What is the expected cycle life of the battery?

The battery is designed for 300 to 500 charge-discharge cycles.

503048 3.7V 800mAh Li-Polymer Battery

Name: 503048 3.7V 800mAh Li-Polymer Battery
Brand: Guangdong Paili New Energy Co., Ltd.
SKU: 1999114532

Guangdong, ChinaGuangdong Paili New Energy Co., Ltd.

US$0.80

1,000-4,999 Pieces

US$0.70

5,000-9,999 Pieces

US$0.60

10,000+ Pieces

Sample price:US$1.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Single Branch

Model NO.

503048

Rechargeable

Chargeable

Discharge Rate

Low Discharge Rate

Size

Small

Accessories Type

Battery

Rated Capacity

>1000MAH

Standard Voltage

4.2V

Usage

Flashlight

Electrolyte

Li-ion

Transport Package

PVC

Specification

5*30*48MM

Trademark

paili

Origin

China

Production Capacity

1000000pieces/Year

Key features

Customizable Capacity: Nominal capacity is 800mAh with optional adjustments available.

Adjustable Current: Max charging and constant discharge current are adjustable at 0.8A.

OEM/ODM Service: Supports OEM and ODM services for customized battery packs.

Safety Certifications: Passed short circuit, overcharge, over discharge, thermal shock, and drop tests.

Long Cycle Life: Provides 300 to 500 charge-discharge cycles for durability.

12-Month Warranty: Comprehensive one-year warranty coverage for peace of mind.

Low Self-Discharge: Excellent storage performance with low self-discharge rate.

100% Inspection: Every pack undergoes 100% inspection before delivery.

Company profile

Product CertificationFull Customization100% Finished Products InspectionRaw Materials Reports

Guangdong Paili New Energy Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service Available & OEM Service AvailableAverage Response Time: ≤1.36h

AI-Powered supplier vetting

SummaryGuangdong Paili New Energy Co., Ltd. is a China-based limited company established in 2016 with 14 employees and nine production lines. It reports broad customization, ODM, recent new-product development, documented R&D processes, and OEM service for well-known brands. Quality-related processes include quality assurance, material traceability, complaint handling, and corrective/preventive actions. However, it reports no supplier management-system certifications, only one year of total R&D engineer experience, no SDK, no overseas agents or warehouses, and no valid manufacturing contract with affiliated subcontractors. Financial information is indicated for 2022–2024, but the slices do not provide financial results or sufficient evidence to assess credibility. Overall, the supplier shows strengths in customization, R&D documentation, production scale, and quality procedures, while international service coverage and certification remain limited.

CertificationsThe supplier management-system certification field is explicitly recorded as NIL. Although the company states that it follows international management standards, no certification is evidenced in the provided slices.

After-Sales capabilityR&D technology engineers are responsible for technical support during production and after-sales service. The supplier also reports documented procedures and records for complaint handling and corrective/preventive actions, supporting an established after-sales process.

R&D capabilityThe supplier reports new products during the past year, provides ODM services, and maintains R&D documentation covering design inputs, outputs, reviews, verification, and validation. Its technology engineers also handle new product development, although no SDK is available.

Production capacityThe supplier operates nine production lines, reports in-stock capability, and states average peak- and off-season lead times within 15 workdays. A material operational weakness is that no valid manufacturing contract exists with affiliated subcontractors, while overseas warehousing is unavailable.

Customization capabilityThe supplier explicitly supports customization from samples, customization from designs, full customization, minor customization, and flexible customization. This directly demonstrates broad customization coverage.