What type of cable is required to charge the Anker 737 power bank?
What type of cable is required to charge the Anker 737 power bank?
Thanks for your message. I aim to avoid using the incorrect cable on the anker 737. If I connect the 20W Apple USB-C charger to the provided Anker USB-C cable, should I link it to the other end of the charger and then plug it into a power outlet? Regarding the 5W wall charger, it seems to be USB-A rather than USB-C, so it might not work with the Anker. The Dell XPS 15 9520 has a USB-C charger, but using it to charge the Anker wouldn't require the Anker cable at all. You mentioned you're unsure about the safety of using the existing cables—do you want clarification on whether those are compatible? I'm trying to understand which adapter is best right now.
Yes, it's safe. Using the Dell XPS 15 9520 USB-C charger means you won't need the Anker cable provided for this specific charger. Since the Dell charger already includes a USB-C port, you can connect the Anker cable directly to charge your XPS laptop.
The charger is indicating about 18 watts, which should take roughly over four hours to reach full charge. That matches the expected timeframe.
Thanks for your reply. I'm trying to avoid using the incorrect cable for the anker 737 to prevent any damage. You're welcome. If I connect my iPhone 13 mini to the provided Anker USB-C cable, will that work with the 20W Apple USB-C charger? Yes. Regarding the 5W wall charger I own, it seems to be connected via USB-A rather than USB-C, so it shouldn't work with the USB-C charger. You can still use it, but it won't charge properly. For the Dell XPS 15 9520 laptop, which includes a USB-C charger, using it to charge the Anker 737 would mean you wouldn't need the Anker cable at all. However, I'm unsure if the Dell charger is safe for this purpose. It doesn't appear to have a removable USB-C cable, and it supports up to 140W. This makes me confused about whether it's compatible with the Anker 737. If I use the 140W cable with both the Anker 737 and the 20W Apple charger, would that limit the charging speed? Yes, it would. Based on this, it seems safe to use the USB-C adapter you already have. You don't need an Anker charger if you're okay using a standard brand. Just ensure the cables you have meet the voltage and current requirements. Following the guidelines about USB standards will help avoid issues.
Essentially, it's not that hard. People usually don't discuss this topic because it seems so straightforward. You can charge it in various ways, but how often do you actually use it? Just plug it in whenever you need and enjoy. It's a big battery, so it takes time to drain. When you're home and not using it much, just connect it. When you're ready, bring it along. Don't get too caught up—just follow the basics. If this still doesn't make sense, consider returning it.
You haven’t shared enough details to determine a reliable estimate. Here’s a quick guide on how charging works:
Watts equals Volts multiplied by Amps. This is the core formula you’ll always use.
Your battery size is 24,000 mAh or 24 Ah. To figure out how much remains, you need to know the current percentage left. Charging losses mean not all input powers the battery—some turns into heat or sound. I’ll skip the exact numbers for now because precision isn’t necessary here.
The MCU’s power use is about 0.36W when fully on, and it draws 15% of the battery’s capacity in roughly 24 hours. That suggests you should turn off the screen when not needed to save energy.
For a rough idea:
- Assume your bank uses 4.2V at 20% charge.
- At 20% charge, you’d need about 80 Wh to recharge it fully.
- With a charger drawing 20W, it would take roughly 4 hours to restore that amount.
Keep in mind these are estimates. Labeling units helps spot mistakes and confirms your calculations.
Heat can harm lithium-ion batteries—keep them below 38°C for best results. Avoid leaving them in hot cars or storing them fully charged. Charge to around 40-50% to protect longevity.
I followed these steps. I connected the 20W Apple USB-C charger to the iPhone 13 mini using the Anker 737 and the USB-C cable. The charger had less than 20% charge left, so it took more than four hours to reach full capacity. It seemed logical that the charging power was around 18 watts, which matches the 20W rating of the Apple USB-C port. Later, I tried charging the iPhone 13 mini with 90% battery using the same setup. The Anker USB-C cable didn’t fit the iPhone’s charging port, so I used the iPhone’s charging cable instead. It displayed only 2 to 3 watts and took a longer time. Charging to 100% was still normal, but it seemed slower once the battery reached 90% and even more so at 95%.
I tried using the 20W Apple USB-C charger with my iPhone 13 mini via the Anker 737, but it took a long time—hours—to fully charge. The Dell XPS 15 9520 charging cable has a USB-C port on one end and isn’t removable. You can’t take it off? That’s what you’re asking about. Yes, the USB-C connector on that cable is fixed. I didn’t use the charger for the Anker because I wasn’t sure it would work properly, so I opted for the Apple charger instead. It took more than four hours to charge from less than 20% to full.
I understand your detailed explanation. This indicates the charging duration for the Anker 737 using the 20W Apple USB-C charger. It’s understandable if it takes at least five hours when the battery is at zero percent. During the process, I didn’t notice it exceeding 71°F with that charger. When linking the Anker power bank to an XPS laptop, the charging appears weak. Please verify the power adapter. I’ve had similar feedback with the Dell PW7018L powerbank before. This seems typical? The Dell XPS 9520 battery usually reaches about 85%. I let it sit unplugged for a while to bring the battery up to around 85%. The Anker 737 typically holds about 98%. After roughly 35 minutes, the battery nears 100%. Meanwhile, the Anker’s capacity drops to around 70%. What stood out was the initial connection showing nearly 60 watts, then dropping to about 40 watts on average. As the laptop battery climbed toward 90%, power draw fell below 20 watts. This pattern is normal? Would connecting the Anker during the early stages when the laptop battery is low result in sustained high power output—around 60 watts or more—until the battery reaches at least 80%? Throughout the session, total input was about 69 watt-hours, and output stayed under 30, now showing around 31 watt-hours. These figures seem consistent. Also, temperatures stayed within a safe range, maxing out at about 80°F.
I value your thorough explanation. This indicates the charging duration you're experiencing. It seems reasonable given the 20W input. I understand it would take at least five hours if the battery starts at zero. During charging, temperatures stayed below 71°F with the 20W adapter. Using a higher wattage device would extend the time significantly. Generally, slower charging produces less heat, which is preferable for battery health. When linking the Anker 737 power bank to an XPS laptop, the charging indicator appears weak. Verify the power adapter is functioning correctly. This situation is similar to what I encountered with the Dell PW7018L power bank previously. It’s normal under certain conditions. According to the Anker guide, it can deliver up to 140 watts. Have you used the appropriate cable? If yes, what output does the power bank display when connected to the laptop? My assumption is that Dell likely caps it at 60 watts since it isn’t a Dell-specific charger. The Dell XPS 9520 battery typically holds around 85%. I left the laptop unplugged until the battery reached about 85%, while the Anker 737 maintained roughly 98%. I’m unsure what these figures imply. After roughly 35 minutes, the battery neared full charge—around 70% for the Dell unit. The Anker showed about 60 watts initially, dropping to around 40 watts as the battery climbed. Once the Dell reached 90%, power draw fell below 20 watts. This pattern seems typical. If you connected the Anker at a 20% charge level, it would likely sustain around 60 watts for an extended period until the battery hit over 80%. This aligns with my understanding that Dell restricts non-Dell chargers to 60 watts. Charging power varies throughout the process; total input reached approximately 69 watt-hours, while output stayed under 30, eventually dropping to about 31 watt-hours. The temperatures never exceeded around 80°F. I’m not sure what these numbers mean, but they appear consistent with normal behavior. If you’re confirming whether it works as expected, please identify the post that clarified this issue.