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18650 Battery Packs

Custom 18650 battery pack

3.7V 1S3P 10050mAh 18650 Battery Pack

11.1V 18650 Battery Pack Manufacturer

A representative 18650 lithium battery configuration for OEM project discussion. Final integration details are confirmed against the application, interface and target-market requirements.

3.7V1S3P10050mAh37.19Wh
  • OEM / ODM project support
  • Custom voltage & capacity
  • Factory-direct supply discussion
  • Global shipment review

Product overview

Built around an application brief, not an assumed catalog fit.

Technical specifications

Confirmed values first. Project-dependent details stay visible.

Nominal voltage3.7V
Configuration1S3P
Nominal capacity10050mAh
Nominal energy37.19Wh
Cell format18650 cylindrical cell
Cell count3 × 18650 cells
Charging voltageConfirmed per final project configuration
DimensionsConfirmed per final project configuration
WeightConfirmed per final project configuration
BMS and connectorConfirmed per final project configuration
Documentation applicabilityConfirmed per final project configuration

Engineering design considerations

Integration details affect the final battery pack.

01

Load profile review

Voltage and capacity are only starting points. Continuous load, peak current, charging method and duty cycle are reviewed together before finalizing the pack.

02

Mechanical integration

Cell arrangement, cable exit, connector clearance and installation space are considered as one enclosure decision, not as separate afterthoughts.

03

Protection strategy

BMS functions and thresholds are selected against the application, selected cells, charger and expected operating environment.

Custom battery solution

Turn the electrical and mechanical brief into a battery pack.

PLUSENERG reviews the operating profile, installation envelope and product interface before a final configuration is issued. This keeps the pack aligned with the equipment rather than forcing the equipment around a generic battery.

  • Voltage and capacity
  • Pack dimensions and cell arrangement
  • Connector, cable and pinout
  • BMS and charging interface
  • Housing and mounting details
  • PLUSENERG label artwork
  1. 01Requirement
  2. 02Battery design
  3. 03Prototype
  4. 04Testing
  5. 05Mass production

Application fit

Discuss the operating context before selecting the final pack.

Portable equipment

Application suitability is reviewed against load, charging, installation space, thermal conditions and target-market requirements.

Robotics and mobile devices

Application suitability is reviewed against load, charging, installation space, thermal conditions and target-market requirements.

Industrial instruments

Application suitability is reviewed against load, charging, installation space, thermal conditions and target-market requirements.

OEM equipment integration

Application suitability is reviewed against load, charging, installation space, thermal conditions and target-market requirements.

Quality & documentation review

Documentation is validated against the finished configuration.

Requirements such as CE, RoHS, UN38.3, MSDS or other records are assessed for the final pack, relevant scope, transport route and destination market. A document related to another configuration is not presented as blanket approval.

Project specificationConfiguration reviewInspection criteriaShipment documentation

Factory capability

Dongguan Plusenerg Electronic Co.,Ltd

Assembly and inspection checkpoints are set against the approved product brief. The final process is based on the selected components, pack configuration and delivery documentation requirements.

  1. 01Battery assembly
  2. 02Cell selection review
  3. 03BMS functional check
  4. 04Aging / inspection plan
  5. 05Shipment inspection criteria

Technical buyer FAQ

Answers before a project discussion.

What does a 3S2P 18650 battery pack mean?

A 3S2P configuration uses three cell groups connected in series and two cells in parallel in each group. With standard lithium-ion cells, the arrangement has a nominal voltage of 11.1V. The parallel connections increase capacity and current capability, but the final behaviour still depends on the selected cells, BMS, connector and equipment load profile.

What is the charging voltage for an 11.1V 18650 battery pack?

A three-series lithium-ion battery pack normally uses a 12.6V charging voltage. The actual charger interface, charge current, BMS limits and connector must be confirmed against the finished configuration. A 12.6V nominal charger specification does not replace a project review of the charging system.

Can PLUSENERG customize an 11.1V battery pack?

Yes. PLUSENERG can review voltage, capacity, cell arrangement, physical dimensions, connector, BMS and label requirements as one battery-pack brief. The most useful RFQ includes the application, current demand, available installation space, charging method, quantity, target market and any existing battery photos or drawings.

Which applications may use a 3S2P 18650 battery pack?

An 11.1V 3S2P pack may be considered for portable equipment, service robots, industrial instruments and other OEM products. Suitability must be verified against runtime, peak current, charging arrangement, thermal environment, installation space and target-market documentation requirements.

How are dimensions and weight confirmed?

Dimensions and weight are confirmed only after the final cell selection, BMS, cable routing, connector, housing and installation constraints are agreed. This avoids offering a catalog dimension that cannot be maintained after engineering changes. A drawing or available battery compartment size accelerates this review.

Can the connector and wire length be customized?

Yes. Connector type, pinout, wire gauge and cable length can be specified for a project. The equipment-side mating connector, current demand, mechanical routing and polarity controls should be reviewed first. A photo of the equipment connector or an existing sample helps reduce interface risk.

Are CE, RoHS, UN38.3 or MSDS documents included automatically?

Documentation is not assumed from a generic battery image. Requirements such as CE, RoHS, UN38.3, MSDS or other project records are assessed for the final configuration, relevant product scope, destination market and transport route. The applicable documentation is confirmed during the project review.

How do I request a quote for this battery pack?

Use the Request a Quote form and share the application, desired quantity, installation space, continuous and peak current, connector, charging method, destination country and expected timeline. The team can then identify the technical questions needed to prepare a configuration and quotation discussion.

PLUSENERG project intake

Need a custom battery solution?

Send the application, quantity, installation space, power requirement and destination market. We will return with the next technical questions for a quotation review.

Contact PLUSENERG Engineer