Cylindrical - Model 18650-3S2P
18650-3S2P 11.1V 5,200mAh Lithium-ion Battery Pack
- Cell Type
- Cylindrical
- Nominal Voltage
- 11.1V
- Rated Capacity
- 5,200mAh
- Size
- 18650 cells · 3S2P
- Rated Energy
- 57.72Wh
- Limited Charging Voltage
- 12.6V
Application Guide
Custom 11.1V 18650 3S2P Battery Pack for OEM Equipment
This custom 18650 battery pack uses a 3S2P configuration to provide 11.1V nominal output and 5200mAh capacity. BLUSENERGY builds the pack for OEM equipment that needs a compact, serviceable power source, with the BMS, discharge current, connector, cable and enclosure matched to the host device.
Typical Applications
- Power tools and portable industrial devices
- Handheld terminals, POS systems and scanners
- Robotics, inspection equipment and mobile instruments
- Custom rechargeable battery packs that need 11.1V output
Custom Battery Options
- BMS/PCM with overcharge, overdischarge and short-circuit protection
- JST, Molex, XT or custom connector and cable length
- NTC temperature sensor, label, shrink wrap and plastic housing
- Capacity, discharge current and pack layout adjustment
Manufacturer / OEM
OEM 18650 Battery Pack Manufacturer and 3S2P Supplier
BLUSENERGY manufactures custom 3S2P battery packs for OEM and ODM projects. Procurement teams can specify the cell grade, continuous and peak current, BMS protections, connector, cable, NTC, housing, label and certification requirements. Samples and production quotations are prepared from the confirmed electrical, mechanical and order-volume specification.
Related buying guides
Technical Data
Specifications
Model 18650-3S2P
Features
18650-3S2P
- A-grade lithium-ion cells, high consistency
- Long cycle life ≥ 800 cycles
- Wide operating temperature -20°C ~ 60°C
- Smart BMS with multiple safety protections
- Customizable wiring, connectors and housing
Applications
OEM / ODM
Customization options
Need a different capacity, size, connector or battery configuration? Send us your requirements and our engineers will evaluate a suitable solution for your project.
Request a custom quote →- Capacity customization
- Connector customization
- PCM / BMS customization
- Cable length customization
- Logo printing
- Battery pack assembly
Frequently Asked Questions
What does 3S2P mean in an 18650 battery pack?+
3S2P means three cells are connected in series to raise voltage, and two parallel strings are used to increase capacity and current capability.
Can this 18650 3S2P battery pack be customized?+
Yes. BLUSENERGY manufactures custom 3S2P battery packs with the BMS, connector, cable length, NTC, label, shrink wrap, housing and capacity configuration specified for the OEM product.
What applications use an 11.1V 18650 battery pack?+
Common uses include power tools, handheld terminals, POS devices, robotics, medical instruments and compact industrial electronics.
How do I source an OEM 18650 battery pack from BLUSENERGY?+
Send the required voltage, capacity, continuous and peak current, available dimensions, connector, certifications and order quantity. As a 3S2P battery pack supplier, BLUSENERGY can review the specification, build samples and quote mass production.
How do I request a product quote and sample?+
Fill in the form on the Contact page or email us at info@blusenergy.com. Please include voltage, capacity, dimensions, usage scenario, target certifications and required quantity. Our engineers will respond within 24 hours.
What is the product minimum order quantity (MOQ)?+
MOQ depends on the battery model and customization requirements. Sample and prototype quantities can be discussed based on your project needs. Send us your specifications and estimated quantity, and we’ll evaluate the most suitable option for your project.
Which international safety certifications do your battery products carry?+
IEC62133, UN38.3, MSDS, CE, RoHS, UL2054, UL9540, IEC62619, KC, BIS, PSE, CB, ISO9001, ISO14001. We can also arrange additional certifications on request.
How long do sampling and bulk delivery each take?+
Standard products: 7–15 days. Customized packs: 15–25 days for samples, 25–45 days for mass production (depending on certification and tooling).
What is the official warranty period for all battery products?+
12 months for consumer cells, 24 months for industrial packs, up to 10 years for energy storage systems (subject to project scope).
Do you provide installation guidance and technical support for energy storage systems?+
Yes. For BESS and household storage we provide installation manuals, remote training, on-site commissioning (paid) and 24/7 ticket support.
