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Denmark After-Sales Crisis:
76 Hours That Built a Partnership

Client：Nordic Energy Solutions, Denmark
Category：MPPT Battery Systems
Incident Date：2019
Resolution Time：76 Hours
Outcome：Long-term Partnership + Denmark Branch
Location：Guangdong, China → Copenhagen, Denmark
AJPOWER team rushing to catch a plane

In 2019, AJ Power shipped its first batch of MPPT battery systems to a Danish client. Shortly after delivery, an unexpected regulatory change in EU communication protocols rendered the units unable to establish network connectivity — a compliance issue no one in the industry had anticipated.
The client called. Amanda Lee answered personally.

There was no blame. No delay. No committee meeting.
At 10:30 PM that same evening, Amanda boarded a flight from Guangzhou Baiyun International Airport with a full engineering team — destination: Copenhagen, Denmark.
"When something goes wrong, the only question that matters is how fast you can make it right," Amanda later recalled. "Our client trusted us with their project. That trust doesn't pause because of a regulation change."

What we’ve Done

MetricResult
Response TimeSame day as client call
Departure10:30 PM, Guangzhou Baiyun Airport
Problem ResolvedWithin 76 hours on-site
Units AffectedFull first batch — 100% resolved
Client SatisfactionSigned expanded contract within 1 week
OutcomeDenmark branch office established
Current StatusActive regional partner, 5+ years

How We Solved It

The engineering team faced multiple on-site challenges in Denmark — unfamiliar local infrastructure, language barriers, and the pressure of working against the clock in a foreign country. Despite this, the team maintained a systematic approach:

Day 1：Full diagnostic of all affected units, direct communication with EU regulatory contacts
Day 2：Firmware solution developed and tested, client technical team briefed and involved
Day 3：Full deployment completed, all units communication-verified and signed off 76 hours from landing to resolution.

From Crisis To Partnership

The Danish client told Amanda directly: "This was the first time we have seen a Chinese manufacturer respond this way. We didn't expect you to come in person."

That visit changed everything. Within one week, the client signed a significantly expanded supply agreement. Within two years, they became AJ Power's official Denmark branch — representing AJ Power across Denmark and the surrounding Nordic and European markets.

Every year, Amanda personally travels to Europe to work alongside the Denmark team — conducting product training, developing market strategy, and strengthening the partnership that was forged in those 76 hours.

What This Means For Our Clients

The Denmark story is not unique at AJ Power — it reflects a standard of after-sales commitment that applies to every client, in every market.

- Pre-sales：Full technical consultation and specification support before any order
- During production：Quality inspection at every production stage with documentation
- Delivery：Compliance documentation for CE, UKCA, UN38.3 prepared and verified
- After-sales：Direct access to engineering team for any technical issue, any time zone

When you work with AJ Power, you are not buying a product. You are entering a supply partnership backed by people who will get on a plane at 10:30 PM if that is what it takes.

Gallery

AJPOWER Case