Consumer & Mobile Equipment
18650 and polymer packs for printers, speakers, toys and portable devices.
Dongguan custom battery-pack manufacturing
Design the Battery Around the Device
Woptai develops lithium-ion and lithium-polymer battery packs for portable electronics, instruments, power tools and demanding environments—combining cells, protection, wiring, connectors and mechanical packaging.
Supplier profile
Custom packs for devices—not utility-scale ESS
Woptai’s strongest fit is an equipment maker that needs a battery pack engineered around voltage, current, runtime, available space, connector, environment and certification.
Dongguan productionOn-site reviewed operation
Li-ion + Li-polymerPublished chemistry/form-factor scope
Custom packsCell, BMS, connector, enclosure
Testing displayedModel evidence still required
Application families01 · PORTABLE 02 · PRECISION 03 · POWER 04 · HARSH
Select by load and environment
Instruments & Medical Devices
Application-specific packs where runtime, reliability, size and regulatory documentation matter.
Tools & High-Rate Loads
Higher-discharge packs for electric tools, robots and other intermittent high-current equipment.
Low-Temperature & Protected Packs
Special designs for cold operation or explosion-protection contexts, subject to exact test and certification review.
Engineering brief
Capacity alone cannot define the pack
| Input | What to provide | Design impact |
|---|---|---|
| Electrical | Nominal/max voltage, continuous/peak current | Cell configuration and protection |
| Runtime | Load profile, energy and charge window | Capacity and aging margin |
| Mechanical | Envelope, mounting, wire and connector | Pack structure and assembly |
| Environment | Temperature, impact, vibration, water/dust | Cell, housing and derating |
| Charging | Charger, protocol, time and input limits | BMS and safety design |
| Market | Country, equipment type and standards | Certification and transport plan |
Safety evidence
Match every certificate to the exact configuration
The website references CE, RoHS, IEC 62133 CB, UL, KC, CCC and UN38.3. These cannot be treated as universal factory-level approvals: model, cell, BMS, enclosure and destination market must match.
- Cell manufacturer, model, grade and traceability
- BMS protection thresholds and firmware
- Cycle, vibration, drop, short-circuit and temperature tests
- UN38.3 test summary and shipping configuration
- Equipment-level safety responsibility and charger compatibility
Website data issue to correct
Some older product-page footer text incorrectly displays another company name. The landing page uses the verified Woptai identity and current park address, but the source website should also be cleaned to avoid overseas buyer confusion.
“Explosion-proof battery” is a regulated claim and must be tied to the exact equipment protection concept and applicable certificate.
Buyer FAQ
Before requesting a battery sample
Can Woptai customize connectors and pack size?
The website states that plugs, capacity and pack solutions can be customized. Feasibility depends on cell, current, space, thermal and certification requirements.
Has the operation been visited?
Yes. Its presence and battery-pack manufacturing activity in the industrial park have been reviewed on site. Model performance and certificates still require files.
Does Woptai have an overseas social profile or Alibaba store?
No independently verifiable official overseas social account or Alibaba storefront was found in this review. The confirmed channel is the company website.
Is UN38.3 a product safety certificate?
No. UN38.3 supports lithium-battery transport. Product and end-equipment safety approvals depend on the application and market.
Battery-pack enquiry
Send the load profile and mechanical envelope
The form opens a structured email to the company’s published contact.
Email: leihuan408@126.com
Telephone: +86 158 1382 3265
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