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JinfanCustom Battery Solutions
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CUSTOM BATTERY SOLUTION PROVIDER

Custom Battery SolutionsEngineered Around Your Product

From electrical requirements and BMS integration to mechanical design, validation and production, we develop battery systems around your product and application.

For product teams, OEMs and equipment manufacturers. From the first brief to production planning.

Discuss Your Battery ProjectSubmit Technical Requirements
Upload Your Requirements

Choose a short project inquiry or a detailed technical brief.

Battery pack assemblies with enclosures, handles and connectors
Battery pack assemblies · supplied source photograph

Product requirements Integrated battery system Production planning

01 / THE STARTING POINT

Your Product Defines the Battery

A standard pack is useful when it meets the whole brief. When fit, runtime or integration becomes a constraint, start with the product—not a part number.

Fit & handling
Available space · Weight
Performance
Voltage · Runtime · Power demand · Peak current
System interfaces
Communication · Charging
Operating & business context
Operating environment · Certification requirements · Production volume
Build your technical brief Review product categories

02 / FROM CONSTRAINT TO SOLUTION

A Requirement Becomes a Design Decision

Begin with the constraint that matters most to your product. Evaluate the trade-offs, then define what the battery system needs to deliver.

  1. 01Limited space

    Engineering response

    Evaluate cell format, pack architecture and mechanical design against the installation envelope.

    Solution to define

    A pack layout and mounting concept that can be reviewed inside your product.

  2. 02Long runtime

    Engineering response

    Translate the duty cycle into energy demand; compare cell options, capacity, weight and charging trade-offs.

    Solution to define

    An energy configuration and a runtime target to validate under representative loads.

  3. 03High peak power

    Engineering response

    Assess cell selection, electrical architecture, current paths and protection against the load profile.

    Solution to define

    A power delivery concept with defined load limits and protection criteria.

  4. 04Host communication

    Engineering response

    Define the information exchange, BMS requirements and firmware integration with the host team.

    Solution to define

    An agreed interface definition and a plan to verify host compatibility.

  5. 05Harsh environment

    Engineering response

    Review the enclosure, connectors and thermal approach against intended exposure and operating conditions.

    Solution to define

    A protection concept and validation plan aligned with the application.

These are project evaluation paths, not pre-approved specifications. Chemistry, protocols, protection targets and feasibility are confirmed during scoping.

03 / ONE INTEGRATED SYSTEM

A Complete Battery System, Not Just a Battery Pack

Cells are one part of the solution. The interfaces between energy, protection, mechanics and your host product define how the system works together.

  1. 01Cell
  2. 02Pack architecture
  3. 03Electrical system
  4. 04BMS
  5. 05Mechanical integration
  6. 06Communication
  7. 07Charging
  8. 08Host product
Explore battery system engineering

04 / DEFINE THE SCOPE

Designed Around Your Requirements

Start with what is fixed, what is a target and what still needs discussion. The development scope follows those decisions.

Electrical
  • Voltage
  • Capacity & energy
  • Continuous / peak current
  • Charging
Mechanical
  • Dimensions & shape
  • Housing
  • Connector & cable
  • Mounting
BMS & communication
  • Protection
  • Monitoring
  • Communication
  • System integration
Environment & compliance
  • Temperature
  • Ingress protection target
  • Mechanical environment
  • Compliance requirements

No specification is assumed. Unknown requirements can remain “To be discussed” in your technical brief.

05 / YOUR APPLICATION

Different Products. Different Battery Decisions.

The product’s working cycle, physical envelope and environment shape the brief.

  • Smart Devices / Small Appliances
  • Power Tools
  • Portable / Outdoor Equipment
  • Vehicle / RV
  • Energy Storage

06 / DEVELOPMENT JOURNEY

A Clear Path from Brief to Build

Agree the scope and acceptance criteria before committing to the next stage.

  1. 01

    Define

    Set the product requirements, priorities and open questions.

  2. 02

    Engineer

    Develop the system concept and review integration trade-offs.

  3. 03

    Prototype

    Build samples against the agreed design for evaluation.

  4. 04

    Validate

    Evaluate the prototype against agreed application criteria.

  5. 05

    Produce

    Prepare the approved design for pilot and production release.

Explore Our Engineering Process

07 / BEYOND THE DESIGN

Designed to Be Validated

A design target is not a test result. Define how the battery will be evaluated in the intended application, then review the evidence before release.

Electrical
Load, charging and protection criteria.
BMS
Monitoring, control and interface behavior.
Mechanical
Fit, mounting and connection integrity.
Environmental
Conditions relevant to the operating brief.
Application
Behavior within the host product and duty cycle.
Production
Acceptance criteria for repeatable builds.
Explore validation planning

08 / OEM & ODM DEVELOPMENT

From Custom Design to Production

The prototype is a checkpoint. Production planning connects the reviewed design with assembly requirements, quality criteria and controlled changes.

  1. Requirements
  2. Engineering
  3. Prototype
  4. Validation
  5. Pilot
  6. Mass production

Agree the design release, BOM, work instructions and quality criteria appropriate to the project. Pilot findings inform the production release.

Engineering to production release

09 / EVIDENCE

Proof Behind the Solution

Project evidence should connect a requirement to the design decision and its validation.

Evidence pending approval. Project photographs, reports and certification documents will appear here only after source and publication review.

  • Engineering
  • Prototype
  • Testing
  • Manufacturing
  • Certification
  • Case study

PROJECT CONTEXT

Built Around Real Product Requirements

Follow the product challenge through the decisions, solution and validation outcome.

Case study pending approval. No customer, project result or performance claim is published yet.

  1. Customer / industry
  2. Application
  3. Challenge
  4. Requirements
  5. Engineering decision
  6. Solution
  7. Validation
  8. Outcome

BEFORE YOU START

Questions About Custom Battery Development

A useful brief starts with the product. You do not need every answer to begin.

What is a custom battery solution?

It is a battery system developed around a product’s electrical, physical and operating requirements. The scope may include cells, pack architecture, BMS, enclosure, interfaces, prototypes, validation and production documentation.

When does a product need a custom battery?

Consider custom development when available packs cannot meet the combination of space, runtime, power, weight, charging or host integration requirements. Compare the integration benefit with development effort, volume and project timing.

What information is needed to start?

Share the application, available space, voltage, runtime target and load profile. Add charging, communication, environment, target markets, expected volume and project stage where known. Drawings and requirement documents help clarify the brief; unknowns can be discussed.

Can the BMS be customized?

BMS requirements are evaluated as part of the project scope, including protection, monitoring, charging and host communication. Protocol support and firmware scope need confirmation for the specific application; no protocol is assumed from this page.

Can battery dimensions be customized?

Dimensions, shape, housing and mounting can be evaluated around the product envelope. Feasibility depends on cell options, power and energy requirements, clearances, thermal considerations and assembly constraints.

How is a custom battery validated?

Agree an evaluation plan based on the product requirements. Relevant electrical, BMS, mechanical, environmental and application checks inform design reviews. Standards, external testing and certification requirements are confirmed for the intended market and project scope.

How does development move to mass production?

Review prototype results, resolve design changes and agree the release documentation and quality criteria. Pilot builds provide a further checkpoint before production release. Deliverables and responsibilities are agreed for each project.

LET’S DEFINE YOUR BATTERY SOLUTION

What Does Your Product Need to Do?

Share your requirements, a drawing or the problem you are trying to solve. Start with a short inquiry or send a detailed technical brief.

Discuss Your Battery ProjectSubmit Technical Requirements
Upload Your Requirements

Choose a short project inquiry or a detailed technical brief.