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.

High Discharge 22.2V 25ah 6s7p 21700 Lithium Battery for Racing Drones, High-Performance RC Models

Name: High Discharge 22.2V 25ah 6s7p 21700 Lithium Battery for Racing Drones, High-Performance RC Models
Brand: EVVA TECHNOLOGY CO., LIMITED
SKU: 2236057075

Guangdong, ChinaEVVA TECHNOLOGY CO., LIMITED

US$147.00

100-149 Pieces

US$126.00

150+ Pieces

Sample price:US$221.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

EV21700-6S7P

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Small

Accessories Type

Battery

Rated Capacity

>1000MAH

Standard Voltage

>12V

Electrolyte

Li-ion

Transport Package

Paper Box

Specification

Customized

Trademark

EVVA or OEM

Origin

China

HS Code

850760

Production Capacity

30000PCS/Week

Key features

High Discharge Rate: Max continuous discharge current up to 70A for high-performance applications.

Customizable Dimensions: Dimensions can be customized to fit specific device requirements.

Customizable Connectors: Connectors are fully customizable to match various equipment interfaces.

Superior Cell Quality: Uses Class-A Li-ion cells from top brands like Samsung, LG, and Panasonic.

Long Cycle Life: Provides over 500 charge-discharge cycles for extended durability.

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

High Energy Density: Compact design offers large energy storage in a lightweight form factor.

Wide Application Range: Suitable for racing drones, robotics, medical devices, and IoT sensors.

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: ≤11.98h

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 15 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.