When can you send out the parcel?

About 5-7 days or according to the order quantity.

What are the payment ways?

We accept payment of T/T, Western Union, Paypal, Alipay, and cash.

What is the shipping way?

We use express delivery like DHL, UPS, Fedex, TNT or by air by sea, Postal packet, etc.

Can you accept OEM order with requested package?

YES, we accepted OEM order, printing your LOGO and design package as your request.

Replacement OEM T7820 Battery for Sunmi M2 Mobile Handheld Scanner 3.8V 3000mAh

Name: Replacement OEM T7820 Battery for Sunmi M2 Mobile Handheld Scanner 3.8V 3000mAh
Brand: Shenzhen Sunwind Energy Tech Co., Ltd.
SKU: 1999846965

Guangdong, ChinaShenzhen Sunwind Energy Tech Co., Ltd.

US$3.80-4.60

500 Pieces

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

LNO

Model NO.

sunmi m2

Rechargeable

Yes

Size

Small

Capacity for Battery

3000mAh

Voltage

3.8V

Battery Type

Lithium-Ion Battery

Power Source

Electric

Certification

CE, GB18287-2000

Socket Type of Charger

for USA/Canada

Packaging

Simple

Compatible Brand

Sunmi

Warranty

12 Months

MOQ

500PCS

Payment

Paypal, Western Union, Tt

Transport Package

PE Bag+White Box

Origin

China

HS Code

8507600090

Production Capacity

1000000PCS/Week

Key features

12 Months Warranty: Comprehensive 12-month warranty coverage for all battery products.

OEM & ODM Services: Full customization available including logo printing and package design.

High Capacity Battery: 3000mAh nominal capacity with 3.8V voltage for reliable power.

Factory Direct Sales: Direct from manufacturer with 3000sqm facility and 100 employees.

Multi-Brand Compatibility: Compatible with Sunmi M2 and supports various mobile phone brands.

Flexible MOQ for Trials: Sample orders accepted with MOQ as low as 100 pieces for quality check.

Fast Shipping: Dispatch within 5-7 days via DHL, UPS, FedEx, or air/sea freight.

Multiple Payment Options: Accepts T/T, Western Union, PayPal, Alipay, and cash payments.

Company profile

Importers and ExportersYears of Export ExperienceExperienced TeamExhibition Experience

Shenzhen Sunwind Energy Tech Co., Ltd.

Guangdong, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 11 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤11.40h

AI-Powered supplier vetting

SummaryThe supplier is identified as a combined company with manufacturing, export, service, quality-control, and R&D information provided. It reports broad customization and ODM capabilities, recent product development, OEM service for well-known brands, and 100% finished-product inspection supported by three quality inspectors. It has in-stock capacity, participates in offline trade shows, and reports exports to multiple countries and regions. However, it has no supplier-management-system certification, no valid manufacturing-capacity contract with related subcontractors, no overseas warehouse, showroom, agent, or branch, and zero stated countries with overseas services. Written procedures are absent for supplier approval, corrective and preventive actions, complaint handling, and supplier-service assessment. Financial records are referenced for 2021–2023, but the provided data does not establish financial strength.

Supplier typeThe supplier is classified as a combined company, and its offering information covers manufacturing, export trade, service, quality control, and R&D capabilities. This indicates a broad operational scope rather than a narrowly defined service-only entity.

CertificationsThe supplier explicitly reports no certification for its management systems. The absence of certification is a stated deficiency for this field.

After-Sales capabilityThe supplier has in-stock service capacity, accepts multiple trade and payment terms, and has participated in an offline trade show. However, it has no overseas warehouse, showroom, agent, or branch; reports zero countries with overseas services; and lacks written procedures or records for complaint handling, corrective actions, and service-capability assessment. These explicit gaps outweigh the limited service evidence.

R&D capabilityThe supplier reports that it had new products during the past year, provides ODM services, and offers extensive design customization. It does not have an available SDK, but the provided evidence still explicitly supports product-development and design capability.

Production capacityProduction-related evidence includes 100% finished-product inspection, three quality assurance and quality control inspectors, multiple listed machines, in-stock capacity, and stated lead times of within 15 working days off-season and one month during peak season. However, the supplier reports no valid contract with related subcontractors, creating a documented manufacturing-governance deficiency.

Customization capabilityThe supplier explicitly offers customization from samples, designs, minor customization, full customization, and flexible customization. These capabilities are reported consistently in both R&D and design-service information, providing strong evidence of broad customization capacity.

Client casesThe supplier states that its products have been exported to many countries and regions, reports OEM service for well-known brands, and cites participation in MWC2024. These statements provide positive but general evidence of market and customer exposure; no specific customer names, orders, or verifiable case details are supplied.

Product Q&A

Q:Are you a real factory or a trader?

We are a real factory with 3000sqm facility and about 100 employees. We warmly welcome overseas customers to visit.

Q:Is the battery brand new with 0 cycles?

YES, all our products are brand new with 0 cycles. They are high quality AAA batteries.

Q:Besides mobile phone batteries, what other batteries do you produce?

Our main products include tablet batteries, GPS batteries, POS terminal batteries, barcode scanner batteries, BT speaker & headset batteries, smart watch batteries, and game player batteries. We also provide custom services.

Q:Can I place a small order to check your quality?

YES, generally our MOQ is 100pcs for trial orders. You can make several samples to test quality before bulk ordering.

Q:How do you handle returns?

We check returns within 2 working days. After checking, we provide a testing report and resend new replacements with a new order.