Ultra long cycle life and lightweight Lifepo4 12V 400Ah battery for trolling motors, outdoor cinema, bilge pump backup
- 10x the life of traditional SLA batteries.
- 3x the durability of average lithium competitors.
- Near-zero maintenance costs for the next decade and a half.
- Safe & Stable: UL-listed cells and advanced thermal management.
- Rapid Recharge: 4x faster charging than SLA, ensuring zero-downtime for critical applications.
Flexible order quantity to support prototype testing and mass production.
Batteries certified to UL,CE,UN38.3,MSDS,ROHS,IEC62133 and more global standards.
Customized size,current, case and working temperature.
7-10 days quick delivery.
Top 12V 400Ah LiFePO4 Lithium Battery Manufacturers in China
A 12V 400Ah LiFePO4 battery is a type of rechargeable lithium iron phosphate battery, consisting of four prismatic lifepo4 400Ah cells in series and parallel to reach 12.8V nominal voltage and 400Ah nominal capacity. It’s a high performance lithium battery, designed primarily as a lightweight and smaller replacement for traditional 12V 400Ah Sealed Lead Acid (SLA) batteries.
Rated at a nominal voltage of 12.8V, 12V 400Ah rechargeable lithium battery has a cut-off voltage of 9V and a maximum charge voltage of 14.6V.Featuring high energy density and lightweight, the 12V 400Ah lithium battery is compatible with most standard 12V electronics and chargers for trolling motors, outdoor cinema, bilge pump backup.
| Parameter 1 | Value 1 | Parameter 2 | Value 2 |
|---|---|---|---|
| Nominal Voltage | 12.8V | Capacity | 400Ah |
| Energy | 5120Wh | Discharge Cut-off Voltage | 8V |
| Max Charge Current | 100A | Max Discharge Current | 400A(≤5s) |
| Cycle Life | >3000 | Self-discharge Rate | 2% |
| Dimensions | 522 x 240 x 218mm | Weight | 38.9Kg |
| Operating Temperature | -20℃ to 60℃ | Storage Temperature | 0 to 25ºC |
| Protection | Overcharge, Overdischarge, Overcurrent / Short-Circuit, Temperature, Cell Balancing | ||
LiFePO4 Battery Advantage
- Ultra-Long Lifecycle: Over 3,000 deep cycles, lasting 10 times longer than traditional lead-acid batteries.
- Lightweight: Typically uses the standard SLA case size, but 1/3 weight of the traditional 12V 400Ah lead-acid battery.Drop-in replacement for alarm system and UPS units.
- Cost Per Cycle: Lifepo4 battery is only 1/4 cost of traditional lead acid battery in long run term.
- 100% Usable Capacity： Supports 100% DOD, delivering 40% more usable energy than equivalent lead-acid packs
- Smart BMS Protection： Integrated Smart BMS prevents overcharging and shorts, ensuring absolute safety for users.
- Eco-Friendly & Compliant ： Non-toxic, sustainable, and fully certified with CE, UN38.3, and RoHS standards.
Lifepo4 battery Feature
Superior lifepo4 battery features only 3% self discharge rate per month. Ensure your equipment always ready to go even after several months of storage.Eliminate regular maintenance in water filling and acid check compared to traditional lead-acid batteries.
Lifepo4 battery is inherently safe chemistry against thermal runaway.
The integrated smart BMS can protect against extreme conditions to ensure ultimate safety for different power solutions.
The 12V lifepo4 battery adopts a modular design for flexible scalability.You can easily connect multiple 12V 400Ah battery modules in series or parallel ,tailor made for your increasing power demand.
Why Choose VTCBATT?
VTCBATT not only focuses on customized design and excellent service to meet the diverse demands of different customers, but also devotes itself to precise and standardized manufacturing in every process to ensure the highest-quality batteries. Meanwhile, VTCBATT will provide comprehensive support from pre-sales to after-sales, focusing on customers’ feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your best custom battery experts to assist with reliable and fast services at any time.
From the raw materials mixing to the cell test, VTCBATT adopts an automatic manufacturing process to maximize production efficiency and enhance the batteries quality, safety, and reliability. The entire manufacturing process is monitored and 100% tested before flowing to the next procedure to ensure zero defects before delivery.
Over the past 20 years, VTCBATT has built strong partnerships with customers in more than 50 countries worldwide. With reliable quality, responsive service, and tailored battery solutions, we have earned the trust of our clients—many of whom have maintained long-term cooperation and lasting friendships with us for over a decade. Together, we continue to grow and move forward toward a brighter future.
Application
The VTCBATT LiFePO₄ (Lithium Iron Phosphate) battery is widely used in trolling motors, outdoor cinema, bilge pump backup, and industrial equipment, where high safety, long cycle life, and stable power output are essential. With a modular and compact design, it is ideal for trolling motors, outdoor cinema, bilge pump backup.
This battery supports series and parallel configurations, with customized voltage, capacity, and intelligent BMS to precisely match your application requirements. Featuring excellent thermal stability, low internal resistance, deep cycle capability, and superior safety performance, the VTCBATT 12V 400Ah LiFePO₄ battery ensures efficient energy management, long service life, and reliable operation for both consumer and industrial applications.
