Ambrane PP-511 5000mAh Lithium-Polymer Power Bank. Ambrane Capsule PP-511 is a capsule shaped 5000 mAh Lithium Polymer Power Bank. This small in size, sleek design and premium texture finish power bank is exclusively designed to easily fit into your pockets making it a perfect blend of style, looks and performance. Perfect for travelling, this capsule power bank promises good portability with its compact design and its simple to use functions make it a convenient power bank for all age groups.