Overview
mrAkumulator is Robert Mazurek’s channel focused on independent testing of car batteries. It measures real capacity, CCA starting current, internal resistance, construction, and battery life, then compares the results with manufacturer claims. The site publishes test results from his own measuring setup and also works with independent laboratories.
Financials
Revenue history (in k)
Data and insights are generated automatically based on financial statements and may contain errors. This analysis is for informational purposes only and does not constitute an official assessment of the company's credibility or business advice.
Statistics
How the company ranks by revenue within its industry, region and across Poland in 2025.
Results vs industry
Industry
Bank accounts
Registered as a VAT taxpayer on 2023-12-12. Active
98 1140 2004 0000 3202 8406 0285
Debt
No entries in the National Debtors Register (KRZ). No proceedings in KRZ
Public aid
No public aid cases recorded in the last 10 years.
Tenders
No recorded participation in tenders.
Authorized Representatives
Manner of representation
Each member of the management board is authorized to make declarations on behalf of the company independently.
Ownership
| Owner | Shares | Share value | Stake |
|---|---|---|---|
Nikola Joanna Mazurek (24) | 5 | $135.06 | 10% |
Robert Mazurek (49) | 45 | $1,215.56 | 90% |
Robert Mazurek and Nikola Joanna Mazurek hold a combined 100% – the ownership structure indicates family control.
Beneficial owners
| Person | Rights | |
|---|---|---|
Robert Mazurek (49)  | Shareholder of a limited liability company, 4500.0 PLN |
Competitors
| Name | Revenue | Website | ||
|---|---|---|---|---|
| Aku-Mobilesp. z o.o. | $33,304.95 | aku-mobile.pl |
Change history
| Date | Event | |
|---|---|---|
| 2025-07-31 | Business suspended | |
| 2023-08-10 | Entered in the register |
FAQ
Last updated: 2026-05-29