-ready — IEC 62619, UL 1973, UN38.3, CE-EMC are the recurring certificate set for this category; confirm the certificate covers the module, not only the cell.
Technical Specifications（Typical 51.2V / 100Ah Class）
Parameter | Typical value | Notes |
|---|---|---|
Nominal voltage | 51.2 V (16S LFP) | Voltage window 45.6–56.8 V |
Nominal capacity | 100 Ah / 5.12 kWh | 200/300/400 Ah stackable variants |
Cycle life | ≥6,000 @ 80% DoD, 25°C | 10-year warranty options available |
Continuous charge/discharge | 50 A / 100 A typical | System-dependent up to 200 A |
Communication | CAN (500 kb/s) / RS485 (9600 b/s) / RS232 | Protocol mapping to inverter must be verified |
Operating temperature | –10 to +50°C (discharge/charge range varies by product) | Confirm low-temperature charge cutoff |
Parallel expansion | Up to 63 modules in parallel（product-dependent） | Module-level auto-balancing required |
Certifications | IEC 62619, UL 1973, UN38.3, CE-EMC | Module-level scope, not cell-level |
Enclosure | IP22 standard / IP54 optional | Wall-mount or rack-mount form factors |
Caveat: Values above describe the common 51.2V/100Ah class, not every product in the category. Use the specific module datasheet for procurement.
Typical Applications
Application | Fit rationale |
|---|---|
Residential solar self-consumption | 51.2V architecture retrofits existing PV systems without full replacement; 5–20 kWh modular capacity range |
Telecom base stations & remote towers | Stable backup for 5G and remote telecom sites; long float life at 25°C cited up to 15 years in some products |
UPS & data centers | Reliable backup for servers and IT infrastructure; LFP thermal stability suits indoor deployment |
Small commercial peak shaving / load shifting | Modular capacity scales with tariff structure; parallel expansion without replacing existing modules |
Hybrid & off-grid systems | Compatible with hybrid inverters for islanded, agricultural and microgrid sites |
Installation & Maintenance Notes
Installation
- Terminal torque must follow the specific module datasheet. LFP modules use M8 fasteners in many designs, but published torque values range from 4–6 N·m to 10–12 N·m depending on terminal construction — there is no single “LFP torque.” Use a calibrated wrench and re-check after the first thermal cycle.
- Do not mix capacities, brands or production batches in one parallel string without engineering review. Voltage and impedance mismatch at the point of paralleling can cause large inrush current; charge each module individually to matched voltage before closing paralleling breakers.
- Strain-relieve cable weight. The terminal is not a structural anchor; undersized or unsupported cables can heat or damage the terminal.
- Verify polarity and pre-charge sequence before energizing. LFP modules have low internal resistance; a reverse connection or uncontrolled inrush can damage the BMS.
Maintenance
- Terminal torque and visual inspection: every 6–12 months. Re-check torque, look for discoloration or corrosion, and verify lugs cannot be rotated by hand after tightening.
- BMS log review: monthly. Cell voltage spread, temperature trend and state-of-health degradation rate are the early indicators of module imbalance. LFP’s flat discharge curve means voltage alone is a poor state-of-charge indicator; BMS data is the primary diagnostic.
- Capacity test: baseline at commissioning, then annually for backup duty. Compare usable capacity against nameplate and the cycle-life warranty threshold.
- Modules stored >12 months: capacity-check before deployment; do not assume stored modules retain nameplate capacity without verification.
Gallery
FAQs
What distinguishes LFP from the NMC modules in this catalogue?
Cycle life and thermal stability, primarily. LFP modules in this category are typically rated ≥6,000 cycles at 80% DoD with higher thermal runaway thresholds. NMC offers higher energy density and better cold-temperature discharge, but shorter cycle life at comparable depth of discharge. For daily-cycling stationary storage where space is not the binding constraint, LFP is the lower-lifetime-cost default.
Which certifications should appear on the module datasheet?
At minimum UN38.3 for transport and IEC 62619 for industrial module safety. For North America, UL 1973 is the module credential. Confirm the certificate scope covers the module assembly, not only the cells — this is the most common certification gap in LFP module procurement.
Can LFP modules of different capacities be paralleled?
Only with engineering review and a BMS that supports mixed-capacity strings. Paralleling different capacities creates current imbalance during charge and discharge; the larger module can overcharge the smaller one or vice versa. The safe procurement rule is: match capacity, voltage window and BMS protocol across every module in a parallel bank.
Is LFP suitable for cold climates?
LFP discharge performance weakens below freezing, and charging below 0°C must be blocked by the BMS to prevent lithium plating. If the installation site regularly drops below freezing, verify the module’s low-temperature charge cutoff and consider a heated enclosure or an NMC alternative where cold-weather charge acceptance is required.
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