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Rechargeable 18650 2s2p 4400mAh Li-ion Battery 7.4V for Bluetooth Speaker
US$10.00
7 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.

2S2P

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Large

Accessories Type

Battery

Rated Capacity

100MAH<

Standard Voltage

>12V

Usage

Balance Scooter

Electrolyte

Li-ion

Combination

2s2p

Cell

18650

Transport Package

Carton

Origin

China

HS Code

8507600090

Production Capacity

5000/Month

Key features

Customizable Dimensions: Outside dimensions can be customized to fit specific device requirements.
Comprehensive BMS Protection: Integrated BMS/PCB provides overcharge, discharge, current, short circuit, and temperature protection.
High Capacity Configuration: 2S2P assembly using 18650 cells delivers 7.4V nominal voltage and 2.2Ah capacity.
Optional Advanced Functions: UART/CANBus communication and deep sleep function are available as optional features.
Fast Lead Time: Average lead time is within 15 working days for both peak and off-peak seasons.

Company profile

LINKTOSUN LIMITED
LINKTOSUN LIMITEDGuangdong, China
Business Type: Manufacturer/FactoryExport Year: 2013-01-01Nearest Port: shenzhenAverage Response Time: ≤15hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, EXW

AI-Powered supplier vetting

SummaryLINKTOSUN LIMITED is identified as a China-based manufacturer/factory with an offshore trading-company name also reported. The supplier states that it provides R&D, production, technical support, and after-sales services, and offers broad customization and ODM capability. Evidence indicates new products were launched in the past year, with 6–10 R&D engineers and 6–10 quality-control staff. ISO 14001 certification is reported. The supplier has inventory capability, documented service procedures, and qualified service suppliers, but no overseas warehouse, showroom, agent/branch, or SDK availability. Production scale is not fully verifiable because the reported annual output is below the stated threshold and no detailed capacity figures are provided. OEM service for well-known brands is explicitly claimed, but no specific customer names or case studies are supplied. Financial information is excluded.
Supplier typeThe supplier is identified as LINKTOSUN LIMITED, a limited company based in Shenzhen, Guangdong, China, and classified as a manufacturer/factory. A separate offshore business name is described as a trading company whose scope covers electronic, computer, communication, automation, and related equipment.
CertificationsThe supplier reports holding ISO 14001 certification for its management systems. The provided information does not specify the certification scope, issuing body, validity period, or any additional certifications.
R&D capabilityThe supplier reports new products during the past year, ODM availability, and 6–10 R&D engineers. It does not have an available SDK, so its innovation capability is supported for product development and design but not for SDK-based integration.
Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization. It also reports ODM service availability, providing direct evidence of broad product-design and customization support.

Product Q&A

Q:What is the nominal voltage and capacity?
A:
The battery has a nominal voltage of 7.4V and a nominal capacity of 2.2Ah.
Q:Is the battery size customizable?
A:
Yes, the outside dimensions of the battery can be customized.
Q:What protection features does the BMS include?
A:
The BMS/PCB includes overcharge, over discharge, over current, short circuit, and temperature protection.
Q:What is the maximum working discharge current?
A:
The maximum working discharge current is 4A.
Q:Are there optional functions available?
A:
Yes, UART/CANBus communication and a deep sleep function are optional.

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*To:LINKTOSUN LIMITEDLINKTOSUN LIMITED
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