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

sale1@jetray.cnEngineer reply within 24 h
Get a Quote
01 / 07

Medical Device Batteries

Custom lithium battery packs for portable medical devices.

Explore medical device
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

Lithium Battery Products

Browse Jetray lithium-ion, LiFePO4 and lithium polymer batteries — from single cells to EV and energy-storage packs. Tap “+” to add models to your inquiry list and get one quotation for all of them.

Can’t find your spec?Most of our orders are custom packs. Send us your voltage, capacity and size — our engineers reply within 24 hours.
111 products
Scroll to Top