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

sale1@jetray.cnEngineer reply within 24 h
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
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
Blog

Lithium Battery Guides and Insights

Practical guides on lithium battery chemistry, voltage, sizing, BMS and safety.

122articles

Latest articles

100Ah LiFePO4 Battery: Runtime, Wiring and What You Can Power

Discover how to calculate runtime, wire safely, and choose the right applications for a 100Ah LiFePO4 battery, with practical tips on capacity, BMS compatibility, charging, and system efficiency.

Read article

What Is a LiFePO4 Battery? Chemistry, Specs, Lifespan and Uses

LiFePO4 battery explained: iron phosphate chemistry, 3.2V cell voltage, cycle life, safety, uses and how it compares with NMC and lead-acid.

Read article

18650 Battery Sizes, Dimensions and Weight vs 21700, 26650

18650 battery sizes explained: 18 x 65 mm by name, datasheet maximums, weight, and how 21700, 26650 and AA cells compare, with...

Read article

How to Balance Charge a LiPo Battery: Step-by-Step, 2S to 6S

LiPo battery balance charging explained: how the balance lead works, 2S to 6S charger settings, 4.20 V per-cell limits, step-by-step setup and...

Read article

Golf Cart Lithium Battery Conversion Kit: Contents and Costs

A golf cart lithium battery conversion kit includes a pack, charger, cables and meter. Check fit, BMS and charger match, and see...

Read article

LiFePO4 Voltage Chart: 3.2V Cell, 12V, 24V and 48V SOC Table

LiFePO4 voltage chart for a 3.2V cell and 12V, 24V and 48V packs: approximate SOC bands, charge and cut-off limits, and how...

Read article

Lithium Battery for Trolling Motor: 12V, 24V, 36V and Ah Sizing

Match a lithium battery for trolling motor use to thrust: 12V, 24V or 36V, amp draw, Ah runtime math and the BMS...

Read article

Lithium Battery for RV: How to Size Capacity, Voltage and BMS

Lithium battery for RV sizing: convert daily watt-hours to amp-hours, choose 12V, 24V or 48V, and check BMS and charging specs. Includes...

Read article

LiPo vs Li-ion Battery: Energy, Safety, Cost and Applications

LiPo vs Li-ion battery compared: energy density, discharge rate, safety and cost, plus what OEM buyers should check before specifying either type.

Read article

Lithium Golf Cart Battery Conversion: 48V/72V LiFePO4 Guide

Lithium golf cart and forklift battery conversion: 48V/72V LiFePO4 sizing, BMS and controller matching, charger changes, UL 2580 and ROI.

Read article

Heated Clothing Battery Guide: Voltage, Runtime & Safety

Choosing a heated clothing battery: 5V vs 7.4V vs 12V, runtime sizing, low-temperature charging limits, BMS protection and certification.

Read article
Scroll to Top