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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
- Cycle Life
- ≥ 800 cycles (80% retention)
- Connector
- XT60 / JST / customizable
Application Guide
18650 3S2P Battery Pack for Compact High-Power Devices
This 18650 3S2P battery pack combines three cells in series and two cells in parallel to provide an 11.1V nominal output with 5200mAh capacity. It is a practical choice for equipment that needs more voltage than a single-cell pack while keeping the battery compact, serviceable and easy to integrate into OEM products.
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
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
We design custom battery packs from 10 mAh to 100 kWh. Send us your requirements — our engineers reply within 24 hours.
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. BLUS ENERGY can customize the BMS, connector, cable length, NTC, label, shrink wrap, housing and capacity configuration for OEM projects.
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 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)?+
Standard cells: MOQ 500 pcs. Customized battery packs: MOQ 100 pcs for prototyping, 1,000 pcs for mass production. Smaller quantities can be discussed.
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.
Get a Quote - 18650-3S2P
We design custom battery packs from 10 mAh to 100 kWh. Send us your requirements — our engineers reply within 24 hours.