I tried released from horror of running out of batteries with ultra compact keychain-sized mobile watch battery for Apple Watch

Apple Watch can not charge without a dedicated cable. Although I have been using it for more than 1 year since the first Apple Watch was released in March 2016, if the battery is fully charged, although the battery has a full day of surplus, it rushes on the second day or the third day without charging If you do, the battery will be empty and it will not even function as a clock. Because it is almost never enough to use the dedicated charging cable every day if it is bothering to use it, so it is not used so frequently and it is almost zero that you can borrow a charging cable to someone around you, so " Many people think that if there is a mobile battery that can charge Apple Watch .... " A mobile battery for Apple Watch that is perfect for such Apple Watch users is "Oittm Mobile battery for Apple Watch MiniWith the keyholders' size that we can easily carry, we have the power to fully charge the Apple Watch battery from the empty state.

Amazon | Oittm Mobile Battery for Apple Watch Mini Portable Apple Watch Professional Charger Wireless Charger Built-in Battery 900mAH Small Apple MFi Certified Apple Watch 38mm / 42mm Corresponding White | Home Appliances & Camera Online Mail Order
https://www.amazon.co.jp/dp/B01MU15UE6/

◆ Photo review
Oittm Mobile battery for Apple Watch The package of Mini is like this. As the package has "Made for Apple Watch" logo, it is an Apple certified third party accessory.


When opening the box it looks something like this. Inside the body and Japanese instructions were included.


With a key chain, it can be carried like a key holder. It is lovely that the case type and the length of the key chain are not delicately matched.


So, this is the mobile battery for Oittm Apple Watch Mini. It is about this, when it is put in the palm of your hand, it is exactly the size of the key holder, but the battery capacity is 900 mAh. In addition, the first 38 mm of Apple Watch205 mAh, 38 mm of Apple Watch Series 2273 mAhThe battery is carried.


The diameter is about the same as Red Bull's 185 ml can and 250 ml can.


There is nothing especially on the back.


There is an indicator on the power button on the side, and the four LED lamps tell us the remaining capacity of the battery. When charging, press the power button to make it usable, and when charging is completed press and hold the power button for 2 to 3 seconds is OK.


MicroUSB port for charging the main unit is also on the side.


It's easy to use, just place the Apple Watch on top of the body and press the side power button.


When charging Oittm Mobile Battery Mini for Apple Watch, you can use microUSB cable OK. When charging, the indicator on the power button on the side flashes, and when the battery is fully charged the side indicator stops flashing and lights up.


In addition, it is also possible to carry around with hanging on a bag because it has a key chain.


◆ I actually charged Apple Watch
Try charging the first Apple Watch (42 mm) with the battery empty using the fully charged Oittm Mobile Watch battery for Mini.


Charge start at 14:03.


When about 1 hour passed, the battery recovered to 72%.


Approximately 1 hour 30 minutes later the battery to 94%.


Approximately 1 hour 45 minutes later the battery to 98%.


Succeeded to charge the battery to 100% with about 2 hours of charging.


When fully charging the Apple Watch's battery, the indicator on the power button part of the mobile battery Mini for Oittm Apple Watch had decreased from four to two. After this, I re-emptied the battery of Apple Watch again and recharged with the Mobile Battery Mini for Oittm Apple Watch that I kept using without worrying about, the remaining amount of the battery of Apple Watch became 19% By the way mobile battery can not be used.


◆ I tried charging the mobile battery Mini for Oittm Apple Watch
Try charging the mobile battery Mini for Oittm Apple Watch, when the battery level is zero, using an AC adapter with output 5V / 1A.

Oittm Mobile battery for Apple Watch The iPhone next to the Mini is for measuring the charging time. In addition, it was described that the manual can be charged in about 2 hours.


The first indicator lights and the second indicator flashes in about 30 minutes from the start of charging.


The first to third indicators light up in approximately one hour from the start of charging, the fourth indicator flashes.


Even after about 1 hour and 30 minutes have elapsed since charging started, only the 4th indicator is blinking.


When confirming when about 2 hours and 23 minutes passed from the charge start, the flashing of the indicator was stopped. Charging of the battery is completed when all indicators light up without flashing.


It is quite appreciated that people who actually use Apple Watch can solve the battery exhaustion condition that they may have tasted by just carrying a key holder battery size. Perhaps the size does not get in the way than the dedicated cable of Apple Watch? It is compact as it is, there is no cable, so there is no worry of disconnection. It is a perfect item for those who want to use Apple Watch as much as possible, making the inside of the bag refresh a little.

Please note that "Oittm Mobile Battery Mini for Apple Watch" is sold at 4,999 yen on Amazon.co.jp.

Amazon | Oittm Mobile Battery for Apple Watch Mini Portable Apple Watch Professional Charger Wireless Charger Built-in Battery 900mAH Small Apple MFi Certified Apple Watch 38mm / 42mm Corresponding White | Home Appliances & Camera Online Mail Order