What is the warranty policy?

We offer a 5-year warranty with free replacement for new ones if quality issues arise.

How to choose the right battery?

Simply tell us your demand, and we will recommend a suitable battery for you.

Mica Wholesale Lithium Battery Pack 18650 14.8V 4400mAh 4s2p Li Lon Battery Pack

Name: Mica Wholesale Lithium Battery Pack 18650 14.8V 4400mAh 4s2p Li Lon Battery Pack
Brand: Mica Power Co., Ltd.
SKU: 2085526735

Guangdong, ChinaMica Power Co., Ltd.

US$8.50

100-999 Pieces

US$7.50

1,000-4,999 Pieces

US$5.60

5,000+ Pieces

Sample price:US$8.50/piece.Request sample

Product profile

Customization

Available

Type

Li-ion Battery

Cathode Material

NCM

Rechargeable

Yes

Size

Medium

Rated Capacity

4400mAh

Standard Voltage

14.8V

Configuration

4s2p

Model No.

18650

Max Cut-off Discharge Voltage

16.8V

Max Charge Voltage

12~14.8V

Max Discharge Current

1c(4400mAh)

Weight

150g

Cycle Life

>500 Cycles

Transport Package

Carton

Specification

74mm *38mm *67mm

Trademark

MICA OEM/ODM

Origin

China

Production Capacity

100000piece/Year

Key features

Super Safe Technology: Features over charge, discharge, current, and short circuit protection for maximum safety.

Long Cycle Life: Provides 500-700 cycles of reliable performance with low self-discharge rates.

Flexible Customization: Offers OEM/ODM services including custom color, package, and accessory adjustments.

Wide Application Range: Suitable for power banks, RC toys, e-bikes, solar storage, and security products.

Certified Quality: Products hold ROHS, CE, UL, IEC, and UN38.3 certifications with ISO 9001:2015 approval.

High Energy Density: Compact 14.8V 4400mAh design with high power density and light weight of 150g.

Company profile

High Repeat Buyers ChoiceYears of Export ExperienceStandardized quality controlCustomization from Samples

Mica Power 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: 12 Years CertifiedNearest Port: Shenzhen PortAverage Response Time: ≤5.17h

AI-Powered supplier vetting

SummaryThe supplier offers manufacturing and customization for laser welding, battery cell sorting, ultrasonic, spot welding, automatic spot welding, and tensile testing equipment. It has ISO9001:2015 and CE certifications, documented inspection, service, corrective-action, and complaint-handling procedures, plus overseas debugging, maintenance, repair, training, and installation services. Its international reach is limited by the absence of overseas warehouses, showrooms, agents, or branches, although it reports that 71%–90% of sales are exports and has participated in Intersolar Europe 2025. Customization and ODM services are available, but no new product was developed in the past year, no SDK is available, and only two R&D engineers are reported. Financial information is inconsistent across the provided records, so financial credibility cannot be conclusively assessed. No Fortune 500 collaboration is reported, while OEM service for well-known brands is stated.

Supplier typeThe supplier appears to be an equipment manufacturer providing welding, battery cell sorting, ultrasonic, and tensile testing machinery, with OEM and ODM services. It also maintains manufacturing-capacity contracts with affiliated subcontractors and reports in-stock capability, but no overseas warehouse, showroom, agent, or branch.

CertificationsThe supplier reports an ISO9001:2015 management-system certificate and CE product compliance certification. These are explicit certifications supporting quality-management and product-compliance capability.

After-Sales capabilityOverseas service offerings include debugging, maintenance, repair, training, and equipment installation, supported by written procedures and records for service assessment, corrective actions, and complaint handling. However, the supplier has no overseas agents or branches, no overseas warehouse, and reports service coverage in zero countries, which limits local service presence.

Production capacityThe supplier identifies multiple equipment manufacturing capabilities, has valid manufacturing-capacity contracts with affiliated subcontractors, reports in-stock capability, and states that finished-product inspection instructions are uniformly followed. It also reports one-month average lead times in both peak and off-season periods.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, together with ODM services. This provides direct evidence of broad customization capability.