Cylindrical - Model 18500-2S
18500-2S 7.4V 1,600mAh Lithium-ion Battery Pack
- Cell Type
- Cylindrical
- Nominal Voltage
- 7.4V
- Rated Capacity
- 1,600mAh
- Size
- 18500 cells - 2S1P
- Rated Energy
- 11.84Wh
- Limited Charging Voltage
- 8.4V
Application Guide
18500-2S Battery Pack Integration
The 18500-2S is a 7.4V 1,600mAh cylindrical lithium-ion battery pack with a confirmed 2S1P configuration. Its confirmed dimensions are 18500 cells - 2S1P. Pack layout, electrical interface and installation requirements should be reviewed against the host product's available space and intended PDA, Consumer, IoT application.
Typical Applications
- PDA equipment with compatible electrical and installation requirements
- Consumer equipment with compatible electrical and installation requirements
- IoT equipment with compatible electrical and installation requirements
Custom Battery Options
- Review the available installation space
- Confirm the required electrical load
- Confirm the required connector and wire length
- Provide the expected project quantity
Manufacturer / OEM
Project Requirements for 18500-2S
For project review, provide the required voltage and capacity, load requirement, available installation space, connector requirement, wire-length requirement and expected quantity. These inputs allow the 18500-2S cylindrical pack layout and interface to be evaluated without treating requested project details as confirmed product specifications.
Technical Data
Specifications
Model 18500-2S
Features
18500-2S
- 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
Is the 18500-2S a single cell or a battery pack?+
It is a cylindrical lithium-ion battery pack with a confirmed 2S1P configuration, rated at 7.4V and 1,600mAh.
What should be checked before integrating the 18500-2S?+
Check the confirmed 18500 cells - 2S1P dimensions against the available enclosure space and provide the required load, connector and wiring information for project review.
What information is required for an OEM 18500-2S quotation?+
Provide the required voltage and capacity, load requirement, installation space, connector requirement, wire length and expected quantity.
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.