<div dir="ltr">Hello Jason,<div><br></div><div>I have had success with the cheap, variable power supplies on Amazon. Its nice to be able to adjust output voltage from 0-60V for the various battery bank voltages we encounter. You have to build your own cord but they are small and easy to have on the truck. They are slow but typically, this isn't a big deal if you are just trying to get it above the BMS cut out voltage. There is very little actual charge from <40V to 48V, then you can engage the power system to do the heavy charging. I like to be able to apply charge to the cell directly if there is one that is problematic if there is access to the cell level. <div><br></div><div>Just remember that you probably want a power supply that doesn't require a battery to wake up.
It's hard to have all of the tools, dongles, apps etc that we need on a service call these days!
</div></div></div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Fri, Feb 14, 2025 at 7:01 AM Kirk Herander via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr">Jason,<div><br></div><div>The NOCO GX4820 is a great charger. I've used it to dark-start Fortress and Blue Planet 48v cabinets, instead of dinky trickle chargers taking hours to do the same job.</div><div>Priced at $500 a year and a half ago. its rated @ 110 -240 vac input. The one I bought came only with a 120v cord.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Feb 14, 2025 at 7:29 AM Jason Szumlanski via RE-wrenches <<a href="mailto:re-wrenches@lists.re-wrenches.org" target="_blank">re-wrenches@lists.re-wrenches.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><span class="gmail_default" style="font-family:arial,helvetica,sans-serif">I'm looking for a suggestion for a good all-around charger for service purposes. I would consider a 240V or 120V option. The purpose is primarily to charge 5kWh lithium batteries.</span><div><font face="arial, helvetica, sans-serif"><br></font></div><div><font face="arial, helvetica, sans-serif"><span class="gmail_default" style="font-family:arial,helvetica,sans-serif">I would probably just pick up an EG4 Chargeverter, but it is back-ordered. Something more portable would be nice.</span><br></font><div><br clear="all"></div><div><div dir="ltr" class="gmail_signature"><div dir="ltr"><br>Jason Szumlanski<div><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Principal Solar Designer | Florida Solar Design Group</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">NABCEP Certified Solar Professional (PVIP)</span><br style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px"><span style="color:rgb(51,51,51);font-family:Roboto,RobotoDraft,Helvetica,Arial,sans-serif;font-size:13px">Florida State Certified Solar Contractor CVC56956</span></div><div><font color="#333333" face="Roboto, RobotoDraft, Helvetica, Arial, sans-serif">Florida Certified Electrical Contractor EC13013208</font></div></div></div></div></div></div>
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</blockquote></div><div><br clear="all"></div><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div><br></div><div><font color="#305A78" face="'times new roman', serif"><br></font></div><div><br></div>Mac Lewis<br><br><span style="font-family:"Times New Roman";font-size:medium;color:rgb(255,153,0)"><b><font face="Arial, Helvetica, sans-serif" size="3"><p align="left"><font color="#000000" face="Verdana, Arial, Helvetica, sans-serif"><span style="font-size:small"><span style="font-family:arial;font-weight:normal;color:rgb(48,90,120)"><font face="'times new roman', serif">"Yo solo sé que no sé nada." </font><span style="font-weight:700;color:rgb(104,104,104)"><font face="'times new roman', serif">-Sócrates</font></span></span></span></font></p></font></b></span></div>