portable USB battery chargers are a dime a dozen these days, thanks to the fact that our gadgets are actually power hungry little monsters. speaking of which, of those portable chargers available in the market, not all have both the look and reliability that some of us are looking for (you know. battery = possibility of explosion if not designed and manufactured correctly). if you belong to the aforementioned bunch, we have a good news for you: Japan electronics giant, Sony is serving up a duo of Portable USB Battery Chargers aimed at addressing the growing need for convenient source of on-the-go power. with the Japanese firm’s years of expertise in design, technical know-how and manufacturing process – backed by the firm’s reliability, style-conscious skeptics can now have peace of mind knowing that they are actually getting what they will be paying for (and will be safe using them). the models, CP-F1L and CP-F2L, are packed with high capacity lithium-ion – a product that Sony is no stranger to, offering fast charging portable power in an sleek, ultra-slim aluminum enclosure. the CP-F1L features a 3,500 mAh battery with an output of 1.5A that is capable of juicing up your smartphone up to 1.5 times, while maintain a slim and lightweight form factor of a mere 9.4mm thin and 125 grams (4.4 oz) light. the CP-F2L, on the other hand, is fitted with a much higher 7,000 mAh battery that is capable of charging up a smartphone up to 3 times over and with 2.1A on the tap, it is equally capable of topping up your tablet power as well. additionally, the CP-F2L sports a dual USB output power port, allowing you to simultaneously charge two portable devices. hitting the stores in Europe this month. another look at its slimness (of the CP-F1L, of course) after the break.