Anker PowerCore Solar 20000, 18W USB-C Power Bank 20,000 mAh with Dual Ports, Flashlight, IP65 Splash Proof and Dustproof for Outdoor Activities, Compatible with Smartphones and Other Devices

Product Information

Solar charging is subject to sunlight intensity and panel conversion rate, so it may take several days to recharge PowerCore. We recommend recharging PowerCore to 100% before traveling.

PowerCore Solar 20000 User Manual - Anker A1650 PowerCore Solar 20000 User Manual - Anker

Due to recharging inefficiencies, all the PBCs consumed more energy than the manufacturer specified. They also delivered less than specified energy due to power conversion losses. You can use the USB-C PD port to recharge your power bank, and so you can recharge at the same speed, this is the best part of Power Delivery power banks. 2. Recharge with 30W Power Delivery wall charger

USB-A was not designed for high-powered recharging, and these lightweight PBCs usually supplied around 13 W. Table 19: USB-C Power – Anker PowerCore Solar 20000 and Nitecore NB20000 name There is no need to sleep with these PBCs in above-freezing temperatures: Chart comparing energy wasted by four days of storage in a refrigerator. Lower numbers are better. On the NB20000 I tested, the USB-C input-only port was dead, which didn’t seem to affect any test results. It’s hard to say if Nitecore has consistent quality problems based on a sample size of only two units. Selection advice So now you can be tension-free regarding the fast charge and a powerful, portable power bank. You have the luxury of using your smartphones with no worries about the charge, and use your gadgets without any interruptions. Three PBCs tested a specified 18 W of USB-C output and delivered a little more. The Nitecore NB20000 goes to 45, but can your devices consume that much power? Chart comparing USB-C power delivered in watts. Higher numbers are better. Evaluating recharge time of PBCs

Anker Power Bank, USB-C Portable Charger 20000mAh with 20W

Compatible with iPhone 12 series, iPad mini 5, Android smartphones and tablets (including the Nexus 7), and other USB devices. Charge your PowerCore Speed 20000 PD with a regular wall charger. You might need a long time to charge it. So we recommend using a MacBook 29W adapter, MacBook Pro 61W, or 87W adapters. Anker also says that you can recharge the PowerCore 20000 in 4 hours with the provided charger. Conclusion Similarly, using these portable battery chargers to recharge other devices during cold temperatures should waste very little energy. Simply follow the temperature recommendations of the PBC and device manufacturers: Chart comparing the delivered energy wasted in a refrigerator. Lower numbers are better. Evaluating USB-A and USB-C power of PBCs Table 17: USB-C Power – Anker PowerCore 10000 PD Redux and Nitecore NB10000 name The biggest thing about the power bank is has two output ports. There is a USB-C PD port, which is the focus point of this Power bank. Another port is USB-A, which provides standard charging. The charging range of the USB-C PD port on this power bank is 30W. The luxury of charging with this power bank is that it has more than the regular charging speed for Power Delivery charging. Other power banks have an 18W PD charging rate while it has a charging rate of 30W. On the other hand, using PBC low power mode overnight wasted barely any energy: Chart comparing energy wasted by overnight recharging of earbuds using low power mode. Lower numbers are better. Evaluating cold performance of PBCs Table 13: Cold Storage Performance – Anker PowerCore 10000 PD Redux and Nitecore NB10000 name

What is the cost of a power bank?

What You Get: Anker 325 Power Bank (PowerCore 20K) / PowerCore Essential 20000, Micro USB cable, welcome guide, our worry-free 18-month warranty, and friendly customer service. (USB-C cable, Lightning cable, and wall charger not included) I measured 1.8 Wh of energy added to the battery in two hours of winter noon direct sunlight. During June, it might charge twice as fast (but only with clear skies and no shade, and while always pointed in the optimal direction). Even under optimal summer conditions, it would take more than a week for an empty Anker PowerCore Solar 20000 to recharge fully. Chart comparing measured Anker PowerCore Solar 20000 recharge watts for an AC charger, measured December solar power, and expected June solar power. Higher numbers are better. Recommendations Far better is to get a huge solar panel and just a regular 20000 - actually the 26800 with dual input is a good match, or to give up on solar and just carry more Powercore instead.