PSA: I just picked up the new 16" HP mower (P1190) and found that the 9ah battery fits just fine with plenty of clearance for the lid to close. I've seen a
Ryobi 18-Volt Lithium + HP High Capacity 9.0 Ah Battery - - Amazon.com
18V ONE+ 9.0Ah High Capacity Battery - RYOBI Tools
Good deal for 2-pk of 6ah and 9ah Batteries $99 and $139 : r/ryobi
Ryobi P194 9Ah Li-Ion Battery for sale online | eBay
PSA: I just picked up the new 16" HP mower (P1190) and found that the 9ah battery fits just fine with plenty of clearance for the lid to close. I've seen a
9AH 6AH LITHIUM ion Battery For Ryobi 18V ONE PLUS P108 RB18L50 RB18L40 RB18L13 - £22.59 | PicClick UK
For Ryobi – Dasbatteries
RYOBI ONE+ 18V Lithium-Ion 9.0 Ah LITHIUM+ HP High Capacity Battery-P194 - The Home Depot