Nominal voltage
Deep-cycle lead-acid replacement series
12V & 24V LiFePO4 Lead-Acid Replacement Batteries
Custom 12.8V and 25.6V LiFePO4 batteries developed as lighter, long-life alternatives to selected lead-acid batteries in deep-cycle, backup and auxiliary power applications.
Typical capacity
50Ah to 300Ah
Protection
Integrated project-specific BMS
Product details & applications
See how the solution is configured and applied.
Continuous current, peak load, thermal sensing, terminal layout and mechanical retention are coordinated for the approved battery.
Charger settings, cables, fusing, current demand and mounting must be compatible before a lithium replacement is approved.
Product overview
Engineered around the application.
Custom 12.8V and 25.6V LiFePO4 batteries developed as lighter, long-life alternatives to selected lead-acid batteries in deep-cycle, backup and auxiliary power applications.
Key features
- 4S or 8S LiFePO4 architecture
- Integrated cell balancing and protection
- Deep-cycle design for repeated charge and discharge
- M8, SAE-style or customized terminals
- ABS, metal or project-specific enclosure options
- Optional Bluetooth, CAN or RS485 communication
- Optional low-temperature charging protection or heating
- Prototype, private-label and OEM production support
Common configurable ranges
Useful starting points for an RFQ.
These are selection ranges rather than fixed stock SKUs. Dimensions, capacity, load and interfaces must be evaluated together.
Voltage class
12.8V / 4S25.6V / 8SOther by project review
Capacity discussion range
50Ah100Ah150Ah200Ah300AhCustom by feasibility
Interface options
M8 terminalsSAE-style terminalsStatus displayBluetoothCAN / RS485Low-temperature heating
Customization capabilities
Electrical, mechanical and interface options.
01
12.8V / 25.6V
02
Capacity
03
Continuous current
04
Peak current
05
BMS functions
06
Low-temperature heating
07
Bluetooth
08
CAN / RS485
09
Terminal type
10
Case dimensions
11
Ingress protection target
12
Branding & packaging
Typical specifications
Detailed engineering discussion range.
Values below describe common feasibility discussions—not a guaranteed stock model. Final limits are confirmed in the approved specification, prototypes and project validation.
Core product specifications
| Battery chemistry | Lithium iron phosphate (LiFePO4) |
|---|---|
| Nominal voltage | 12.8V (4S) or 25.6V (8S) |
| Typical capacity range | 50Ah to 300Ah; other capacities subject to feasibility |
| Nominal energy range | Approximately 640Wh to 7.68kWh, depending on voltage and capacity |
| BMS | Cell balancing plus overcharge, over-discharge, over-current, short-circuit and temperature protection selected for the project |
| Charge profile | Lithium-compatible charger settings confirmed with the approved cell and BMS specification |
| Discharge current | Continuous and peak current defined by the application, cells, BMS and thermal design |
| Cycle-life target | Typically 2,000 to 5,000+ cycles under specified depth-of-discharge, temperature and charge conditions |
| Terminals | M8, SAE-style or customized power terminals |
| Enclosure | ABS or metal case; mounting and ingress-protection targets reviewed per project |
Integration, validation & production
| Communication options | Bluetooth, CAN, RS485 or status display where required |
|---|---|
| Production support | Prototype, pilot, private-label and OEM / ODM production |
| Typical full-charge voltage | Commonly 14.2–14.6V for a 12.8V battery or 28.4–29.2V for a 25.6V battery; final limits follow the approved cell and BMS |
| Charge temperature | Typically 0°C to 45°C unless a low-temperature charge strategy or heating system is approved |
| Discharge temperature | A commonly discussed range is -20°C to 60°C, subject to cell, BMS, enclosure and load validation |
| Self-discharge | Cell-, BMS- and storage-condition dependent; storage SOC and maintenance interval are defined in the product specification |
| Parallel / series use | Only when the exact battery platform, BMS and system architecture are approved for it; not assumed by default |
| Status indication | Optional SOC display, LEDs, Bluetooth app or communication interface |
| Replacement review | Existing charger, alternator, inverter, fusing, cable size, low-voltage cut-off and load surge must be checked |
| Compliance planning | UN 38.3 transport scope, IEC / UL battery standards, EMC and application-specific approvals are evaluated per project |
Applications
Typical product uses.
Marine house loads & trolling motors
Configuration is evaluated against the device load, available space, operating environment and production requirements.
RV & caravan auxiliary power
Configuration is evaluated against the device load, available space, operating environment and production requirements.
Mobility equipment
Configuration is evaluated against the device load, available space, operating environment and production requirements.
UPS & backup systems
Configuration is evaluated against the device load, available space, operating environment and production requirements.
Industrial and telecom equipment
Configuration is evaluated against the device load, available space, operating environment and production requirements.
Small solar and off-grid storage
Configuration is evaluated against the device load, available space, operating environment and production requirements.
Engineering support
From requirements to production.
- 01Requirement Review
- 02Electrical Evaluation
- 03Solution Design
- 04Prototype Development
- 05Testing & Validation
- 06Pilot Production
- 07Mass Production
FAQ
Planning your custom project.
Can a LiFePO4 battery directly replace a lead-acid battery?
It can replace selected lead-acid batteries when voltage, charger profile, continuous and peak current, terminal layout, enclosure space and system controls are compatible. Each application should be reviewed before replacement.
Can these batteries be used for engine starting?
Standard deep-cycle LiFePO4 batteries should not be presented as starter batteries. Engine-starting or cranking use requires a purpose-designed cell, BMS, current rating and application validation.
Can batteries be connected in series or parallel?
Series or parallel use must be designed and approved for the selected battery model and BMS. Maximum configuration, cabling, fusing and balancing requirements are confirmed in the project specification.
What happens during low-temperature charging?
LiFePO4 cells require controlled charging at low temperature. The project can include charge cut-off logic, temperature sensing or an optional heating strategy where required.
Which certifications are available?
Compliance documents and certification scope depend on the selected cells, battery design, target market, transport method and order requirements. No certification is assumed until confirmed in writing.
Faster engineering review
Send the details that define your application.
- Device and use environment
- Voltage, load and runtime
- Maximum dimensions
- Charging method
- Connector or interface
- Prototype and annual quantity
Start a project
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Tell us your voltage, capacity, size, power or application requirements. We will help evaluate the right battery, solar or integrated solution.