What is your warranty policy?

We guarantee pre-shipment quality. From the delivery date, we offer a 30-day free refund, 4-month free replacement, and lifetime repair service. Damage due to improper use is not covered.

Evva High Quality 18650 2s2p 8.4V Battery Pack Waterproof

Name: Evva High Quality 18650 2s2p 8.4V Battery Pack Waterproof
Brand: EVVA TECHNOLOGY CO., LIMITED
SKU: 2214644905

Guangdong, ChinaEVVA TECHNOLOGY CO., LIMITED

US$14.00-18.00

100 Pieces

Sample price:US$10.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

EV1865W-2S2P

Rechargeable

Chargeable

Discharge Rate

Customized

Size

(L)40mm*(W)40mm*(H)75mm

Accessories Type

Battery

Rated Capacity

5.2ah, 6.8ah, 7ah

Standard Voltage

7.4V

Usage

Toys/Power Tools/Home Appliance

Electrolyte

Li-ion

Cells Origin

A Grade Original Cells From Japan and South Korea

Std. Charge Voltage

8.4V

Weight

200g

BMS/PCM (Protection Circuit)

Aganist Over Charge, Over Discharge and Short Circ

Supply Ability

50000 Piece/Pieces Per Month

Cycle Life

Over 1000 Times

Connector

Optional

Full Charged Voltage

4.2V

Std. Charge Current

Max. Continuous Discharge Current

Transport Package

Pack

Specification

EV1865W-2S2P

Trademark

EVVA/OEM

Origin

Guangdong

Production Capacity

50000pieces/Year

Key features

Premium Cell Selection: Uses 100% original A-grade cells from Samsung, Panasonic, LG, and Molicel.

Waterproof Design: Housing made of waterproof silicon rubber for durability in harsh environments.

Comprehensive Protection: Built-in BMS protects against over charge, over discharge, and short circuits.

High Cycle Life: Endures over 1000 charge cycles for long-term reliable performance.

Factory Direct OEM/ODM: Direct manufacturer with 15+ years experience offering full customization.

Global Certifications: Certified with CE, RoHS, CB, UN38.3, and MSDS for international safety.

Flexible Capacity Options: Available in 5.2Ah, 6.8Ah, and 7Ah configurations to suit various needs.

Fast Stock Delivery: Stock products delivered within 2 business days after payment confirmation.

Company profile

Exhibition ExperienceManagement CertificationQuality AssuranceCustomization from Designs

EVVA TECHNOLOGY CO., LIMITED

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Designs, Full Customization, etc. CertifiedExport Year: 2 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤11.22h

AI-Powered supplier vetting

SummaryThe supplier operates across new-energy technologies, batteries and components, electronic equipment, automation, intelligent UAVs, AI-related services, and specialized materials. It reports ISO 9001/ISO 9001:2015 management-system certification and CE product compliance certification. Evidence indicates broad customization and ODM/OEM capabilities, recent product development, three production lines, and equipment for lithium-battery sorting, welding, balancing, testing, and inspection. However, the supplier reports no available SDK, while after-sales complaint handling and corrective/preventive-action arrangements are recorded only as “Others.” Financial records are indicated for 2022–2024, but the slices do not provide assessable financial performance details. Customer-related evidence is limited to OEM service for known brands, without named customers or specific case outcomes.

Supplier typeThe supplier is positioned as a diversified manufacturer and technology provider covering batteries, new-energy equipment, electronic and electromechanical products, automation systems, intelligent UAVs, AI and IoT-related services, and specialized chemical or bio-based materials. This breadth supports classification as a multi-sector new-energy and technology manufacturer rather than a narrowly focused supplier.

CertificationsThe supplier reports ISO 9001 and ISO 9001:2015 management-system certification, together with CE certification for product compliance. These are explicit certifications covering management systems and product conformity, although no additional certification types are provided.

R&D capabilityThe supplier reports new products within the past year, ODM services, broad design customization, and activities involving emerging energy technologies, AI systems, algorithms, IoT, electronic materials, automation, and intelligent UAVs. It explicitly reports no available SDK, which limits evidence for software-development integration capability but does not negate the demonstrated product and technology R&D scope.

Production capacityThe supplier operates three production lines and reports manufacturing capabilities spanning batteries, battery components, specialized electronic equipment, robots, automation systems, electromechanical products, communication devices, and intelligent UAVs. Listed equipment includes automatic cell sorting, spot welding, lithium-battery balancing, resistance testing, CCD projection, and an automated lithium-battery sorting and welding line, providing direct evidence of battery-related production infrastructure.

Customization capabilityThe supplier explicitly offers customization from designs, minor customization, flexible customization, and full customization. These options are reported both for R&D/design services and as a design-services capability, indicating support for projects across multiple customization levels.

Product Q&A

Q:Are your battery quality approved?

Yes, we guarantee all cells are 100% original from Lithiumwerks, Molicel, Panasonic, Samsung, LG, and Murata. Before assembling into battery packs, each cell undergoes comprehensive inspection and grouping. All finished battery packs are fully inspected before shipment.

Q:How can you prove the cells you use are 100% original?

We can provide original packaging lists, factory inspection reports, and other relevant documents issued by these manufacturers.

Q:Are you a factory? What services do you provide?

Yes, we operate our own factory with a team experienced in lithium batteries for over 15 years. We offer OEM and ODM services for battery packs, with quality strictly controlled under ISO 9001:2015 standards.

Q:What certifications do you hold?

We hold ISO 9001:2015 for quality management systems. Our batteries are certified with CE, RoHS, CB, UN38.3, and MSDS. For OEM battery packs, we assist clients in obtaining necessary certifications.

Q:What payment methods do you accept?

We accept T/T (Telegraphic Transfer), Trade Assurance, and PayPal.