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48v Battery Charger

IMHO the inverter/charger pretty much ate the breakfast of the discrete ac2dc charger.
This is an excellent inverter/charger which includes an excellent charger.
www.donrowe.com

Samlex EVO-4248SP 4200W, 48V Split Phase Pure Sine Inverter/Charger | DonRowe.com

The Samlex America EVO-4248SP, 4200 Watt, 48 VDC, 120/240 VAC Split Phase Pure Sine Wave Inverter/Charger with 60 Amp Charger is a rugged inverter/charger designed for back up and off-grid applications
www.donrowe.com
 
Last edited:
John Frum said:
IMHO the inverter/charger pretty much ate the breakfast of the discrete ac2dc charger.
This is an excellent inverter/charger which includes an excellent charger.
www.donrowe.com

Samlex EVO-4248SP 4200W, 48V Split Phase Pure Sine Inverter/Charger | DonRowe.com

The Samlex America EVO-4248SP, 4200 Watt, 48 VDC, 120/240 VAC Split Phase Pure Sine Wave Inverter/Charger with 60 Amp Charger is a rugged inverter/charger designed for back up and off-grid applications
www.donrowe.com
Click to expand...
Yep, especially in the 48V sector - even less common than 12/24V systems seen in automotive & heavy equipment.. and the reason why I went with a hybrid inverter. I didn't have to worry about 3 (or more) separate components to handle what the hybrid inverter can.
 
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BenFromSignatureSolar said:
You can use your generator as the AC input source to the inverter and charge your batteries that way. I'll see what the lead time is on the 48V charger and let you know. But if you have a rack of 6 batteries, charging through the inverter will be the most efficient course of action.
Click to expand...
Ok, so basically just and extension cord to the ac input of one of the charge controllers? Will it be an issue to only hook 1 of the 2 inverters to the generator
 
Make sure you alter setting 11 to set the max charge amperage to match the outlet/cord you connect to.
 
I don't see why there would be any effect by only using one unit other than it limits your max amps possible. Probably irrelevant based on the generator limitation.
 
Is this because you want the generator N and G bonds linked? I would think you could hard wire it using a transfer switch as one would normally be installed and just switch?
 
Bill Ding Homes said:
Could you explain how that would look?
Click to expand...
When using the grid and/or a generator with multiple inverters, we recommend a subpanel or something that will allow you to overcurrent protect each individual line with breakers. Powering that subpanel with the generator and having breakered connections to each inverter in the system (making sure that all of the Line 1 inverters are on the grid/gen's Line 1, and vice versa) will evenly split the power draws to each line as they have demand for it. Pulling generators over their 50-60% mark can cause the generated sine wave to distorted past 3% harmonic distortion which will damage inverters over time, so you want to make sure that will not happen. It's always advised to have the consultation or supervision of a licensed professional when installing electrical connections.
 
Ben is saying he doesn't want you to call him with a sob story about how you dont understand the difference between 100% duty cycle capability and surge capability of your generator before you hooked it up to your inverter with no safety device to prevent damage (like a breaker ir a fuse).

If you use a decent transfer switch it will have circuit protection. Don't plan on running your gen at the highest number on the box it came in. That's the surge capacity, not the ideal, clean output and sustainable capacity.
 
Bill Ding Homes said:
Have a rack of 6 eg4 48v batteries. Any recommendations on a 48v charger for those sunless days
Click to expand...
Shenzhen Yileide Technology on Alibaba.
I think they may make the unit that EG4 sells, or at least they look very similar. Their charger is Excellent and fast at 25 amps (the model I purchased) using a standard 110V source. Make sure you speak with Jerry( jerry@yileide.com). The unit I purchased was defective, and no questions asked, he sent me a new charger via express shipping, which must have cost quite a bit. THAT is EXCELLENT service. They have LiFePo4 charger models that go up to 40amps.

yileide.m.en.alibaba.com

Shenzhen Yileide Technology Co., Ltd.

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers
yileide.m.en.alibaba.com yileide.m.en.alibaba.com
 
Sanwizard said:
Shenzhen Yileide Technology on Alibaba.
I think they may make the unit that EG4 sells, or at least they look very similar. Their charger is Excellent and fast at 25 amps (the model I purchased) using a standard 110V source. Make sure you speak with Jerry( jerry@yileide.com). The unit I purchased was defective, and no questions asked, he sent me a new charger via express shipping, which must have cost quite a bit. THAT is EXCELLENT service. They have LiFePo4 charger models that go up to 40amps.

yileide.m.en.alibaba.com

Shenzhen Yileide Technology Co., Ltd.

Alibaba Manufacturer Directory - Suppliers, Manufacturers, Exporters & Importers
yileide.m.en.alibaba.com yileide.m.en.alibaba.com
Click to expand...
All the chargers are minimum 10 pieces. We’re you able to order a single?
 
Nan_wpg said:
Which model did you buy? What battery do you have, and how fast does it charge?
Click to expand...
I bought the LiFePo4 22 amp model. I did not time it. I have EVE and Lishen 280ah cells in a Seplos Mason kit. Time to full will depend on the starting SOC. Probably About 7 hours at 50% SOC to full.
 
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