For your situation, i realy think a dedicated charger is worth it. the ISDT NP2 Air Dual Channel Camera Battery Charger is a lifesaver cuz you can charge two batteries while youre sleeping. i also love the LensPen NLP-1 for quick cleaning since its way smaller than a blower and fits in any pocket. honestly, just grab some MagicFiber Microfiber Cleaning Cloths too. dont worry about overpacking, youll have a fantastic time!! what lenses are you taking??

yo, I actually went through this exact stress last year before my first big solo shoot in Kyoto. I was so worried about dust on my sensor or running out of juice while trekking through Fushimi Inari. Honestly, I think I spent way too much on gear I didnt need at first, but a few things actually saved my life. Here are the three things I found absolutely non-negotiable for my kit:

• First, dont just rely on the camera port. I picked up the Nitecore USN4 Pro Dual Slot USB-C QC Charger for Sony NP-FZ100 Batteries for around $30. It is super slim and lets me charge two batteries at once from a power bank in my bag while I am walking. If that internal camera port gets finicky or stops working, you are highkey screwed.
• Second, for cleaning, I basically live by the Giottos Rocket Air Bladder Small AA1910. It is small enough to fit in a side pocket. But, for Japan specifically, I also packed VSGO Camera Sensor Cleaning Swabs DDR-24 because the humidity and wind can make dust stick like crazy to the Sony Alpha 7 IV sensor.
• Third, the Peak Design Capture Clip V3 is a total game changer for weight distribution. I combined it with a Peak Design Slide Lite Camera Strap SLL-BK-3 so I could swap between clipping it to my bag and wearing it depending on how crowded the area was. Lesson learned? Always have a dedicated charging solution and a way to clean your sensor on the fly. I had a scare where my USB cable felt loose, and having that external charger kept me from panicking. Anyway, hope that helps. Have a blast in Japan!!

Saw this earlier but just now responding. In my experience traveling through Asia, I actually disagree with the push for more gadgets like dual chargers. I've tried many setups over the years and honestly, they just add weight. I prefer a DIY approach to power where I just carry a high-capacity portable charger from Anker and a long USB-C cable. I charge the battery inside the camera while it sits in my sling bag between locations. It works like a charm and saves you from carrying extra plastic bricks. I'd also skip the VND filters. They're bulky and usually hurt your image quality more than they help. Just go with some simple fixed filters from Tiffen if you really need them, but you can usually get away with just adjusting your settings on the fly. For cleaning, you don't need anything fancy. Any simple blower from K&F Concept will fit in a pocket and do the trick. Just keep it simple... you're gonna have a blast in Japan and you'll realize halfway through that you probably didn't need half the stuff you packed anyway.

Hey so basically when I first hauled my A7IV around Osaka I highkey regretted not having a better power plan because I thought I could just charge via the body at night but it was such a bottleneck... honestly the technical specs on some budget gear are just as good as the pro stuff if you know what to look for. Based on some market research I did after that trip here is what I recommend for staying light without breaking the bank.

• Nitecore USN4 Pro Dual Slot USB-C QC Charger
• This runs about 30 dollars and it is way better than the Sony OEM one because it has a high-speed Quick Charge 2.0 input. It gives you a real-time LCD readout of the battery health and voltage which is super satisfying for technical users... plus you can power it from a power bank while you are walking between shrines.
• K&F Concept 67mm Nano-X Variable ND Filter ND2-ND32
• Instead of dropping 150 on a PolarPro you can grab this for around 55 dollars. I have tested the optical density and it holds up really well with minimal color shift... it is essential for Japan because the light can get really harsh in those open city squares and you will want to keep your shutter speed down for video.
• VSGO Mini Portable Air Blower
• This thing is tiny and costs like 12 bucks. It is way smaller than the standard rocket blowers and fits in the tiny elastic pockets of a sling bag... I use it every time I swap lenses near the subways where it is surprisingly dusty. Lesson I learned is that you dont always need the name brand accessories to get pro results... just focus on the input/output specs and build quality and you will be fine. Japan is amazing so dont spend the whole time worrying about your gear!! gl and have a blast eating all that ramen lol peace

Be careful about relying purely on in-camera charging for ur trip. I've seen way too many people stress out cuz their only USB-C port got finicky or they needed to charge one battery while shooting with another. It's a huge risk for a big international trip when u dont have a backup plan and u're miles away from a shop. So, after years of traveling with Sony gear, here is how I'd handle it:

• Definitely grab a small dual USB-C charger. It's way more convenient to leave batteries at the hotel charging while ur out for dinner.
• A small air blower is non-negotiable. Even a tiny one helps with those annoying sensor spots when ur swapping lenses near the busy streets.
• That clip u mentioned is actually great, but make sure ur backpack strap is thick enough or it gets painful fast. Honestly, keep it simple. If u have those three plus a good cleaning cloth, ur basically set. Japan is amazing but u'll be walking like 20k steps a day, so every gram counts!! good luck

Works great for me