No need for troublesome fitting work. The "Just Insert USB Battery Charger Charging Pot", which allows you to charge the rechargeable battery just by inserting it, was released in April at Sanko's online shop.
A pot-type rechargeable battery charger that can be placed upright. It can be charged simply by inserting the battery into the slot, and there is no need to insert it firmly as with conventional products. In addition, because it is powered by USB with a cord, it does not block the area around the outlet.
It can be charged with 2 AAA batteries, 2 AA batteries, and 2 18650 rechargeable batteries, and 6 batteries can be charged at the same time. When the 18650 rechargeable battery is inserted, devices such as smartphones can be charged with the USB output.
The size is height 98 x width 59 x thickness 57 mm. Weight is 271g (9.56oz). With USB microB cable. The price is 3,980 yen (tax included).