Recommendations for Battery Powered Air Compressor

[JimD]

I have not tried it but I am confident it will work. I have a 100 amp hour lithium phosphate battery on my smaller boat for the trolling motor. Fully charged it puts out 14 volts. But car alternators put out 14V too. So the compressor can take it but I don't know if a steady diet of 14V will affect the compressor.

 

[Steelontarget]

I pulled the trigger on the GX E L3 pump. The waiting begins...

 

[rut]

I pulled the trigger on the GX E L3 pump. The waiting begins...

I think you’ll like it. A lot. It’s the only pump I use. Direct fill to my BRK Ghost. Well built pump that I think works great. I use their new filter with it now also.

 

[Steelontarget]

I think you’ll like it. A lot. It’s the only pump I use. Direct fill to my BRK Ghost. Well built pump that I think works great. I use their new filter with it now also.

I got back into PCPs several years ago when portable compressors appeared. I didn’t like the idea of constantly driving somewhere to fill up a tank.

Then after using a compressor that required an electrical outlet or car battery I reconsidered getting an air tank.

What appeals to me with this compressor is no plug in or external battery. It also takes up less space than an air tank.

When in the field, I won’t have to waste time with connecting a compressor to the car battery and starting the engine.

There is a battery store in the local area. I will take one of the batteries there to see if I can get a couple more spare ones that are compatible.

 

[rut]

I got back into PCPs several years ago when portable compressors appeared. I didn’t like the idea of constantly driving somewhere to fill up a tank.

Then after using a compressor that required an electrical outlet or car battery I reconsidered getting an air tank.

What appeals to me with this compressor is no plug in or external battery. It also takes up less space than an air tank.

When in the field, I won’t have to waste time with connecting a compressor to the car battery and starting the engine.

There is a battery store in the local area. I will take one of the batteries there to see if I can get a couple more spare ones that are compatible.

Yep. Really good compressor. Takes up no space. It takes the Mikita batteries from all I’ve read about it, so you should have no problem finding them. I always top off my gun when the regulator hits right around 150. Fills it to 250 in just a few minutes. Also, the compressor shut off gauge seems to match my guns gauge.

 

[Neu]

I have not tried it but I am confident it will work. I have a 100 amp hour lithium phosphate battery on my smaller boat for the trolling motor. Fully charged it puts out 14 volts. But car alternators put out 14V too. So the compressor can take it but I don't know if a steady diet of 14V will affect the compressor.

You could always get a stepdown for a continuous 12volt from The lipo battery.

 

[gbmarcht]

I have the GX E L3 dual battery compressor. This thing works great. I use it for direct fill to my BRK Ghost. Really good unit. I also have their new filter that I run with it. Both the compressor and the filter are outstanding.

Agreed, I have the same and works perfectly

 

[JimD]

My first choice for gun fills is my 45 minute Scott air tank I refill with my Yong Heng. But my backup is my GX CS2 and I use the GX filter with it. I've filled guns about 10 times with Milwaukee 18V tool batteries to prove to myself it works but more recently I just used the 120V to 12V power supply since I was at home. The GX takes more time but it isn't bad. I see one as a totally reasonable one compressor fill source, especially for somebody starting out. If you want to go to a bottle later you could but the little GX would still be very useful if you travel.

 

[Steelontarget]

I received the air compressor. It is really well constructed. The only thing that I needed to change on it was the quick disconnect.

I need a longer one for the FX Impact M4.

I tested the auto-shutoff with the plug then filled an AirForce airgun. It works as advertised and is smaller than the Vevor compressor that I already have.

Next stop is the battery store for a couple of extra batteries.

Many thanks for the recommendations!

 

[ZZP100]

I will use this in an emergency. I prefer dry air from my tanks, but if the tank get low, i have a backup. Don't forget a good filter from Joe B.

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Mr. Brocock, how long do your batteries last? I’m new here and to air guns but having worked a lot with batteries I’m curious on the load that compressor puts on them. Any complaints on the setup?

 

[Mr.Brocock]

I don't Know!! I use it sparingly, only in a pinch so......i can't tell you. It's always did it's job when needed though. As i said, always use a good filter. Joe B. has the best.

 

[NotCutleryLover]

I have been able to use an EcoFlow River 3 Plus to power my JTS comp1. Not all portable batteries will work due to wattage output limits, but a river 3 is sufficient if you disable "Xboost" mode. I haven't done a max runtime test, but it's enough to top off an FX impact several times.

 

[iFish]

I have been able to use an EcoFlow River 3 Plus to power my JTS comp1. Not all portable batteries will work due to wattage output limits, but a river 3 is sufficient if you disable "Xboost" mode. I haven't done a max runtime test, but it's enough to top off an FX impact several times.

Did you run it AC or DC via the Ecoflow?

 

[NotCutleryLover]

Did you run it AC or DC via the Ecoflow?

I ran it via AC, which I'm aware is less efficient due to converting from DC to AC and back again. I'm not super familiar with EcoFlow's competitors, but none of the smaller EcoFlows have sufficient DC output interfaces for the compressor.

I'd need to re-run my wattage test of the compressor but I believe it was drawing around 450W under load and 40W with just the cooling fans on.

 

[ZZP100]

@NotCutleryLover I wouldn’t worry about AC vs DC, the newer systems have really impressed me with their inverter efficiency. You might save a few percent by using DC, but it’s generally not worth if it’s any inconvenience. Check out ReeWray Outdoors on YouTube if it bothers you. He breaks them down pretty good.

 

[Normkel]

I have not tried it but I am confident it will work. I have a 100 amp hour lithium phosphate battery on my smaller boat for the trolling motor. Fully charged it puts out 14 volts. But car alternators put out 14V too. So the compressor can take it but I don't know if a steady diet of 14V will affect the compressor.

DC motor current draw decreases with RPM, which is why they have their highest armature torque at zero RPM. Many will recall that it was common practice to convert 6 volt tractors and vehicles to 12 volt, but no need to make changes to the starting motor. In fact, 6 volt starters (starting motors) last much longer when powered by 12 volt.

There is much confusion regarding motor loads because most people consider an electric motor to be a DC resistance load, ignoring the switching effect of brushes and commutator.

Many will also recall that a failing battery typically results in destroying the starting motor, because of the low voltage, low motor RPM = high current issue.

In my (70) years of starting systems & DC motor experience, I have no concern with operating my small compressors off 14 volts versus 12 volts, but great reluctance to operate them from lower voltage sources.

Another factor that is often ignored is the operating voltage question. A "12 volt" or "14 volt" battery is only providing that voltage at a low, or zero current (amps) flow. When powering a load, especially a significant load such as the compressor or starting motor, the battery voltage will be pulled down, often much lower.

The industry standard minimum voltage for 12 volt starting motors, applicable to other DC motors IMO, is 9.6 volts. If a "12 volt" DC motor is operating at a supply voltage below 9.6 volts, that is asking for trouble.

I would be grateful to learn how much the 100 amp LI battery voltage is pulled down by the load of your compressor. It the battery is capable of powering a trolling motor for extended periods, I expect it will be more than satisfactory for your compressor. A voltage measurement of battery voltage with compressor operating will tell the tale. By the way, batteries can be damaged by too high a current flow (draw) so I would be more concerned about battery damage than motor damage.