Does this battery require maintenance such as adding water?

No, it features a maintenance-free design that regenerates water from gas, so no refills are needed.

What are the main applications for this 4V 5.0AH battery?

It is widely used in access control systems, UPS, electric power, lighting, electric bicycles, and electronic scales.

Emergency Backup 4V 5 0ah Battery for Access Control Systems

Name: Emergency Backup 4V 5 0ah Battery for Access Control Systems
Brand: FUZHOU JIAXIN ENERGY INDUSTRY CO., LTD.
SKU: 2243796845

Fujian, ChinaFUZHOU JIAXIN ENERGY INDUSTRY CO., LTD.

US$2.30-2.80

500 Pieces

Sample price:US$2.50/piece.Request sample

Product profile

Customization

Available

Type

Lead-Acid Batteries

Usage

Car, UPS, Electric Power, Lighting, Electric Bicycle, Electronic Scale

Model NO.

JIA-4V5.0

Nominal Voltage

Discharge Rate

High Discharge Rate

Shape

Square Battery

Electrolyte

Acid

Installation

Packaged

Rechargeable

Chargeable

Nominal Capacity

5ah

Normal Voltage

Cycle Use Voltage

4.8-5.0V

Standby Use

4.5-4.6V

Initial Current

Below 1.5A

Operation Temperature (Charging)

0~50ºC

Operation Temperature (Discharging)

-20~60ºC

Storage Temperature

10~35ºC

Storage Humidity

<75%Rh

Weight

About 0.51kgs

Transport Package

Explosion-Proof Carton and Pallet Packing

Specification

47x47x100mm (LxHxW)

Trademark

JIAXIN

Origin

Fuzhou

HS Code

85072000

Production Capacity

5400000PCS/Year

Key features

High Discharge Performance: Exceptional high-rate discharge and cyclic performance for faster starts.

Premium Lead Purity: Crafted with 0.99996 pure lead for consistent electrochemical reactions.

Maintenance-Free Design: Regenerates water from gas, eliminating the need for refills.

Durable ABS Shell: Flame-retardant ABS casing provides sealing and explosion-proof features.

Corrosion Resistance: Lead-Tin alloy bus bars and silver-plated copper terminals resist rust.

Versatile Applications: Ideal for access control, UPS, electric cars, and emergency lighting.

Low Self-Discharge: Large capacity with low self-discharge; needs recharge every 6 months if unused.

Spill-Proof Safety: Silicon-Fluorin rubber cap prevents corrosive leaks; liquid-free design.

Company profile

FUZHOU JIAXIN ENERGY INDUSTRY CO., LTD.

Fujian, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2005-03-03Nearest Port: FUZHOU, XIAMEN, GUANGZHOUAverage Response Time: ≤0.66hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF

AI-Powered supplier vetting

SummaryThe supplier demonstrates battery-related technical and production capabilities, including laser welding, battery-cell sorting, clean and flexible workshops, mixed production lines, and 3D-printed customized battery cases and tools. It offers sample-, design-, full-, minor-, and flexible-customization services, and reports recent product development and ODM availability. However, it is explicitly not classified as a professional technical supplier, does not provide 3D software design, has no stated certifications, overseas agents, overseas warehouse, showroom, or offline trade-show participation. Finished products are checked by packing staff, and no formal written supplier-assessment procedure is reported. Financial credibility cannot be established because the provided financial figures are zero and no additional corroborating information is available.

After-Sales capabilityThe supplier has no stated in-stock service capability, overseas warehouse, overseas showroom, overseas agents or branches, and reports zero countries with overseas services. Lead time is stated as one month in both peak and off-season, but this does not establish after-sales support capability.

Financial creditThe supplied financial records for the stated years show zero operating revenue, operating cost, gross profit, and operating profit. These figures provide no positive evidence of operating financial strength and raise a material credibility concern, although the slices do not explain whether the data reflects actual operations or incomplete reporting.

R&D capabilityThe supplier reports a new product within the past year, ODM service availability, continuous research and technological innovation, 3D printing for customized battery cases and grinding tools, laser welding, and automated cell sorting and testing equipment. It does not provide an SDK and does not offer 3D software design services, but the product and process evidence supports innovation capability.

Production capacityThe supplier describes clean and flexible production workshops, compatibility with square-shell and cylindrical cells, mixed production lines, laser welding with stated penetration depth of 0.5–1 mm, and automated sorting and testing equipment. These details explicitly support production capability, although no output capacity or formal quality certification is provided.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM services and the ability to 3D-print customized battery cases and grinding tools, supporting a broad customization capability despite the absence of 3D software design services.