VolTrust 12V 300Ah Self-Heating LiFePO4 Battery – 12300BTH
[3.84kWh of High-Capacity LiFePO4 Power] - The VolTrust 12300BTH 12.8V 300Ah LiFePO4 battery stores 3.84kWh of energy, providing dependable deep-cycle power for compatible RV, marine, trolling motor, off-grid, solar, and backup power systems.
[250A Continuous and 900A Peak Discharge] - Built for demanding loads, the 12300BTH supports up to 250A continuous discharge and 900A for 3 seconds, delivering the short-duration power needed for motor startup and other high-current applications.
[Smart BMS Protection and Cell Balancing] - The integrated battery management system helps protect against overcharge, over-discharge, excessive current, short circuits, and abnormal temperatures. Built-in passive balancing supports consistent cell performance and longer battery life.
[Automatic Heating for Cold-Weather Charging] - Charging is disabled below 23°F (-5°C) and resumes above 32°F (0°C). During charging, the internal heater activates below 41°F (5°C) and stops near 59°F (15°C) to help protect the cells in cold environments.
[Build Up to a 4-Series or 4-Parallel System] - Connect up to four matched batteries in series for a 51.2V 300Ah system, or up to four in parallel for approximately 12.8V 1200Ah and 15.36kWh. Always follow the manual's battery-matching, wiring, fuse, and breaker requirements.
[Bluetooth Monitoring and 5-Year Warranty] - Use the VolTrust Bluetooth app to view battery information, monitor operating status, and check fault codes from a compatible iOS or Android device. The 12300BTH is backed by a 5-year limited warranty, subject to current VolTrust warranty terms.
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Services & Benefits
Free Shipping
Free shipping is available on eligible products and U.S. destinations when shown on the product page or at checkout. Additional charges may apply for remote locations, freight delivery, or special handling.
View shipping policy30-Day Return Window
Eligible items may be returned within 30 days of delivery with prior approval from VolTrust. Products must be unused, uninstalled, and returned in their original condition with all packaging, accessories, manuals, and proof of purchase. Return shipping is the customer's responsibility unless the return is due to a confirmed VolTrust error or verified product issue.
View return policyShips from Our US Warehouse
Eligible in-stock orders ship from our NJ warehouse. Most orders are processed within 1–3 business days and typically arrive within 3–8 business days after shipment. Delivery times are estimates and may vary by destination, carrier schedule, weather, and freight requirements.
View delivery details5-Year Warranty
Eligible VolTrust lithium batteries are backed by a 5-year limited warranty covering verified defects in materials or workmanship under normal use. Warranty eligibility and available remedies are subject to the product condition, proof of purchase, installation details, and technical review.
View warranty policyOrders placed on weekends will be processed the following business day.
Smart BMS Protection
The VolTrust 12300BTH 12.8V 300Ah LiFePO4 battery features a 250A smart BMS that monitors voltage, current, and temperature while providing protection against overcharge, over-discharge, overcurrent, short circuits, and abnormal temperatures. Built-in cell balancing supports consistent performance and longer battery life.
High-Output Performance
Designed for demanding energy systems, the VolTrust 12300BTH lithium battery delivers up to 250A continuous discharge and 900A peak discharge for 3 seconds. It also supports cold-weather charging protection, Bluetooth monitoring, long cycle life, and systems using up to four matched batteries.
Cold-Weather Charging
Built-in low-temperature charging protection and automatic heating help protect the 12300BTH in cold environments. Charging stops below 23°F (-5°C), while the internal heater activates below 41°F (5°C) during charging and stops near 59°F (15°C).
Expandable 51.2V Power
Connect up to four matched 12300BTH batteries in series to build a 51.2V 300Ah system with 15.36kWh of stored energy. This flexible configuration supports compatible marine, trolling motor, off-grid, and high-capacity auxiliary power applications.
Bluetooth Battery Monitoring
Connect to the VolTrust Bluetooth app from a compatible iOS or Android device to view battery information and monitor operating status. Check state of charge, voltage, current, power, temperature, individual cell voltage, and BMS fault information from your smartphone.
Flexible Charging Options
Recharge the VolTrust 12300BTH 12.8V 300Ah battery with a compatible LiFePO4 charger, solar panel and MPPT controller, or generator charging system. Select charging equipment that follows the voltage and current requirements specified in the battery manual.
Versatile Power Applications
With 3.84kWh of deep-cycle LiFePO4 energy, the VolTrust 12300BTH provides dependable power for compatible off-grid systems, RVs, trolling motors, marine equipment, solar storage, and home backup applications.
Product Documents
FAQs
What applications is the 12300BTH designed for?
The VolTrust 12300BTH is a 12.8V 300Ah LiFePO4 deep-cycle battery with 3.84kWh of stored energy. It is designed for compatible RV, marine, trolling motor, off-grid, solar storage, and backup power applications. Before ordering, confirm the required voltage, capacity, discharge current, compartment dimensions, terminal layout, and charger compatibility.
Can I use my original lead-acid charger?
Use a charger with a LiFePO4 profile that meets the 12300BTH charging requirements. The recommended bulk and absorption range is 14.2V to 14.6V, equalization should be disabled, and temperature compensation should be set to zero. Do not use an incompatible or unregulated lead-acid charger.
Is a charger included with the 12300BTH?
Package contents may vary by the selected product option. Check the configuration and the “What’s in the Package” section before checkout to confirm whether a compatible LiFePO4 charger or other accessories are included.
How long does the 12300BTH take to charge?
A compatible 20A LiFePO4 charger typically requires about 15 to 17 hours to recharge a deeply discharged 300Ah battery under normal conditions. Actual charging time varies with the starting state of charge, battery temperature, charger output, absorption time, and system losses.
What can I monitor through the VolTrust app?
After connecting through Bluetooth, the VolTrust app can display state of charge, pack voltage, current, power, temperature, cycle information, warning status, and individual cell voltage. Available information and Bluetooth range may vary by phone and operating environment.
How does the 12300BTH charge in cold weather?
The 12300BTH includes low-temperature charging protection and automatic internal heating. Charging is disabled below 23°F (-5°C) and resumes above 32°F (0°C). During charging, the heater activates below 41°F (5°C) and stops near 59°F (15°C).
Can I connect 12300BTH batteries in series or parallel?
Yes. Up to four matched 12300BTH batteries may be connected in series for a 51.2V 300Ah system, or up to four may be connected in parallel for approximately 12.8V 1200Ah and 15.36kWh. Use batteries of the same model, age, capacity, and similar state of charge, with correctly sized and equal-length cables.
What discharge output does the 12300BTH support?
The 12300BTH supports up to 250A continuous discharge and 900A peak discharge for 3 seconds. Confirm that the connected inverter, motor, controller, cables, terminals, fuses, breakers, and expected load remain within the battery specifications.
How many cycles can the 12300BTH deliver?
Cycle life depends on depth of discharge, temperature, charging conditions, and system use. The manual lists approximately 5,000 cycles at 80% depth of discharge and up to 8,000 cycles at 30% depth of discharge, with about 80% remaining capacity under the stated test conditions.
What warranty does the 12300BTH include?
The 12300BTH includes a 5-year limited warranty. Coverage is subject to the current VolTrust warranty terms, proof of purchase, proper installation and use, and technical review. Review the warranty policy for complete eligibility, exclusions, and claim requirements.