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
7.4V 5.2AH  li ion battery 2S2P
Custom Lithium Battery Packs

7.4V 5.2AH li ion battery 2S2P

2S2PLi-ionOEM / ODM

This 7.4V 5.2Ah Li-ion battery pack (2S2P) is built by Jetray Battery for portable instruments and test equipment, medical and monitoring devices, power tools and garden tools. Cells, BMS settings, connector, wiring and housing can all be built to your specification.

  • Nominal voltage7.4V
  • Capacity5.2Ah
  • Energy38.5Wh
  • Fully customizableVoltage, capacity, BMS, housing
  • Documents readyDatasheet, MSDS, UN38.3
  • 24-hour replyDirect from our engineers
Specifications

Technical data

Standard model values. Every parameter below can be adjusted for your project.

Configuration2S2P
Nominal Voltage7.4V
Capacity5.2Ah
Battery Model7.4V 5.2Ah
ChemistryLi-ion
Shipment Voltage7.4–7.6V
Charge Cut-off Voltage8.4V
Discharge Cut-off Voltage5.0V
CertificationUL, IEC, CE, UN38.3, etc.

Voltage window 5 – 8.4 V

5 V cut-off7.4 V nominal8.4 V full
Need different specs?

Send your voltage, capacity, current and size limits. We build packs to your drawing.

Applications

Where it is used

Portable instruments and test equipment
Medical and monitoring devices
Power tools and garden tools
Lighting, security and consumer electronics
Customization & BMS

Built around your equipment

Voltage, capacity, size, BMS and communication can all be changed for OEM / ODM projects. Start from this model or from your own drawing.

FAQ & safety

Common questions

We offer Li-ion (NCM / NCA), LiFePO4 and LTO cells, chosen to match your project needs.

Yes. We provide structural design so the pack fits your housing, connector and mounting points.

Overcharge, over-discharge, overcurrent, short-circuit and temperature protection, SOC / SOH display and communication protocols such as CAN and RS485.

Yes. Charging rates from 0.5C to 2C are possible, depending on the cell specification.

Typically 12–36 months, depending on the project agreement.

Keep them at 50–60% state of charge in a dry, ventilated place between −10 °C and 35 °C.

Safe handling

Heat and damage

Never heat, disassemble or modify the battery, or dispose of it in a fire. Do not pierce, hit, step on or drop it.

If fluid leaks

Do not touch it with bare hands. Rinse eyes, mouth or skin with clean water, see a doctor if needed and contact Jetray after-sales.

Keep it dry

Do not get the battery wet.

Storage conditions

Do not use or store the battery in direct sunlight, high heat or humidity, a hot car, or near heat sources.

OEM & custom packs

Ready to power your next project?

Tell us your voltage, capacity, size and application. Our engineers reply within 24 hours with a design proposal and quotation.

WhatsApp
Scroll to Top