Like someone mentioned, PPS is the secret sauce you need for that Flip. Tbh, all those acronyms like PD and PPS are just fancy ways of saying the charger and phone talk to each other to find the fastest speed without melting anything. PPS is specifically what Samsung uses for Super Fast Charging. If you get a brick without it, youre gonna be stuck at like 15W which feels like an eternity. Ive tried a lot of chargers over the years and Anker 313 Charger Ace 45W is easily the best bang for your buck. Its super compact and supports that PPS tech perfectly. You can usually find it at Target for way less than your $40 budget. That leaves you room for a decent cable too, like the Anker 543 USB-C to USB-C Cable 6ft. Anker has never let me down and they're way better than the sketchy gas station stuff... stay away from those if you want your battery to last.

Honestly, stick with the official stuff if youre nervous about safety. You specifically need a charger that supports PPS to get the actual fast speeds. I use the Samsung 25W USB-C Wall Charger and it works perfectly for the Flip series. It stays cool and wont mess with the battery health long term. Definitely skip those cheap gas station bricks, theyre total junk.

I have been swapping chargers for different phones for years and the main thing to know is that heat is the enemy of foldables. Seriously, dont buy that gas station stuff unless you want a spicy pillow battery in six months. Since you are on a budget, I suggest the UGREEN Nexode 30W GaN USB C Charger. It uses gallium nitride tech which basically means it stays way cooler than older bricks while pushing max speed. I have used Ugreen for a long time and they are super reliable. Another great choice is the Spigen ArcStation Pro 27W GaN Wall Charger if you want something really tiny. Both support the PPS standard Samsung requires to hit Super Fast Charging speeds. You will still have money left over for lunch too... these ones are definitely safe for that Flip 7.

I am dealing with the exact same headache right now and it is honestly so frustrating. I tried a high-end unit last week but the results were a total disaster.

• The voltage negotiation was all over the place
• My phone got way too hot near the hinge area
• The charging time kept fluctuating constantly Unfortunately, it seems like even the fancy options just arent reliable. Its been a mess for me too.

Coming back to this because i am in the exact same boat with my new Flip and it is honestly stressing me out. I spent way too much time looking at the ripple noise and thermal efficiency data for a bunch of different brands and now i am just paralyzed by all the conflicting reviews. Its such a gamble because the heat dissipation on these foldables is so finicky... Reminds me of when my cousin tried to compare a bunch of bricks for her last phone:

• the one from the fruit brand wouldnt negotiate the right voltage levels for fast charging
• the generic store-brand one started smelling like hot plastic after ten minutes
• her fancy one from a premium brand kept dropping the connection every time she moved the cable She spent weeks mailing stuff back and forth and still didnt have a solid setup. I am super worried about picking something that claims it has the right pps profile but actually runs way too hot for the hinge area... it is just a massive headache trying to get this right.

To add to the point above: honestly its just disappointing that we have to do all this research after dropping a grand on a phone. I used to be the guy who would buy any brick that looked decent, but I had a real nightmare scenario with a generic GaN charger that actually scorched the port on my old device. Now I dont trust anything that isnt strictly certified. I ended up going with the Belkin BoostCharge 30W USB-C Wall Charger with PPS and while it isnt the flashiest thing, it works consistently without the heat issues. If youre looking for something reliable at a store like Target, that is usually a safe bet. Its really annoying that the charging tech has gotten so complicated for regular users. Quick tip: dont leave your phone charging on a soft surface like a bed or couch. It traps the heat right under the hinge where the battery is most vulnerable.