Ambrane India — Power bank customer service horrors

Bought an Ambrane Aerosync Maglite power bank from Zepto.

Issue from day 1: wireless charging is extremely slow (~2W). I already have another unit of the same model which gives ~7–8W on the same phone, so this is not a compatibility issue.

Contacted Ambrane support on 20 March. They asked for invoice, videos, device details etc. After that, they told me to courier the product to their Delhi service centre (promised ₹100 reimbursement).

I sent it. It was received, and after a few days they marked it as “Repaired” and shipped it back.

Received it, and then the exact same issue persisted. No change whatsoever. Tested again on multiple devices.

I sent them a side-by-side video clearly showing:

- same model power bank (working unit): ~7–8W

- their “repaired” unit: stuck at ~2W

After this:

They asked for videos AGAIN

Gave generic replies like “drain battery below 20%”

Ignored the comparison completely

Then suddenly changed their stand and said:

“no issue in the power bank”

After already marking it as “repaired”.

They then told me to courier it AGAIN to Delhi, and added that if no issue is found, I will have to bear courier charges.

Other issues:

- No service report of what was repaired

- Courier reimbursement still not processed

- Refusing replacement

- Refusing refund (telling me to contact Zepto instead)

Now offering pickup but with 20–25 days timeline due to “logistics issues”.

Legally speaking, this makes no sense:

- Product was accepted for repair → implies defect acknowledged

- Returned as “repaired” → implies defect existed

- Same issue persists → repair failed

- Now claiming “no issue” → contradictory position

Under warranty, they should either properly repair or replace. Repeatedly asking the customer to ship the product without resolving the defect is not reasonable service.

At this point I’ve:

- Provided invoice

- Sent videos multiple times

- Shipped the product once already

- Demonstrated defect clearly

Still stuck in a loop.

TL;DR: Sent defective Ambrane power bank for repair, they returned it “repaired” with same issue, now saying no issue exists and asking me to send it again. No replacement, no refund, no proper resolution.

Planning to escalate this to the NCH if their resolution is not satisfactory.