Tag Archives: power bank

Mega Mi Review: Mi Power Bank Pro, Mi Max, Mi Band 2 & Mi Scales

While I was in Hong Kong, I couldn’t resist the temptation to visit the “Mi Home” shop in Hollywood Center – basically Xiaomi’s version of an Apple Store, if I should be so bold as to put it that way. … Continue reading

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Review, Teardown: “Yongsan/Dragon Valley” TR-5000 5000mAh Slim Portable Charger

It’s been a while since my last power bank review, so I thought I might as well get one in. The difference is that there is a bit of a story behind this one – it’s probably not a power … Continue reading

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WONTFIX Teardowns: iFlashDeviceHD, Varta SMP-75W PSU, Powermonkey Discovery Power Bank

If there’s one thing I always need to do, that is to clean up and get rid of the rubbish. Almost constantly, broken things are taken apart and examined in my room, with some of them requiring only minor surgery … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 20 – Final)

It’s Boxing Day, and while a lot of people are outside partaking in the shopping frenzy of underwhelming discounts, I’m firmly sitting at home plodding away at some data analysis to deliver this last part of the power bank endurance … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 19)

This is one of those ongoing experiments which just seems to keep dragging on and on. Initially, I thought I’d torture a relatively unknown power bank by cycling it over and over on the test rig, expecting to see it … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 18)

This is one of my ongoing experiments to see how a rather no name power bank ages with charge/discharge cycles, and it’s been quite surprising all the way. This is the 18th installment, meaning that we have reached a total … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 17)

In this long ongoing experiment, I attempt to see just how a “no name” power bank stands up to repeated cycling. My expectations were fairly low at the outset, but it seems I’ve been proved completely wrong, as now I’m … Continue reading

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Review, Teardown: Askborg ChargeCube 20800mAh Powerbank (M021)

When it comes to power banks, while some users are content to have a moderate-sized unit that charges their phone a few times, there are other users who really demand as much capacity as practical. For those users looking for … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 16)

As far as experiments go, this is probably the longest and least exciting experiments of them all. It started years ago when I wanted to see just how long some randomly branded Chinese lithium-polymer cell based power bank would last, … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 15)

Welcome to the fifteenth installment of this relatively unexciting experiment to see how long a modestly sized “unknown-name” Chinese Li-Poly power bank would last under continual cycling. Those who have been following along will know just what this means – … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 14)

Almost two years ago, I started an experiment to see just how well a random no-name power bank would survive under repeated cycling, and to chart its “demise”. While I had some notion that it might have failed early due … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 13)

This is one of my longest running experiments – an experiment to see how well one particular power bank handles repetitive cycling, just to see how the lithium polymer cell and the electronics handle cycles. This is the 13th part … Continue reading

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Review, Teardown: Anker PowerCore+ 10050 (A1310) QC2.0 Power Bank

When it comes to discussing power banks and USB charging in general, it’s hard to overlook Anker branded products. The company was started by a group of friends working at Google, and has since put out a multitude of USB … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 12)

This is another quick update on my power-bank torture experiment that’s been ongoing since September 2014. Another 50 cycles have been accrued, for a total of 600 since the experiment began, or 615 cycles since the power bank was manufactured. … Continue reading

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Review: Three Cheap Unbranded 1×18650 “DIY” Power Banks

A common theme I hear from readers is “well, those cheap power banks are rubbish, so why don’t I build my own?” I suppose that is not a bad thought, although designing one properly takes a bit of skill and … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 11)

It’s been ages since I last posted about the fate of this power bank. When I last posted, we were up to 500 cycles in the experiment, and 516 in total from new, and the unit was doing very well. … Continue reading

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Examined: Li-Ion/Li-Poly-based Power Bank Charge Current Profiles

It’s been a long time since I posted anything about power banks. Believe me, I would have liked to bring you some more reviews, or updates on cycle life testing, but due to my PhD commandeering my dual-measure multimeter I … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 10)

Experiments never stop around here, and I’m pleased to present the tenth installment in this series of posts about the capacity degradation of a lithium-polymer based power bank as a function of charge-discharge cycle. This tenth part represents another increase … Continue reading

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Review, Teardown: Xiaomi (Mi) NDY-02-AL 16000mAh Power Bank

Xiaomi, or Mi for short, is a Chinese mobile phone manufacturer that have been known for delivering affordable, high quality products, with an aim to become the next “household brand”. Their product lines have diversified away from only phones and … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 9)

Posts have been getting a little thin from time to time because of the crazy amount of work I’ve got, and also the fact that I’ve spent the past week or so battling numerous illnesses. Anyway, today I’ve finally felt … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 8)

The endurance testing on the power bank has reached another milestone, this time reaching 400 cycles since the test began, adding 50 cycles from the previous report and now running for a total of around nine months. All in all, … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 7)

If you’ve been following along with the experiment from the beginning, then these words don’t really need to be here, as you can already guess that another 50 cycles have been added to the battery pack. But for those who … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 6)

The experiment continues, and we’ve hit another milestone with another 50 cycles added onto the counter. This is an ongoing experiment to see just how a lithium-polymer battery within a particular power bank degrades as a function of number of … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 5)

In this ongoing experiment which started back in late September here, I’ve been diligently putting a powerbank through controlled charge-discharge cycling while measuring the effective capacity based on a methodology I developed to measure the real capacity of power banks. … Continue reading

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Review, Teardown: Apotop Wi-Copy (DW21) 5200mAh Power Bank

Towards the end of 2014, I entered a competition held by Scorptec for a chance to win an Apotop Wi-Copy power bank. Guess what? I won! Thanks Scorptec! As a bit of a hobbyist photographer, backing up photos and keeping … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 4)

In this ongoing experiment which started back in late September here, I’ve been diligently putting a powerbank through controlled charge-discharge cycling while measuring the effective capacity based on a methodology I developed to measure the real capacity of power banks. … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 3)

This is a rather long-term experiment that started a while ago to try and graph the aging of a power bank’s Lithium Polymer cell. Up to the last part, a total of 100 cycles was run for the experiment, which … Continue reading

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Power Bank Endurance Test – Hillo Power Jin Gangxia (Part 2)

The endurance test for this power bank started back here, with the last update providing the data for the first 50 test runs (total of 66 cycles since new). Now, another 50 cycles have been completed, for a total of … Continue reading

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Review, Teardown: P.Power (or Generic Unbranded) 12000mAh Power Bank

Back in January 2013 (which seems a long time ago), before I started all of this powerbank testing, as someone who was none-the-wiser, I bought one of my friends a pair of “generic” unbranded power banks. The cost was about … Continue reading

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Review, Teardown: *Fake* Xiaomi (Mi) NDY-02-AD Silver 10400mAh Power Bank

It might seem that I’ve been singing the praises of Xiaomi/Mi power banks lately, and that’s because they’re very good products. However, the journey to obtain the product is often fraught with more difficulty than expected. In my case, when … Continue reading

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