Tag Archives: battery

Tested: “Compatible” Nikon EN-EL14 Batteries vs Genuine

Amongst the published articles on the site, it seems there is a fair amount of interest in the ones dealing with “compatible” and “fake” camera accessories, specifically Nikon EN-EL14 and EN-EL14a batteries. Having just recently returned from my first extended … Continue reading

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Review: Nitecore NL1835 3500mAh 18650 Protected Li-Ion Battery

If you have a collection of flashlights, the temptation to buy higher capacity protected rechargeable Li-Ion batteries is quite strong. At times, the bundled cells aren’t the most capacious and might not give enough run-time to satisfy all needs, so … Continue reading

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Great AA Alkaline Battery Test – Addendum: 25mA Constant Current Tests

For those following along, they’d probably realize by now that I have left the country and are officially on holiday in the slightly-warmer-than-average-for-this-time-of-year Hong Kong. I had originally planned to make this post before I left home, but things got … Continue reading

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Teardown: Swollen Xiaomi Redmi Note 2 BM45 Battery

While I was using my Xiaomi Redmi Note 2 the other day, I realized something strange was happening. It didn’t quite fit in its case as well as it used to, the screen felt a little like it was bowing, … Continue reading

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Great AA Alkaline Battery Test – Pt 4: Cell Physical Characteristics

After the rather interesting results in the previous section, I was curious as to who actually manufactured the cells for the lesser known brands, and whether that could be determined just by examining the physical characteristics of the cells. Given … Continue reading

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Great AA Alkaline Battery Test – Pt 3: The Results

If you’ve made it this far, congratulations, you’ve earned the right to read the results! If not, you could be doing yourself a big disservice and not understanding the true intricacies that underlie the subject of battery testing and the … Continue reading

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Great AA Alkaline Battery Test – Pt 2: The Contenders

Welcome to the second installment in the Great AA Alkaline Battery Test series, where the contenders for testing are presented. This post is one of the most image heavy posts I have ever delivered, so apologies if my webserver falls … Continue reading

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Great AA Alkaline Battery Test – Pt 1: Battery Testing Fundamentals

Regular readers would probably know that I have a love of batteries, and their associated test equipment. Maybe it was the fact that they were expensive, but pervasive, and my enjoyment as a child relied quite heavily on batteries to … Continue reading

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Review, Teardown: “Generic” BT-168 Battery Tester

A short while back, I posted about this generic battery tester, which was a cheap and nasty clone of a model which was quite popular, which I used frequently as a child. In my quest to buy it, I came … Continue reading

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Review, Teardown, Reverse Eng: Generic Battery Tester

As a kid growing up in the 90’s, one fond memory I had was sorting through piles of batteries to see which ones were good and which ones needed to be discarded or recharged. With many toys and appliances using … 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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Review, Teardown: Nitecore HC60 1000lm USB Rechargeable Headlamp

After I wrote my review of the Nitecore MH10, I decided to ask Nitecore (nicely) if they would like me to review their other products, as they had a reviewer’s section on their site. To my surprise, they were happy … Continue reading

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Review: Nitecore MH10 Cree XM-L2 1000lm USB Rechargeable Flashlight

A few weeks ago, I was looking around wondering what I should buy myself, since I haven’t had a new toy for a while now and I really wanted to treat myself. I wanted something that would come in handy, … Continue reading

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Repair, Teardown: Toyota Camry (2000) Remote Key Fob

Earlier last week, my father gave me a call about his central locking remote key fob for his Toyota Camry not working. As it was the remote he was using as the primary remote, the appropriate assumption would be that … 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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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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Fail, Teardown: LG G Pro Lite Dual (D686) BL-48TH Battery Swelling

Aside: Given that I’ve got a PhD thesis to hand in on Thursday this week, what the hell am I doing posting blogs? Well, as it turns out, in-between putting-out fires, I need to recharge and it seems that posting … Continue reading

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Review, Teardown: Telesin Yi Action Camera Compatible Batteries & Charger (YI-B&C-001)

One of the first accessories action camera owners usually purchase is a second battery of some description to give them a little more shooting time. I am no exception when it comes to this. Often the big issue comes down … Continue reading

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Experiment: LG D686 Battery Charging Investigation

Earlier, in my article about modifying a USB charger doctor as a USB current shunt, I elaborated on the possibility of microcycling occurring in the battery of my mobile phone due to the irregular current profile after the phone had … 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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Salvage: HTS541680J9SA00 80Gb HDD, Duracell AAA, Optus Cable Card & Alcatel-Lucent Home Cell

I’ve been occasionally accused of being a hoarder, which I suppose is true. The result of this is that I do end up collecting interesting tidbits, mostly broken things, which I can take apart and explore … or just admire … Continue reading

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Teardown: Genuine Asus A32-1015 Li-Ion Netbook Battery Pack

Normally my teardowns involve taking apart dead compatible replacement batteries, but this post is a little different. My latest netbook, an Asus eeePC R011CX seems to have developed a fault whereby the battery detection is intermittent. When charging from the … Continue reading

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Teardown: Good Looking Counterfeit Nikon EN-EL14a Battery

Despite having thought that I kissed my money goodbye, I still went back to eBay to lodge a case. Within 24 hours, without any word, I received a refund and the case was considered closed. As I did receive a … Continue reading

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Good Looking Counterfeit: Nikon EN-EL14a Battery

Something most digital photographers don’t leave home without is a spare battery. Nikon’s excellent entry-level DSLRs (e.g. D3200, D3300) use the EN-EL14 series of batteries, with the EN-EL14a being the higher capacity revision that can be interchanged in the older … Continue reading

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Mega-Teardown: An Assortment of Alkaline 9V Batteries

A while back, I had some fun pulling apart an old carbon-zinc style 9V cell, which is a pretty basic experiment I think everyone should at least try at some stage in their lives. This time, it’s time to teardown … Continue reading

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Genuinely Confused: Another Samsung Galaxy SIII Battery (EB-L1G6LLU)

Around a year ago, I needed a replacement battery for my Samsung Galaxy SIII, which started a long series of posts encountering fake batteries. This provoked some responses, and a lot of interest, given the quality of the fake cells. … Continue reading

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Teardown: Another Dead “Compatible” {Laptop, Camera} Battery

Battery life is always an issue with technological devices. At least, with many larger devices, you can still solve the issue with buying a spare battery to swap in and extend your runtime away from the powerpoint. But of course, … Continue reading

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Rand: SSD Dying (or not?), Ankle CT, iMac Temp Sensor Hack, Fake Batteries, More Opal, etc.

It’s been a while since the last random post, so here comes another, which is jam packed with carefully curated observations and events that have occurred since the last posting. Gough’s “almost” heart-attack Before anyone gets too scared, no, this … Continue reading

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Teardown: A 9V Carbon Zinc Battery

I suppose this particular post belongs to the “everyone should have done this at one point in their lives” bin, but strangely, they probably haven’t. Just the other day, one of my multimeters decided to let me know that it … Continue reading

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Teardown, Repair: Varta Power Play (Ready2Use) 15 Minute Charger (Type 57275)

There was once a time when most portable electronic devices used AA or AAA batteries. Many users would opt to use Carbon Zinc or Alkaline disposable cells with these products, which proved to be costly financially and environmentally. An alternative … Continue reading

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