It came quickly. The battery was 15.57 volts. It's good for the battery from the warehouse. A little later I will add how much worked after the first charge.
Everything is fast, everything works. How much real capacity it is difficult to judge, but the fact that by weight it is more original by 100 gr (703 gr. -The original 3000 Ma * H, 806 gr.-This 4800 MA * H) already pleases, at least not quite a pacifier and 3000 there exactly need to be. Before that, he took Li-ion, type 4400 Ma * h-in fact inside was 8 PCs. 18650 to 550 Ma * h (2 pcs. In parallel-we have only 1100 Ma * h-no 4400-deception, a trick-stupidly folded the capacity of all 8 PCs and type 4400 received). Worked half a year and 5 PCs. Of them died, and all because of the fact that although in the battery and the controller was standing, but the charging current does not turn off completely-even with a charged battery, 125 Ma (specially measured). That is, the recharge has always been. Redo, resolder and adapt the scheme in the vacuum cleaner there is no desire, so this time and took the metal hydride, although it was possible to change only 18650 to normal new and get real 7000 mAh at 14,4 V voltage, but think will also die quickly because of the wrong charge.
On the charge from which the batteries came worked an hour. Then, after full charge, pumped up to 1,5 hours. It's with rumba 760
Everything is fast, everything works.
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That is, the recharge has always been.
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What customers say
64% buyers are happy with:It came quickly. Delivery fast. Everything is fast. Quality good. Packaging good. Packing good. Device looks ok. 18650 to 550 ma * h. Gr.-this 4800 ma * h pleases.
28% buyers complain about:Charge full. Batteries came worked an hour. Recharge has always been. Charging current does not turn off completely. Folded the capacity of all 8 pcs and type 4400 received stupidly. Type 4400 ma inside was 8 pcs. Battery was 15.57 volts.