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What is the best battery pack for cell phones
Hello and thank you for your request for the best battery pack for cell phones. The short version is that I have compiled a list of top ten battery packs in the attached spreadsheet. The most useful sources for answering your request were reviews from tech industry media sites and Amazon consumer reviews. See below for a deep dive of findings.
METHODOLOGY
To complete this request, I first searched for precompiled lists of reviews. I found several lists from tech industry and consumer sites that reviewed battery packs including, Top Ten Reviews, Consumer Search, Wirecutter, PCadvisor, and Digital Trends. All these sources contained recent reviews from 2017 or the latter half of 2016. The different sites determined what they considered to be 'best' according to many different criteria. I found that determining the best depends on which criteria are most important for the particular use. For example, speed of charging, capacity of the pack, cost, or size among many others. As there are so many criteria on which to determine 'best', I used the most commonly cited criteria in the reviews, capacity and price. Capacity is expressed as milliamp Hour (mAh) - the higher the capacity, the longer the battery will last. Approximate prices were taken from either Amazon or the review. Using these common criteria also enabled me to cross reference the lists to create a robust list of the best ten packs.
To cross reference the lists I compiled a larger list in sheet 2 of the attached spreadsheet from all the lists from the reviews mentioned above. From this list, I refined the top battery packs according to whether they were recommended on two or more of the precompiled lists and also if they had above 4 out of 5 stars for Amazon user reviews. This provided the top six battery packs (see sheet 1 in the spreadsheet). To determine the next four best packs I chose packs with the lowest price for the largest amount of capacity offered, and that also had Amazon user review ratings above four out of five stars.
You can view the final list of best ten in sheet 1 of the spreadsheet. In sheet two of the spreadsheet, you can see all of the 31 packs that were extracted from the precompiled lists and Amazon consumer reviews and used in the analysis.
Below I have also listed the final top ten, along with a link to more information about the battery pack.
FINDINGS
TOP TEN BATTERY PACKS FOR CELL PHONES
1. RAVPower Ace Series RP-PB052 has a capacity of 20,100 mAh and is priced around $35 - $40 with an Amazon user rating of 4.5 out of 5 stars.
2. Anker PowerCore has a capacity of 10000 mAh and is priced around $23.99 with an Amazon user rating of 5 out of 5 stars.
3. Zendure A2 Portable Charger has a capacity of 6,700 mAh and is priced around $30.00 with an Amazon user rating of 4.5 out of 5 stars.
4. RAVPower RP-PB19 has a capacity of 16,700 mAh and is priced around $30.00 with an Amazon user rating of 4.6 out of 5 stars.
5. Flux Portable Charger has a capacity of 4,000 mAh and is priced around $30 with an Amazon user rating of 4.2 out of 5 stars.
6. Anker PowerCore 20000 has a capacity of 20,000 mAh and is priced around $45.00 with an Amazon user rating of 4.7 out of 5 stars.
7. RAVPower RP-PB07 Element has a capacity of 10,400 mAh and is priced around $18 with an Amazon user rating of 4.5 out of 5 stars.
8. EasyAcc Metal Power Bank has a capacity of 6,400 mAh and is priced around $15-$16 with an Amazon user rating of 4.4 out of 5 stars.
9. Poweradd Pilot 2GS Portable Charger has a capacity of 10,000 mAh and is priced around $16 with an Amazon user rating of 4.3 out of 5 stars.
10. Jackery Giant+ has a capacity of 12,000 mAh and is priced around $22.99 with an Amazon user rating of 4.6 out of 5 stars.
If one pack had to be chosen as the best overall pack, the RAVPower Ace Series RP-PB052 would come out on top based on the positive user reviews and the fact that it made it into four independent lists for the best battery packs from different tech industry websites. It received more positive reviews from professionals and users than any other battery pack. It has three charging ports and also uses smart charging to deliver the right amount of power to devices.
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SUMMARY
To wrap it up, I have provided a list of ten of the best battery packs for cell phones. I created the list by cross checking several precompiled lists from the tech industry and Amazon user reviews. I compiled the list in the attached spreadsheet where you can also see a larger list of battery packs that were used in the analysis to come up with the best packs.
Thank you for asking Wonder! Let us know if we can help with anything else!