Custom lithium battery packs for device makers · Made in Shenzhen, shipped worldwide

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01 / 07

Medical Device Batteries

Custom lithium battery packs for portable medical devices.

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Not sure where your product fits? An engineer replies within 24 hours.All industries Send your spec
Custom solutionsFrom your spec to a tested batchCells, BMS, case, charger and label, built around your device.See how we work
Development ProcessFive stages from your brief to batch deliveryBMS DesignProtection, balancing and data to your deviceCell Selection & SourcingLi-ion, LiFePO4 or LiPo from leading brandsPrototyping & SamplesCharged samples you test before the batchOEM / ODMYour spec or our design, under your brandCost & MOQWhat drives price and minimum order
01 / 05

Replacement Battery Packs

Custom lithium replacement packs for lead-acid batteries and light EVs.

Explore replacement
Not sure which product fits? An engineer replies within 24 hours.All products Send your spec
About UsWho we are and how we workQuality & CertificationDocuments, tests and quality control
Made in ShenzhenSee our production and test linesFactory tour
Custom battery packs and cells packed for shipment at Jetray
5 product lines

Battery Products and Solutions

Besides custom battery packs, Jetray supplies lithium cells, primary lithium batteries, replacement packs and solar storage to device makers, brands and distributors. Tell us what you need, and we confirm the model, the brand and the order size.

Request a QuoteSee product lines
  • Engineer reply within 24 h
  • UN38.3, IEC 62133, MSDS
  • Ships worldwide from Shenzhen
Quick quoteEngineer reply in 24 h
DocumentsUN38.3, IEC 62133 and MSDS for the model you order
Private labelYour brand name, model number and cartons
Stock and customIn-stock items ship without waiting; custom packs take 1 to 2 months
WorldwidePacked to the shipping rules, sent from Shenzhen
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Products

Browse all products

Tap + to add models to your inquiry list, then send one request for all of them. Every model can be customized.

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111 products
01

Our product lines

Five lines that sit beside our custom battery packs. Pick one to see formats, brands and what to send for a quote.

Replacement battery packs from Jetray
01 / 05

Replacement battery packs

Lithium packs that replace lead-acid batteries, and replacement packs for electric vehicles

View replacement battery packs →
Lithium cells from Jetray
02 / 05

Lithium cells

Cylindrical and polymer (pouch) rechargeable cells, with brand and format guidance

View lithium cells →
Primary lithium batteries from Jetray
03 / 05

Primary lithium batteries

Non-rechargeable Li-SOCl2 and coin cells for meters, IoT and backup

View primary lithium batteries →
Solar and energy storage from Jetray
04 / 05

Solar and energy storage

Integrated solar storage systems and inverter-battery matching

View solar and energy storage →
Electronic components from Jetray
05 / 05

Electronic components

Capacitors, switches and relays that go with battery products

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Not finding the right size or spec?

Most of our work is custom. If the pack, cell or battery you need does not fit a standard format, we design it to your voltage, size and interface.

Custom battery solutionsIndustries we serve
02

Which product line fits your project

Tell us the job, and start from the line that fits it.

Replacement battery packs
Start with

Replacement battery packs

Open the pageAsk for a quote
03

Who we supply

Device makers and OEMs

Device makers and OEMs

That need a pack or cell built into their product.

Brands

Brands

That sell under their own name. Private label is supported.

Distributors

Distributors

That resell batteries and cells.

Samples

Samples of custom packs are charged.

Lead time

In-stock items ship without waiting, and custom packs usually take one to two months.

Shipping

We ship worldwide from Shenzhen.

04

Brands we work with and documents

Rechargeable cells
PanasonicSamsungLGMolicelEVE
Primary batteries
PanasonicMaxellFDKSeiko
Components
PanasonicMurata

We recommend the cell that suits your load and your market, and we tell you why.

Battery test report and certification documents

Documents

UN38.3IEC 62133MSDS

UN38.3, IEC 62133 and MSDS documents are available. Tell us the model and we confirm which documents cover it.

Quality and certification

Tell us what you need.

Send the product, quantity and your market. We reply within 24 hours.

Request a Quotesale1@jetray.cn
05

How an order works

  1. 01

    Send the product, quantity and your market.

  2. 02

    We confirm the model, the brand and what we can supply.

  3. 03

    For custom packs, we build a charged sample, and you test it.

  4. 04

    After approval, we confirm lead time and documents.

  5. 05

    We produce or pick the batch, pack to the shipping rules and ship worldwide from Shenzhen.

06

What we ask first

Tick what you already have. It goes into the quote form at the end of the page.

Not sure about some of these? Send what you have, and we help fill in the rest.

What we ask first for a Jetray quote
0 of 5 ready
07

Products and custom packs work together

Many projects mix lines.

A solar storage job may need a custom battery for the inverter.
A device with a coin cell may later move to a rechargeable pack.
A pack builder may buy cells from us and ask us to build the BMS and case.

Tell us the whole project, and we suggest the simplest route.

Describe your project
Custom lithium battery packs and cells on a Jetray quotation
FAQ

Frequently asked questions

Our focus is device makers, brands, installers and distributors. Send your project and quantity, and we tell you if we can help.

Often yes. Tell us what you need, and we plan the packing and documents together.

Yes. We pack and label to the rules and prepare the documents for the model. Shipping lithium batteries

Private label is supported for custom packs. Ask us about your product.

Get a quote

Tell us what you need.

Send the product, quantity and your market. We reply within 24 hours.

Your requirement

Your products request

Fill what you know. Blank fields are fine.

Project
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