Can I have a sample order?

Yes, sample orders are welcome. Free samples are available for quantities up to 3 pcs; you only pay shipping cost.

How to solve the quality problems after sales?

Send photos/videos and the defective battery via express. Engineers analyze within 2 working days. We repair or replace for free if non-human factor defects are confirmed under 1-year warranty.

How's your lead time?

7-10 days for samples and 15-20 workdays for large quantity orders.

What kind of certificates could you provide for these batteries?

We provide CE, CB, KC, MSDS, UN38.3 for standard models. Custom designs may require new certificates with fees paid by the buyer, refundable for large orders.

Can your factory print our logo/brand on the product?

Yes, we offer free logo printing for orders with sufficient quantity. Please contact us for details.

Can you make customized battery?

Of course. We have professional engineers to provide suitable solutions according to your special requirements.

500W Electric Bicycle 48V 10ah Rechargeable Replacement Lithium Li-ion Battery Pack

Name: 500W Electric Bicycle 48V 10ah Rechargeable Replacement Lithium Li-ion Battery Pack
Brand: Shenzhen Resky Electronics Co., Ltd.
SKU: 715086702

Guangdong, ChinaShenzhen Resky Electronics Co., Ltd.

US$125.00-145.00

1 Piece

Sample price:US$165.00/piece.Request sample

Product profile

Customization

Available

Type

Lithium-Ion Battery Pack

Connection Mode

Series and Parallel

Model NO.

RSK-4810-13

Rechargeable

Chargeable

Discharge Rate

Medium Discharge Rate

Size

Medium

Accessories Type

Motor

Rated Capacity

10ah

Standard Voltage

48V

Usage

Remote Control Boat, Remote Control Plane, Remote Control Car, Ebike Kit, Electric Tools, Medical Devic

Electrolyte

Li-ion

Structure

13s4p

Cell

18650 2500mAh Cells

Motor

500W

Charging Cut-off Voltage

54.6V

Charging Current

Dishcarging Cut-off Voltage

39V

Continuous Charging Current

15A

Max Discharge Current

20A

Color

Blue PVC

Cycle Life

500cycles

Weight

3.8kg

Shipping

UPS, FedEx, TNT,DHL, by Air, by Sea

Certification

CE,RoHS,MSDS,Un38.3

Lead Time

Within 15 Workdays

Transport Package

1PCS/Carton

Specification

Customized

Trademark

OEM

Origin

Shenzhen

HS Code

8507600090

Production Capacity

50000000PCS/Year

Key features

500W High Power Output: Designed for 500W electric bicycles with 48V 10Ah capacity.

1-Year Warranty Coverage: Covers non-human factor quality defects with free repair or replacement.

Customization Available: Customized packs, tags, labels, plugs, connectors, and protection systems available.

500 Cycle Life: Ensures long-term durability with up to 500 charge-discharge cycles.

Comprehensive Safety Protection: Includes overcharge, over-discharge, short circuit, and thermal shock protection.

ISO9001 Quality Control: Manufactured under strict ISO9001 quality control systems.

Wide Application Range: Suitable for e-bikes, scooters, ATVs, golf cars, and medical devices.

Multiple Shipping Options: Available via UPS, FedEx, TNT, DHL, air, or sea freight.

Company profile

High Repeat Buyers ChoiceIn-stock CapacityFast DeliveryR&D Capabilities

Shenzhen Resky Electronics Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory, Trading CompanyExport Year: 2012-09-09Nearest Port: SHENZHEN, HONGKONGAverage Response Time: ≤4.27hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, FCA, EXW, Others

AI-Powered supplier vetting

SummaryShenzhen Resky Electronics Co., Ltd. is identified as a China-based limited company with both trading and manufacturing/factory characteristics, offering electric vehicle batteries, lithium batteries, RC LiPo batteries, Li-polymer batteries, and chargers. It reports ISO 9001 certification, six to ten quality-control staff, stated annual lithium battery pack output of 2,000,000 sets, and broad export coverage. The supplier supports customization from designs and samples, full and flexible customization, and minor customization. Its R&D function includes one engineer responsible for customer-request confirmation, technical after-sales support, and new product development; relevant R&D audit documents are available, but no SDK is available. It reports OEM service for well-known brands, although no specific customer names or case details are provided. Financial records are indicated for 2021–2023, but the supplied slices do not provide sufficient financial metrics for a substantive credit assessment. An...

Supplier typeThe supplier is described as a limited company based in Shenzhen, China, with both "Trading Company,Manufacturer/Factory" characteristics in one record and "Trading Company" in another. Its stated business scope includes technical development, electronic and solar-energy products, polymer lithium batteries, domestic trade, and import/export activities, indicating a trading-led business with manufacturing/factory capability also reported.

CertificationsThe supplier reports ISO 9001 certification. A BV audit is also recorded, with an audit report period from January 30, 2024 to January 29, 2025; however, the supplied slices do not explain the audit result code or confirm that the certification remains current beyond that period.

After-Sales capabilityThe stated R&D engineer responsibilities include providing technical support for after-sales service, which is direct evidence of technical after-sales support. The supplier also reports in-stock service capacity, but the slices do not establish the breadth, response time, staffing level, or formal service process.

R&D capabilityThe supplier reports one R&D engineer responsible for confirming customer requirements, technical after-sales support, and new product development, and states that design-input, design-output, review, verification, and validation documents are available for audit. It also reports no available SDK, so the evidence supports basic product-development capability but does not establish broader software or platform innovation capability.

Production capacityThe supplier reports lithium battery pack output of 2,000,000 sets and in-stock service capacity, with six to ten quality-control staff and exports to multiple global regions. However, the status of any manufacturing-capacity contract is unknown, so contractual production assurance is not established.

Customization capabilityThe supplier explicitly reports customization from designs, customization from samples, full customization, flexible customization, and minor customization. This indicates a broad stated range of product adaptation services.

Client casesThe supplier states that it provides OEM services for well-known brands, which is evidence of experience serving branded customers. However, no customer names, product examples, order details, or verifiable case descriptions are supplied, so the depth and verifiability of its customer-case record cannot be assessed.