LiFePO4

Ultra long cycle life and lightweight Lifepo4 12V 3.5AH battery for Lights Exit Signs, Small-scale UPS, Uninterruptible Power Supply

Parameter	Specification
Nominal Voltage	12.8V
Capacity	3.5Ah
Energy	44.8Wh
Discharge Cut-off Voltage	8V
Max Charge Current	3.5A
Max Discharge Current	5A(≤5s)
Cycle Life	>3000
Self-discharge Rate	2%
Dimensions	90 x 70 x 101/107mm
Weight	0.6Kg
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 3.5AH battery for Lights Exit Signs, Small-scale UPS, Uninterruptible Power Supply | Battery Manufacturers in China & Battery Supply Factory

VTCBATT manufactures LiFePO4 12V 3.5Ah batteries featuring long cycle life and stable output for emergency exit signage, small UPS and backup power applications.

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 3.5AH 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

Uninterruptible Power Supply

The 12V voltage provides stable backup for small-scale UPS systems during brief outages.

Uninterruptible Power Supply 2

Lightweight design reduces overall weight for portable small-scale UPS units requiring easy transport.

Small-scale UPS

Ultra long cycle life ensures consistent performance for small-scale UPS deployments over many years.

Solar Street Lights

3.5AH capacity stores sufficient energy for solar street lights to operate through the night.

Lights Exit Signs

Ultra long cycle life minimizes maintenance needs for constantly active exit sign backup systems.

Fish Finders ( Sonar Sounders)

Lightweight construction reduces vessel weight, benefiting portable fish finders and sonar sounder installations.

Oxygen Concentrators

12V output matches standard oxygen concentrator inputs, ensuring reliable power for medical device operation.

Access Card Readers

Small 3.5AH capacity fits compact spaces while powering access card readers with low current.

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.