Handset makers have managed to constantly improve battery life for smartphones, although battery life will hopefully be significantly further improved in future smartphone generations. Until then, mobile device users who own more than one device that needs charging will still have to recharge their batteries on a very frequent basis, and often at the same time. For them, Samsung has devised a handy new accessory: The Multi-Charging Wall Charger, which the company says will be available to buy soon. The device lets users charge up to three devices simultaneously, including smartphones, tablets, wearable devices, headphones, and basically anything that can be charged with a microUSB cable. Naturally, the more devices you charge simultaneously, the more time they’ll take to reach full capacity, although