24V inverter typical input voltage range

[Sverige]

Is there a typical input voltage range for a small 24V inverter, maybe 500W to 1000W pure sine? I ask because I’m having trouble finding specs on many product listings, they all just say “24V DC nominal”.

I’m trying to work out if I could run such an inverter from a 7S LiFePO4 battery (instead of 8S) without running into low voltage alarms and inverter shutdowns before the battery capacity is fully used.

 

[Dzl]

Is there a typical input voltage range for a small 24V inverter, maybe 500W to 1000W pure sine? I ask because I’m having trouble finding specs on many product listings, they all just say “24V DC nominal”.

I ran into that problem with a lot of cheap amazon dc devices (not inverters specifically). In many cases '24v' means 24v nominal with an actual upper limit around 28-32v give or take , but in other cases the seller didn't know or just repeated what the marketing material said or stated 24v was the limit. Its tough to get a straight answer on technical specs from amazon or aliexpress sellers of budget/commodity electronics. And often if you find the "datasheet" it is too basic and doesn't even give you actual voltage specs.

One way to avoid this is (1) buy from a reputable seller that knows what they sell (try altestore.com) and provides tech specs (2) buy a little higher quality gear (not always an option).

I'm not sure I would draw any conclusions about cheaper inverters from higher quality ones, but here are a few datapoints from reputable companies:

Victron Phoenix 250-1200W: 19 – 33V
Samlex PST 600W: 21.4 - 33.0 VDC
Magnum 1500W: 18 to 32 VDC

 

[Sverige]

I ran into that problem with a lot of cheap amazon dc devices (not inverters specifically). In many cases '24v' means 24v nominal with an actual upper limit around 28-32v give or take , but in other cases the seller didn't know or just repeated what the marketing material said or stated 24v was the limit. Its tough to get a straight answer on technical specs from amazon or aliexpress sellers of budget/commodity electronics. And often if you find the "datasheet" it is too basic and doesn't even give you actual voltage specs.

One way to avoid this is (1) buy from a reputable seller that knows what they sell (try altestore.com) and provides tech specs (2) buy a little higher quality gear (not always an option).

I'm not sure I would draw any conclusions about cheaper inverters from higher quality ones, but here are a few datapoints from reputable companies:

Victron Phoenix 250-1200W: 19 – 33V
Samlex PST 600W: 21.4 - 33.0 VDC
Magnum 1500W: 18 to 32 VDC

Thanks DZL. Looks like in all cases I would be safe to use 7S LFP to power these inverters, but 6S LFP would be too low in voltage.

 

[MurphyGuy]

You don't want to purchase anything that is built so cheaply that the manufacturer won't list the specs.