[RFI] Mercedes Sprinter Charger RFI

[John Langdon]

Jim,

Chances are maintaining the battery of an EV at 100% state of charge will reduce battery life, not extend it. If he has the smaller battery model, it has about 175 miles of range, so that may be why he feels the need to keep it fully charged.  But it doesn’t "trickle charge" like a lead acid battery. It should be maintained at about 80% SOC and that can be achieved in a few hours.

In any case the RDI probably means the verger is not installed correctly and/or operating properly. See https://group.mercedes-benz.com/innovation/drive-systems/electric/esprinter.html which states:

"...the new eSprinter is capable of charging with both alternating current (AC) and direct current (DC). The on-board charger, which converts the current in the vehicle when charging with alternating current, for example at a Wallbox, has a maximum output of 11 kilowatts. The new eSprinter can be charged with up to 115⁵ kilowatts at fast-charging stations..."


73 John N5CQ



-----Original Message-----
From: RFI <rfi-bounces+woyb10051=outlook.com at contesting.com> On Behalf Of James Jordan
Sent: Sunday, February 2, 2025 9:17 PM
To: Jim McCook <w6ya at cox.net>
Cc: RFI List <rfi at contesting.com>
Subject: Re: [RFI] Mercedes Sprinter Charger RFI

" The owner claims he needs
to charge constantly to avoid damage to the lithium batteries."
Be that as it may be, it doesn't give him the right to create RFI. Take the Sprinter back to the dealer.
Electric is a new vehicle and is not exempt....
Good luck,
73,
Jim K4QPL


On Sun, Feb 2, 2025 at 7:52 PM Jim McCook <w6ya at cox.net> wrote:

> I just tracked a new, intense RFI source to my neighbor's brand new
> Sprinter, about 150ft from my tower.  When he removed the charger the
> RFI disappeared.  The RFI covers most HF bands, on 15m has broad,
> moving
> S-7 peaks on my K3 (calibrated S-meter).  I assume it's an unfiltered
> switching supply.  Has anyone had experience with such chargers of the
> Sprinter or other electric cars?  Do Tesla chargers emit such RFI?
> Are analog chargers available for electric cars? The owner claims he needs
> to charge constantly to avoid damage to the lithium batteries.    Jim W6YA
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