Banggood

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The items have arrived as advertised and on time, however one of the four batteries was already all puffy and conspicuous looking even before using. I will not risk a fire with the Lipo, so I can't comment on its performance. This would be a perfect combination package if only they all worked. Slightly disappointed. I am attaching a few photos comparing the faulty battery with a proper one from the same batch.

Charger for batteries. Can charge to 4 batteries in the same time. Charger is for usb so guys, you can also charge your phone. Difficult to plug batteries and then off them.

Удобный и дешевый набор запасных аккумуляторов для моего H31. Неплохая зарядка в комплекте. Уж точно лучше той, что в комплекте к самому квадрокоптеру, которой я убил 2 аккума :(

Аккумуляторы пришли заряжены: три до 4 вольт, один до 4.19 вольт. Емкость не проверял. Зарядное устройство работает. Блок питания на 5В 3А Доставили за 10 дней до Хабаровского края транспортной компанией PonyExpress до двери.

With this batteries in the JJRC H31 you can fly about 6:00-6:30 minutes in Mode 3 of speed. Also this batteries are very constant in the discharge. About the charger, the charging time is about 45 minutes.

Good package, delivery in time, but one of the batteries was "inflated" (with air inside) and with lower charge capacity.. The "inflated" battery" in right side is compared with another in good condition.

package arrived squeezed but batteries and charger was unharmed.

Works fine even if the charger does not always charge at 4.2V.

Must have for the drone or you only can fly it a short time!