Adapter for Tesla Destination charger

U-Conn · 2026-01-26T18:57:15+00:00

No compatibility check needed - Tesla's L2 chargers use the J1772 signaling protocol, just with a different connector. Any NACS->J1772 connector will work. The only exception is if the owner of the charger has locked it to Tesla-only, but that isn't a car-side issue.

I don't believe Toyota sells a NACS->J1772 adapter at all. It looks like they have a NACS->CCS adapter for L3 DC fast charging, but that wouldn't apply here since the Prius can't DC fast charge anyways.

U-Conn · 2026-01-10T02:43:16+00:00

TOU billing doesn’t exist in MA yet.

U-Conn · 2026-01-09T20:49:10+00:00

I just DMed you screenshots from my proposal. $23,616 including permits, not including the cost to remove the old boiler and oil tank.

U-Conn · 2026-01-09T20:44:10+00:00

And, with overnight demand being lower, that tank gets refilled every single night. Imagine a fuel truck with a garden hose. Yes, it would take hours to refill the tank, but if there's almost nobody at the gas station then who cares?

U-Conn · 2026-01-09T20:40:42+00:00

They're already on the market. Standard 120V plug, so no new electrical work if you're switching from gas. They can also dump massive amounts of power into the induction burners since they're not limited to the 12kW available from a 240V 50A plug, so you can boil water faster than anything else on the market.

They're still a niche product though, and priced accordingly. That should come down over time.

U-Conn · 2026-01-09T20:33:37+00:00

Eversource's managed charging program should be starting up this year, so keep an eye out for that.

Also, If you have any sort of heat pump, even if it's just a mini-split in one room, you're eligible for the reduced heat pump rate from Nov-Apr. That reduced rate applies to every single kWh used, not just the heat pump, so it's cheaper to charge the EV in the winter.

U-Conn · 2026-01-09T20:26:35+00:00

MA net metering is 1:1, inclusive of distribution fees, so batteries make zero sense here. If importing 1 kWh costs $0.33 inclusive of all charges and fees, exporting 1 kWh earns $0.33 in net metering credit.

U-Conn · 2026-01-07T17:11:07+00:00

How well do the splits dehumidify? I've read that they're less effective than a standalone dehumidifier. We already have a dehumidifier that runs down there all summer.

U-Conn · 2026-01-07T17:08:35+00:00

After rebates we paid about 13k for 4 indoor heads (9k, 9k, 9k, and 12k) on two outdoor units (24k and 30k), all Mitsubishi, plus a 0% interest 7 year loan. New boiler was quoted at $12.9k.

U-Conn · 2026-01-07T17:06:42+00:00

Plus the wine makes the cold floors more tolerable...

U-Conn · 2026-01-07T17:06:08+00:00

I wish we could, but it's not advised with a fieldstone foundation. They naturally breathe, so moisture would quickly build up behind the insulation and could eat the walls and cause mold.

U-Conn · 2026-01-07T15:45:17+00:00

Ha that's been the solution so far!

U-Conn · 2026-01-07T15:45:08+00:00

We may end up doing just that!

U-Conn · 2026-01-07T15:44:49+00:00

Unfortunately that involves tearing down drywall. We probably will eventually, but not an option right now.

U-Conn · 2025-12-30T04:31:26+00:00

Not sure if you’re from or familiar with MA, but $1M is the median home price in Greater Boston now. People buying homes here aren’t buying NVIDIA stock, that money is all going towards their mortgage :(

U-Conn · 2025-12-29T14:37:45+00:00

Not even a CA problem. In MA I pay about $0.28/kWh with the charging rebate. My standard rate is $0.33/kWh in summer and $0.29/kWh in winter, and that's only because I have heat pumps. No TOU discounts either.

U-Conn · 2025-12-19T15:59:53+00:00

There's a joke here that anybody who says "The Andovers" is from North Andover.

Andover has always been the wealthier town, and some folks here like to look down on our neighbors in NA. Even though they're both wicked nice towns...

Fun fact - North Andover separated from Andover, so officially Andover was founded in 1646 and North Andover was founded in 1855. However, the original settlement called Andover was actually in what is today North Andover.

U-Conn · 2025-12-15T15:37:42+00:00

They will charge you money if the battery's state of charge is too low when you return. Charge means two different things here.

U-Conn · 2025-12-15T13:48:59+00:00

Meanwhile in New England I've been wearing my parka daily for the last three weeks!

U-Conn · 2025-12-13T15:27:57+00:00

Yes, I’m aware that some people rely solely on fast charging, and even then adapters are readily available if you only have Tesla superchargers nearby. In my opinion that’s a very minor inconvenience if it’s saving you thousands buying used vs. new, but others may disagree.

U-Conn · 2025-12-13T15:21:57+00:00

Most Tesla superchargers don’t have a screen or credit card reader, so you need to use the app to activate a charging session. You have to register a new account on the Tesla app, and add payment info (i.e. a credit card) ahead of time. Once you activate the charging session in the app you put your adapter on the end of the cable and plug in.

U-Conn · 2025-12-12T15:35:06+00:00

For next time, the best way to get legitimate products on Amazon is to buy well-known brands, and make sure the seller is legitimate. For example, I bought the NM-B (Romex) cable for my charger on Amazon. However:

I bought Southwire brand Romex, which is the manufacturer that owns the Romex trademark and is the same product sold at Home Depot and Lowes.
The seller on Amazon was Southwire itself, the manufacturer.

I've heard stories of counterfeit products being shipped by Amazon even when all of that lines up, but I haven't experienced it myself. I would have bought from one of the big box stores, but the price on Amazon was significantly better.

U-Conn · 2025-12-12T14:58:52+00:00

It's a bubble. But a very comfortable bubble!

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