Gallery View: South Korea's wireless charging pads support high-speed power transfer

Based on magnetic coupling, IDRO Co. Ltd's model Pokemon Wireless Charger/IDROWC-100 wireless fast charger operates on 110 to 205kHz, and delivers 7.5W to Apple and 10W to Samsung and LG smartphones. Foreign object detection, and overvoltage and -heating protection are built-in, while UHF RFID function is optional. The 101g unit has LED status indicators and comes with an anti-slip patch. It bears FCC and KC approval. Price is $29. The minimum order is 1,000 units. Delivery is within 60 days.

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This free-positioning wireless fast charger from IDRO Co. Ltd, Slope Wireless Charger/IDROWC-300 model, outputs 7.5W to an Apple smartphone and 10W to a Samsung or LG handset using magnetic coupling. The operating frequency is 110 to 205kHz. The unit supports foreign object detection, and integrates overvoltage and -heating protection. It has Micro USB and USB-C ports, and LED status indicators, and comes in rose-quartz, spa-blue and silver-gray variants. Dimensions are 102x115x25mm and weight is 160g. The product with a pending design patent carries CE, FCC, KC and China certification.

The maker requires an order of at least 1,000 units for this $29 model. Delivery takes 60 days.

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Compatible with iOS and Android devices, Koma Tech Co. Ltd's Qi-certified Freedy Flex Fast Wireless Charging Pad-Expansion Pack/EA1201+ model can be used as is or with the bundled stand or cradle. It can transfer power through a slim phone case, while one that is bulky, made of metal or with a ring has to be removed. The maximum power output is 10 or 15W. Safety features include temperature control, short-circuit prevention and surge protection. The 104x110x85mm and about 185g model includes LED status indicators, a power adapter and 1.1m cable. It has CE, FCC, KC and PSE approval, and comes with a 2-year warranty. Price is $18. The minimum order of 24 units is for immediate delivery.

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Designed to power up two smartphones at the same time, the Freedy Flex Dual Fast Wireless Charging Pad/EA1202 model from Koma Tech Co. Ltd provides 7.5W to Apple, 10W to Samsung models, and 5W to other Qi-enabled devices. Safe to use, it has built-in temperature control, surge protection and short-circuit prevention. The $22 unit supports charging through a phone case but requires a bulky, metal or one with a ring holder to be removed. It is 95x205x12mm and about 130g, and comes with a power adapter and 1.1m cable. Warranty is 12 months. An order of 24 units is required and delivered immediately.

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MDiff Co. Ltd offers this wireless fast charging pad, Slim Pad/ADPD-SP1 model, with 5VDC, 2A or 9VDC, 1.67A input and 5, 7.5, 9 or 10W output power. The charging efficiency is ≥70 percent. The PCB assembly is in the USB connector, making the device ultraslim. The 79.4x154x5.9mm model is 97g, and has an LED power indicator and a 1.2m cable. It meets CE, FCC, KC and RoHS. Price is $11. The minimum order is 1,000 units and the delivery lead time 30 to 40 days.

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Smart IoT Co. Ltd's power bank and wireless charger in one unit, Curiz AP-5000mAh model, presents 5W wireless and 10W wired options, and can power up two devices simultaneously. Besides the contactless power transfer, the built-in Bluetooth Low Energy module enables remote control and monitoring through an app. The 160g product is 133x68x12.8mm. It is priced at $30. An order of at least 10,000 units is required. Delivery lead time is 45 days.

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