Instruction: Rank the products A, B, C, ... based on their relevance to the provided query, and produce a ranked list with the most relevant product positioned at the top of the list.

Input:
Query: personalized portable charger
Product list:
A: Anker PowerCore 13000 Portable Charger - Compact 13000mAh 2-Port Ultra Portable Phone Charger Power Bank with PowerIQ and VoltageBoost Technology for iPhone, iPad, Samsung Galaxy (Black)
B: Custom Personalized Portable Power Bank Charger - Customized External 2200 mAh Charging Battery Pack for Mobile Cell Phones and Tablets with USB Cord (Teal)
Answer: B,A