What payment methods are accepted?

T/T, Trade Assurance, and PayPal.

How do you ship the battery packs?

All shipments comply with UN38.3. Packaging is suitable for air and sea transport, with MSDS and test reports. Shipping terms: FOB, CIF, DDP.

What is your warranty policy?

Standard warranty: 12 months against manufacturing defects. Longer warranty optional.

Which industries use your batteries?

Our packs are widely used in: Robotics & AGVs, Medical devices, Consumer electronics, Power tools, E-bikes & scooters, UPS & backup power, Industrial equipment, Marine applications.

OEM Custom 8s2p 28.8V 10000mAh BMS 21700 Lithium Battery Pack for Multiple Applications

Name: OEM Custom 8s2p 28.8V 10000mAh BMS 21700 Lithium Battery Pack for Multiple Applications
Brand: EVVA TECHNOLOGY CO., LIMITED
SKU: 2322247905

Guangdong, ChinaEVVA TECHNOLOGY CO., LIMITED

US$100.00-1,000.00

5 Pieces

Sample price:US$235.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Rechargeable

Chargeable

Discharge Rate

High Discharge Rate

Size

Large

Accessories Type

Battery

Rated Capacity

>1000MAH

Standard Voltage

0.1V~100V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car, Solar Energy Storage, Electric Mobility,Industry

Electrolyte

Li-ion

Connector Type

OEM

Transport Package

Carton

Specification

OEM

Trademark

EVVA/OEM/ODM

Origin

China

HS Code

8507600090

Production Capacity

1000 Pieces/Day

Key features

Customizable Specifications: Nominal voltage, capacity, charge current, and discharge current are fully customizable to meet specific needs.

Superior Cell Quality: Uses Class-A cells from top brands like Samsung, LG, and Panasonic with 100% original guarantee.

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

Wide Application Range: Suitable for solar storage, electric mobility, golf carts, forklifts, and portable power stations.

High Energy Density: Compact design offers large energy storage with lightweight and portable form factor.

Multiple Certifications: Products certified with UL, CE, PSE, KC, ROHS, UN38.3, and ISO 9001:2015.

Fast Charging Capability: Supports quick charge and recovery for fast-paced modern driving and usage.

Flexible Customization Options: Offers full customization including casing, connectors, wiring, and BMS functions.

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: ≤15h

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 you a factory?

Yes. We are a manufacturer with over 20 years of experience in lithium battery solutions. We provide OEM/ODM services, covering design, assembly, testing, and quality control under ISO 9001:2015.

Q:How do you ensure battery quality?

All cells are 100% original from brands such as Samsung, LG, Panasonic, Molicel, Murata, and Lithium Werks. Each cell is tested and matched before assembly. Every finished pack is fully inspected before shipment.

Q:Do you support custom battery packs?

Yes. We customize voltage, capacity, casing, connectors, wiring, and BMS functions according to customer needs.

Q:What information is needed for custom design?

Please provide: Required voltage & capacity, Continuous/peak discharge current, Size & weight limits, Application details (e.g., e-bike, robotics, medical), Certification needs (UN38.3, CE, RoHS, UL, etc.), Estimated order volume.

Q:What certifications do you have?

ISO 9001:2015, CE, RoHS, CB, UN38.3, MSDS. We also support OEM packs with additional certifications if needed.