If you? smartphone run out of power at inappropriate moment, these new portable USB power supply chargers from Sony will be your best friend.

Codenamed CP-A2LS and CP-ELS, are ideal for people who are always on the move and Sony says that both model retain ~80% of their initial charging level after 12 months. The CP-A2LS portable charger packs a Li-ion battery with 4,000 mAh capacity, which means that is able to recharge your smarphone up to two times. It has two USB ports, providing 0.5A per port or 1.0A for high power output through single port only, also has four LED indicators which will inform you for the charger’s remaining battery level and will allow you to charge your mobile, either via the included micro-USB cable or your smartphone’s original cable.