Precision at every stage of assembly.

Japanese engineering methodology, disciplined process control, and full traceability — the standards behind every Sukoya product, applied on our Make-in-India lines.

How we build

A four-stage process, controlled end to end

Every unit follows the same disciplined path from incoming cell to shipped product — no stage is skipped, and every stage is logged.

STEP 01

Cell Grading

Incoming cells are tested and matched for capacity and internal resistance before they ever enter a pack.

STEP 02

Precision Assembly

Automated welding, calibrated torque, and BMS integration under controlled conditions for repeatable quality.

STEP 03

Validation & Burn-in

Full charge/discharge cycling, thermal profiling, and load testing against the product's rated spec.

STEP 04

Traceability & Dispatch

Serialised records, QR traceability, and final QC sign-off before packaging and shipment.

Kaizen
Continuous Improvement

Japanese Engineering

The philosophy behind the hardware

Our processes are shaped by three principles from Japanese manufacturing: Monozukuri — the craft of making things well; Kaizen — relentless, incremental improvement; and Poka-yoke — designing errors out of the process before they happen.

Applied to power electronics, that means conservative ratings, repeatable assembly, and quality that doesn't depend on luck.

Quality Standards

Tested to a standard, not to a deadline

100% Cycle-Tested

Every pack is charge/discharge tested before dispatch — no sampling, no exceptions.

Thermal Profiling

Units are validated across temperature to confirm safe, stable operation in real conditions.

Full Traceability

Serialised, QR-linked records for every unit — cell batch to final QC, auditable on demand.

Compliance

Certified & compliant

ISO 9001:2015
Quality Management
CE Marked
EU Conformity
BIS Certified
Bureau of Indian Standards
UN 38.3
Battery Transport
RoHS
Hazardous Substances

Manufacturing Ecosystem

Proudly Manufactured in India — Engineered for Global Markets

Our Manesar facility combines strict process control, lean production, and sustainable practices to offer rapid development, local customisation and reliable after-sales support while meeting global quality standards.

Automated Processes

Laser welding with laser cleaning and CCD vision inspection for repeatable, high-integrity welds and low defect rates.

Testing & Validation

Electrical and functional testing, burn-in, thermal profiling and full traceability from cell batch to final QC.

OEM & Custom Supply

We supply customised packs, BMS solutions and ESS to OEMs, EV manufacturers and system integrators with clear datasheets and procurement-friendly certificates.

FAQ

Manufacturing & quality, answered

Are Sukoya products actually made in India?
Yes. Our products are assembled and validated in India using Japanese engineering methodology and premium imported cell chemistry, then quality-tested locally before dispatch.
What warranty do you offer?
Battery packs and BMS carry a standard 5-year warranty. Specific warranty terms vary by product line and are stated clearly on each datasheet — no fine-print surprises.
Is every unit tested, or just samples?
Every single unit is 100% cycle-tested and passes final QC before shipping. We don't rely on batch sampling for our core battery products.
Can you supply to OEMs at volume?
Yes. We supply cells, packs, and BMS to OEM partners with custom configurations, and offer distributor pricing. Share your volumes and specs via the contact form.
Which certifications do your products hold?
Our facility and products align with ISO 9001:2015, CE, BIS, UN 38.3 transport testing, and RoHS. Certificates are available on request for procurement teams.

Visit & verify

Want to audit our process?

We welcome procurement audits and factory visits from serious buyers and partners. Request documentation or schedule a visit.

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