Usable energy
Capacity and cut-off strategy are sized around real daily depth of discharge and reserve requirements.
Long-cycle energy for daily work
Deep Cycle LiFePO4 Battery Solutions
LiFePO4 battery systems designed around usable energy, cycle depth, charge source, peak current, installation environment, communications, and service life.
3000+Cycle-life starting point for many configured systems
12.8–76.8VCommon platform voltages with custom configurations
Up to 4SProject-dependent series expansion with compatible BMS
Smart BMSProtection, balancing, telemetry, and communication options
Solution overview
Deep-cycle performance is a system design target.
Cell cycle data alone does not define field life. Depth of discharge, charge voltage, current, temperature, balancing, vibration, enclosure, and standby load all affect the result.
VTCBATT coordinates cells, BMS, busbars, thermal layout, enclosure, communications, charger compatibility, and production controls.
- Grade-controlled LiFePO4 cell sourcing and matching
- BMS current, protection, balancing, and communication design
- Mechanical architecture for mobile and stationary equipment
- Charge-source and application-load validation
Performance priorities
What the battery system must solve.
The target is translated into measurable electrical, thermal, mechanical, safety, and production requirements.
Cycle-life control
Cell window, temperature, charge profile, balancing, and current are managed to support long service.
High-current architecture
Cells, busbars, BMS, terminals, cables, and thermal paths are rated as one system.
Service integration
Bluetooth, CAN, RS485, display, heating, fuse, contactor, and charger coordination can be specified.
Integrated engineering
From one performance requirement to a production-ready pack.
Cells are only one part of the solution. The complete current path, structure, electronics, test plan, and manufacturing controls are developed together.
Energy model
Calculate daily energy, autonomy, reserve, depth of discharge, charge time, and seasonal conditions.
Electrical system
Define series/parallel structure, BMS, fuse, current paths, terminals, and communications.
Mechanical system
Develop enclosure, mounting, ingress protection, vibration support, service access, and labels.
Validation
Test capacity, cycle, current, thermal behavior, protection, charger compatibility, and equipment operation.
Technical framework
Define the operating target before selecting a battery.
| Typical chemistry | LiFePO4 prismatic, cylindrical, or pouch platform |
|---|---|
| Common voltages | 12.8V, 25.6V, 38.4V, 51.2V, 72V / 76.8V |
| Capacity range | Application-specific small packs through large energy systems |
| BMS options | Balancing, Bluetooth, CAN, RS485, heating, contactor, display, and event logging |
| Validation focus | Capacity, cycle, current, thermal rise, vibration, protection, charger, and system integration |
Application fit
Products that benefit from this solution.
Solar energy storage
Battery architecture is matched to the device load, environment, enclosure, charging, and service-life target.
Golf carts and mobility
Battery architecture is matched to the device load, environment, enclosure, charging, and service-life target.
RV and mobile systems
Battery architecture is matched to the device load, environment, enclosure, charging, and service-life target.
Home energy storage
Battery architecture is matched to the device load, environment, enclosure, charging, and service-life target.
Related battery platforms
Starting points for engineering evaluation.
Final battery selection and specifications should be confirmed against the complete application requirement.
Factory and validation
Engineering decisions supported by controlled manufacturing.
VTCBATT supports cell matching, incoming inspection, pack assembly, electrical testing, temperature testing, vibration, impact, protection verification, application-load testing, and certification planning.
Factory-direct
Engineering, assembly, inspection, and production support within one supply chain.
OEM & ODM
Custom electrical, mechanical, labeling, packaging, and documentation options.
Stable BOM
Controlled sourcing, revision management, cell matching, and repeat-order standards.
Compliance support
Project planning for UN38.3, IEC 62133, UL, CE, RoHS, MSDS, and market requirements.
FAQ
Common deep cycle lifepo4 battery questions.
What information is required to evaluate this battery solution?
Provide nominal voltage, target capacity or runtime, continuous and peak current, maximum dimensions, temperature range, charging method, annual quantity, and certification requirements.
Can VTCBATT customize the pack dimensions and electronics?
Yes. Cell arrangement, dimensions, BMS or PCM, connector, wire length, NTC, communication, label, enclosure, mounting, and packaging can be developed around the product.
Can prototype samples be built before production?
Yes. Prototype packs can be produced for installation, load, runtime, charging, thermal, protection, and device-level validation before the BOM is released.
How is repeat-order quality controlled?
VTCBATT uses controlled cell sourcing, matching criteria, documented BOMs, process inspection, electrical tests, and outgoing inspection to support stable production.
Which certifications can be supported?
Depending on chemistry and target market, support may include UN38.3, IEC 62133, UL, CE, RoHS, MSDS, transport documents, and project-specific tests.
How many cycles can a deep-cycle LiFePO4 battery deliver?
Many properly configured deep-cycle LiFePO4 batteries target 3,000 or more cycles, but the result depends on depth of discharge, charge voltage, current, temperature, balancing, and the specified end-of-life capacity. Gentler operating conditions can support a longer service life.
What is the nominal voltage of a LiFePO4 battery system?
A LiFePO4 cell has a typical nominal voltage of 3.2V. Common series platforms include 12.8V for 4S, 25.6V for 8S, and 51.2V for 16S battery systems.
Can LiFePO4 replace lead-acid batteries in solar, RV, or marine equipment?
LiFePO4 can often replace lead-acid after charger voltage, low-temperature charging, peak current, enclosure size, terminals, BMS limits, and series or parallel requirements are verified. It should be engineered as a system replacement rather than selected by nominal voltage alone.
Which smart BMS functions are available for deep-cycle LiFePO4 packs?
Options can include cell balancing, Bluetooth, CAN, RS485, heating control, contactor control, SOC display, event logging, programmable protection thresholds, and charger or equipment communication.
Start a solution project
Bring us the performance target. We will engineer the battery.
Share the device, voltage, runtime, current, dimensions, environment, quantity, and certification targets for an engineering review.