LiFePO4

Ultra long cycle life and lightweight Lifepo4 12V 400Ah battery for trolling motors, outdoor cinema, bilge pump backup

Parameter	Specification
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

✓Certification supportCB, CE, UL, UN38.3, MSDS, IEC61000, IEC62133, EU2023/1542

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Product overview

Ultra long cycle life and lightweight Lifepo4 12V 400Ah battery for trolling motors, outdoor cinema, bilge pump backup | Battery Manufacturers in China & Battery Supply Factory

VTCBATT manufactures LiFePO4 12V 400Ah batteries with stable output and extended cycle life for trolling motors, outdoor cinema, and bilge pump backup.

01

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.

Technical insight

Product and application details

trolling motors

The lightweight design reduces vessel weight while 400Ah capacity ensures extended runtime for deep-water trolling sessions.

outdoor cinema

High cycle life sustains repeated nightly projections without degradation, supporting the demanding load of outdoor cinema equipment.

LED Deck lighting

Lightweight construction simplifies installation on boats, while 12V output directly powers LED deck lighting arrays efficiently.

Trolling motors

The lightweight design reduces vessel weight while 400Ah capacity ensures extended runtime for deep-water trolling sessions.

Portable traffic signals

Ultra long cycle life supports frequent charge/discharge cycles required for mobile portable traffic signal operations.

Variable message boards

400Ah capacity provides substantial energy storage for variable message boards, ensuring consistent operation during extended deployments.

Radio repeaters

The 12V voltage stabilizes power for radio repeaters, leveraging high cycle life for continuous remote transmission.

bilge pump backup

Lightweight build allows easy placement in confined bilges, ensuring quick activation of pumps during emergency flooding.

Factory capability

VTCBATT Production and Service

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 provides comprehensive support from pre-sales to after-sales, focusing on customer feedback to establish long-term and win-win cooperation. VTCBATT professional sales and technical engineer teams will be your custom battery experts for reliable and responsive project support.

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Modern Manufacturing

From raw materials mixing to cell testing, VTCBATT adopts automated manufacturing processes to improve production efficiency and battery quality, safety, and reliability. The manufacturing process is monitored and tested before material moves to the next procedure.

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Trusted by Global Customers

Over the past 20 years, VTCBATT has built partnerships with customers in more than 50 countries. Reliable quality, responsive service, and tailored battery solutions support long-term cooperation with equipment manufacturers, distributors, and brands.