PS Vita lasts about 3-5 hours on its own, but the optional external battery peripheral just announced by Sony will give perpetually unplugged consumers the opportunity to buy themselves some more time. The company released info on the device on Sony's Japanese site.

PS Vita runs 3-5 hours only if players disable Bluetooth and WiFi and keep their screen brightness set to default. The add-on battery pack extends that lifespan to 9-15 hours. The device is small (70x67x22mm), packs 5,000mAh of energy and weighs 145 grams (about 5 ounces). It also appears to be chargeable via USB. Pricing is still unknown.

So, are any of you thinking of picking this up or would you rather keep your PS Vita sleek as can be?

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