I need to run an iMac for an hour in a location without power. Is there a battery-operated powerpack that might work? - Quora
Single-fan vs dual-fan iMac 24: M1 Apple Silicon's performance potential in 7-core base model spoiled by thermal throttling in benchmark battery - NotebookCheck.net News
New macOS Catalina 10.15.5 Beta Brings Battery Health Management - Macworld UK
HOTA F6 QUAD CHANNEL Smart Balance Charger 4x250W/15A for Lipo LiIon NiMH Battery with Type C for iPhone iMac Samsung Charging|Parts & Accessories| - AliExpress