#12v macbook pro magsafe 2 charger generator#
Since the RV's generator is charging both the coach bank and house bank while the under way, I can easily fast-charge the laptop without running down the batteries. This has over-volt protection and is suitably wired and fused. I plug Apple's 140W charger (that came with the MBP16 M1) into the inverter, using a typical 12-V power outlet (similar to a cigarette lighter). (Never use a non-Pure Sine inverter for this and also make sure that the one you use is of good quality!) But since all inverters waste some power in the process of conversion from 120v to 12v, I prefer to use a 300W for better efficiency. Note that I have a permanently installed 2000W Pure Sine Inverter. When the laptop is in need of a good charge, I simply use a quality 300W Pure Sine Inverter. While traveling in my RV during the off-season, the same is true, as I'm typically "boon-docking" somewhere. While cruising in my boat, I never stay at marinas, but always anchor out. It's seldom, however, that either of these conditions occur for myself.
If I'm at a dock aboard my sailboat or in my RV at an RV park, I simply use the 120v hookups and simply charge with Apple's 140W MBP16 M1 "MagSafe" charger. As it turns out, my suggestion that: " I suppose I could use the inverter for fast charging and simply a USB-C port (with a 12v USB-C adapter) for maintaining a charge" was indeed correct. SoI thought I'd post a followup to that post to share my own findings. I'm confident that others might have a similar need for a correct answer. I suppose I could use the inverter for fast charging and simply a USB-C port (with a 12v USB-C adapter) for maintaining a charge. I have such an adapter for my previous MacBooks with MagSafe 2, but not for the newest MagSafe on the 2021 MBP16 M1. But a direct 12v connection to a MagSafe is much more efficient and greatly preferred. I can, of course use my 1500w pure sine inverter and the Apple MagSafe charge that comes with computer. It's easy enough to find a place to find a 120v connection to charge my MBP16 M1 while in the RV, but it's a little less convenient to do so while in the totally 12v system of my boat. I spend half of the year traveling in my RV and the other half sailing the "Out Islands" of the Bahamas.
(This used to be such a great resource!)Ĭar charging (12V) a MacBook Pro 16" M1 - Apple CommunityĪnd the original inquiry was as follows. Surprisingly, one was from an "expert" with a rating of " Level 10" and 112,351 points at the time. Or, maybe they were both too eager to rack up "points" for responding that they just threw a trash answer on the board, regardless of the quality (or lack thereof). Perhaps it was too much trouble to read the request. Both were incredibly condescending and totally inaccurate.
In the following 3 months, I received two responses. About 3 months ago (Dec 26, 2021), I posted a request for input regarding possible options for safely charging my MacBook Pro 16 M1, while sailing in the Bahamas and/or while traveling in my RV during the off-season (hurricane season).
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