An EGO Power+ 2.5Ah 56V ARC Lithium battery will power a cordless blower for up to 10 minutes on boost, up to 22 minutes on high, and up to 75 minutes on low. A 4.0Ah battery will power a cordless blower for up to 35 minutes on high.

The 765 CFM EGO POWER+ Blower is the world's most powerful handheld blower.

2.5 Ah Battery: 50-minutes. 4.0 Ah Battery: 80-minutes. 5.0 Ah Battery: 100-minutes. 7.5 Ah Battery: 145-minutes.

The industry's most powerful blower is here! Introducing the 650 CFM EGO POWER+ Blower. With air speeds up to 180mph, this blower can power through wet leaves, rocks, mud, snow, and more with ease.

The issue boils down to proper storage of EGO batteries, when they are not in use, for prolonged periods of time - like over winter. The correct method is to unplug them from charging station and leave them alone - for no more than six months.

On the charger. Over the length of the battery. Life you are going to start depleting. The length of power if you leave it plugged. In. So don't ever store it on a plugged in charger.

Now to note, again EGO is owned by Chervon which is a global brand with manufacturing, testing and offices in China, North America and Europe, so this is just one of the locations we had a chance to visit.

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Up to 140 mins or 2/3 acre with (2) 5.0 Ah batteries & up to 35 mins with (1) 2.5Ah battery or 1/6 acre. These runtimes are based on regular weekly lawn maintenance cutting applications. 13. How fast will the ECHO STANDARD CHARGER fully charge a battery?

EGO claims up to 75 minutes of run-time with the included 2.5 Ah battery in Low.

Due to their high capacity, all EGO batteries can be stored unattended for a minimum of 10 years without damaging capacity and cycle performance. After 30 days batteries discharge to 30% capacity (to ensure longevity).

The issue boils down to proper storage of EGO batteries, when they are not in use, for prolonged periods of time - like over winter. The correct method is to unplug them from charging station and leave them alone - for no more than six months.

If you leave it for a couple of days on the charger, you will deplete the battery's power over the length of the battery life. Tip: Don't store it on a plugged-in charger.