Delivery time exceeded three months! But these are the problems of the postal service in quarantine for coronavirus. The seller answered essentially and behaved in good faith. Batteries delivered charged at 20%. The batteries successfully passed through a full charge, but have not yet been tested for capacity.
the real capacity is more like 5.7ah, constant R discharge, around 1500ma at nominal, down to 0.15v after full charge in a charger. in real life it would be a bit less, depending on the voltage cutoff and load current