Review on 🔋 HQRP 2200mAh Battery: Compatible with iRobot Mint 4200, 4205, Braava 320, 321 & More - Ultra High Capacity GPHC152M07 for Robotic Vacuum Cleaner by Olivia Barber

You will be amazed by this battery. My mint had a lot to do before it ran out of juice. Now it just keeps working, better than when it was new, and I haven't seen a red light to indicate a low battery yet. I wish I had found this earlier, during the coin's demise. The extra mAh really makes a difference. The battery is slightly larger than the original so I had to be careful where the cable was placed to close the compartment door. But there's nothing wrong with increasing the installation time from one minute to one minute 10 seconds. This battery is a winner.