[thuttinger]

There is one guy that does the same for batteries, chargers, power supplies and more: https://lygte-info.dk/

[Self-Perfection]

Guess what. Lamptest guy from my comment above tests batteries as well. Here are his websites for this project (same data but different design): https://battest.ru/ https://batterytest.ru/

[leobg]

Thank you. Had been looking for something like this! Batteries are one of these items where you really don’t know what you’re getting.