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: lifepo4 power generator
Product list:
A: BLUETTI Portable Power Station EB70, 716Wh Solar Generator LiFePO4 Battery Backup 700W Inverter with 2x100W Type-C PD, 4x110V Pure Sine Wave AC Outlets, Emergency Power for Off-Grid, Outdoor, Home Use
B: BEAUDENS Portable Power Station 166Wh/52000mAh LiFePO4 backup battery 2000 Cycles, 110V/150W AC Outlet, Solar Generator for CPAP Outdoors Emergency
Answer: B,A