ZMI QB810 10,000mAh Power Bank is the smaller sibling of the ZMI QB820 20,000mAh Power Bank.
I bought it for CN¥89 (S$19) (excluding shipping) at ZMI official online store in T-mall during their 12/12 sale. The usual price is CN¥99 (S$21).
Xiaomi ZMI QB810 10,000mAh Power Bank
