Warranty Registration

Register your NIKKO Battery.

Register your unit within 30 days of installation to activate your full 5-year warranty. Registration ensures your serial number is logged directly with NIKKO — not just the installer.

5-Year Warranty
Registered to You Directly
5-Day Claim Turnaround
Free Registration
NIKKO 2.5
NIKKO 5 Wall
NIKKO 5 Rack
NIKKO 15
Customer Information

Please enter your full name.

Please enter a valid phone number.

Please select your city.

This is where the battery is installed — required for warranty site visits.

Please enter the installation address.

Product Information
NIKKO 2.5
25.6V · 100Ah · 2.56kWh
NIKKO 5 Wall
51.2V · 100Ah · 5.12kWh
NIKKO 5 Rack
51.2V · 100Ah · 5.12kWh
NIKKO 15
51.2V · 280Ah · 14.34kWh

Please select your product.

On the label at the back of the unit.

Please enter the serial number.

Please enter the purchase date.

Please enter where you purchased.

Helps us provide faster technical support if needed.
Proof of Purchase
📄

Click to upload your invoice or receipt

JPG, PNG, PDF up to 10MB

Optional but recommended. Speeds up any future warranty claims.

WhatsApp connects you instantly for confirmation. Email creates a record at info@nikkoess.com.
You'll receive a registration number within 24 hours.

Why Register?

Your warranty, in your nameWarranty is registered directly with NIKKO — not just the installer. You're protected regardless of who sold you the unit.

Faster claimsRegistered units skip verification. Your claim starts immediately — no back-and-forth to confirm ownership.

5-year coverageFull 5-year warranty from date of purchase. Covers defects, BMS faults, and capacity degradation.

Register within 30 daysRegistration must be completed within 30 days of installation to activate full warranty coverage.

Already have an issue?

If your battery is already showing a fault, go directly to the warranty claim form — you can register and claim at the same time.

Submit a Warranty Claim →

Need help finding your serial number?

The serial number is on a white label on the back or bottom of the unit. It starts with NK- followed by the model code.

WhatsApp us a photo →
✓

Warranty Registered.

Your NIKKO battery is now registered. Keep this reference number — you'll need it for any future warranty claims.

Ref: NK-WR-000000

Our team will send you a confirmation within 24 hours.

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