Do you test all your goods before delivery?

Yes, all our products have more than 6~8 hours for againg, and strict test before dispatch

What's UPSEN Factory advantage?

1: High working efficiency and production, to be sure compeitive price 2: Strict material quality control, to be sure all materials meet CE standards 3: Independent test equipment suitable for most international standard tests 4: Each process been tested before assembling which can assure low fault rate, and improve shortages 5: Professional R&D Engineers with average bachelor degree 6: Products average upgrading every 1.5~2 years 7: 1% free unit or 2% free parts for timely warranty service 8: F

Replace VRLA Battery 25.6V 50ah Lithium Ion Battery Backup for UPS Solar System

Name: Replace VRLA Battery 25.6V 50ah Lithium Ion Battery Backup for UPS Solar System
Brand: Shenzhen UPSEN Electronic Co., Ltd.
SKU: 2116307724

Guangdong, ChinaShenzhen UPSEN Electronic Co., Ltd.

US$128.00

100-199 Pieces

US$110.00

200-299 Pieces

US$108.00

300+ Pieces

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

LFP

Model NO.

LR 25.6V 50Ah

Rechargeable

Yes

Size

Small

Electric Energy

1280wh

The Charging Ratio

The Discharge Rate

Warranty

2years

Certification

Transport Package

Carton

Specification

34*18*22CM

Trademark

UPSEN or OEM

Origin

China

HS Code

8504402000

Production Capacity

1000, 000PCS/Month

Key features

LFP Battery Chemistry: Uses Lithium Iron Phosphate cathode material for enhanced safety and stability.

2-Year Warranty: Comprehensive 2-year warranty coverage with free unit or parts replacement.

CE Certified: Products meet CE standards with strict material quality control.

OEM Service Available: Free OEM service provided with custom branded packaging upon authorization.

ODM Service for Volume: ODM service is available for large volume orders.

Rigorous Quality Testing: All goods undergo 6-8 hours aging test and strict checks before dispatch.

Professional R&D Team: Engineers with average bachelor degree ensure product upgrades every 1.5-2 years.

Flexible Delivery Terms: Supports EXW, FOB, CFR, CIF, DDU with 7-20 day lead time.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceSelf-brandedExhibition Experience

Shenzhen UPSEN Electronic Co., Ltd.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2009-04-08Nearest Port: ShenzhenAverage Response Time: ≤6.28hTerms of Payment: LC, T/T, PayPal, etc.International Commercial Terms(Incoterms): CFR, CIF, CIP, EXW

AI-Powered supplier vetting

SummaryThe supplier is identified as a trading company with a stated factory location, nine production lines, reported UPS and inverter output, and 21–30 quality-control staff. It has ISO9001:2015 certification and CE/RoHS product certification capability. Service processes, complaint handling, corrective actions, quality assurance, and material traceability are documented as established. The supplier supports several customization models and reported new products during the past year, but does not offer ODM services, provide SDKs, or provide OEM services for popular brands. Overseas infrastructure is limited: it reports no overseas warehouse, showroom, agent, or branch, and lists zero countries for overseas services. Financial records are referenced for 2022–2024, but the supplied information does not provide enough detail to assess financial strength. No customer cases are explicitly provided.

CertificationsThe supplier reports an ISO9001:2015 certificate and capability for CE and RoHS product certification. These are explicit certification-related credentials, although the slices do not separately confirm the validity scope or issuing details of each certification.

After-Sales capabilityThe supplier reports written and followed procedures for service capability, corrective and preventive actions, and customer complaints, together with quality assurance and material traceability. However, it reports zero countries for overseas services and no overseas warehouse, showroom, agent, or branch, indicating limited documented overseas service infrastructure.

R&D capabilityThe supplier reports new products during the past year and 21–30 years of total R&D-engineer experience, supporting some R&D activity. It has no available SDK, and the slices do not provide a quantified R&D team size, patent record, or development performance data.

Production capacityThe supplier reports nine production lines, annual output of 600,000 UPS pieces and 1,000,000 inverter pieces, and 21–30 quality-control staff. It also reports quality assurance and raw-material traceability, providing explicit evidence of production and quality-control capacity.

Customization capabilityThe supplier explicitly supports customization from samples, designs, full customization, minor customization, and flexible customization. It does not provide ODM services, but the listed customization options demonstrate broad stated customization capability.

Product Q&A

Q:What is packing?

Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, We can pack the goods in your branded boxes after getting your authorization letters.

Q:What is your terms of payment?

T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.

Q:What is your terms of delivery?

EXW, FOB, CFR, CIF, DDU.

Q:How about your delivery time?

Generally, it will take 7-20 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q:Can you OEM and ODM Service?

Yes, we can provide free OEM Service, and ODM Service is available for volume order too.