Terra Ultra-Slim Multifunctional power bank with a capacity of 10000 mAh gives fast and effective charging for a long-lasting battery lives of phones and other devices. It uses a highly efficient boost converter and battery protective IC, identifying different kinds of devices, voltage and electric currents and delivering full charge 2 to 3 times to devices even when the battery is flat. Terra Power bank is user-friendly, power-saving and has a long cycle life in addition to rapid charge. It is environmentally friendly, economically efficient, portable and essentially efficient to carry. Available in black, silver and gold colours. Special prices are available for bulk buyers.