With the introduction of the iPhone 8 and now the iPhone XS/Max and soon to be delivered XR, with their much faster processors and vivid high-resolution displays and always-on connectivity, demands on battery performance are now higher than ever before.
As a recent owner of one of these devices, you may have noticed that while you are on the road, you’re running out of juice quickly. So you’re probably going to need to invest in a portable battery and a faster wall charger.
Also: Here’s how much it costs to charge a smartphone for a year
But not all portable batteries are the same, despite the fact that they might use similar Lithium Polymer (LiPo) and Lithium Ion (Lion) cells for capacity and look very much alike.
Modern smartphone hardware from Apple and various Android manufacturers support much faster charging rates than what was previously supported.
But if you use the charger that comes in the box with the current generation iPhone hardware, or if you just simply buy just any portable battery pack on the market, you’re going to be disappointed.
Ideally, you want to match your charger, battery and even the charging cable to the optimal charging speeds that your device supports.
There are three different high-speed USB charging standards currently on the market, and while all of them will work with your device using a common legacy charge mode, you will ideally want to match up the correct technology in order to optimize the speed in which you can top off your phone, tablet, or even your laptop.
Let’s start by explaining the differences between them.
Legacy USB-A 2.0 and 3.0 charging
If your Android device has the USB Micro B connector (the dreaded fragile trapezoid that’s impossible to connect in the dark) you can fast charge it using an inexpensive USB-A to USB Micro B cable.
If the device and the charge port both support the USB 2.0 standard (pretty much the least common denominator these days for entry-level Android smartphones) you can charge it at 1.5A/5V.
Also: How I learned to stop worrying and love USB Type-C
Some consumer electronics, such as higher-end vape batteries that use the Evolv DNA chipset can charge at 2A.
A USB 3.0/3.1 charge port on one of these batteries can supply 3.0A/5V if the device supports it.
If you are charging an accessory, such as an inexpensive pair of wireless earbuds or another Bluetooth device, and it doesn’t support either of the USB-A fast charging specs, it will slow charge at either 500mA or 900mA which is about the same you can expect from directly connecting it to most PCs.
|USB PD||Variable up to 20V||5A||USB-C|
|USB Type-C 3A||5V||3.0A||USB-C|
|USB Type-C 1.5A||5V||1.5A||USB-C|
|QC 4.0 (USB-PD Compatible)||Variable up to 20V||4.6A||USB-C|
|QC 3.0||Variable up to 20V||4.6A||USB-A/USB-C|
|QC 2.0||5V, 9V, 12V, 20V||2A||USB-A|
|USB BC 1.2||5V||1.5A||USB-A|
Many of the portable batteries on the market have both USB-C and multiple USB-A ports. Some of them have USB-A ports which can deliver the same voltage, while others feature one fast (2.4A) and one slow (1A).
So you will want to make sure you plug the device into the battery port which can charge it at the fastest rate if you want to top off the device as quickly as possible.
USB Power Delivery
USB Power Delivery (USB PD) is a relatively new fast charge standard which was introduced by the USB Implementers Forum, the creators of the USB standard.
It is an industry-standard open specification that provides high-speed charging with variable voltage up to 20V using intelligent device negotiation up to 5A at 100W.
It scales all the way up from smartphones to notebook computers provided they use a USB-C connector and a USB-C power controller on the client and host.
Batteries and wall chargers which employ USB PD have the ability to charge devices up to 100W output using a USB-C connector — however, most output at 30W because that is on the upper range of what most smartphones and tablets can handle, whereas laptops require adapters and batteries that can output at a higher wattage.
Apple introduced USB PD charging with iOS devices with the launch of the 2015 iPad Pro 12.9″ and with OS X laptops in the MacBook Pro as of 2016. The iPhone 8, the iPhone X and XS/Max can rapid charge with USB PD using any USB PD charging accessory — you don’t have to use Apple’s OEM USB-C 29W or its 61W power adapters — but it requires that you use Apple’s OEM MKQ42AM/A (1m ) or MD818ZM/A (2m) USB-C to Lightning cables which unfortunately are a tad expensive at around $19-$35 from various online retailers.
Personally, I buy mine from Amazon but your mileage may vary.
There are cheaper 3rd-party USB-C to Lightning cables, but none of the ones we have tested on the market will charge current generation iOS devices at full speed — they can’t do better than 2.4A because Apple uses a special integrated circuit in their cables for power negotiation.
We are expecting to see 3rd-party MFI-certified USB-C to Lightning cables — hopefully less expensive than Apple’s OEM cable — by the end of Q4 of 2018, so watch this space.
We would also like to mention Belkin because although they do not have a USB PD battery solution or MFI-certified USB-C cables yet, they do have some excellent USB PD wall charging and 12V car charger solutions which are much more cost-competitive than the OEM Apple 29W USB-C charger.
Qualcomm Quick Charge
Qualcomm, whose Snapdragon SoCs are used in a number of popular smartphones and tablets, has its own fast-charging standard, Quick Charge, which has been through multiple iterations.
The current implementation is Quick Charge 4.0 which is backward-compatible with older Quick Charge accessories and devices. Unlike USB PD, Quick Charge 2.0 and 3.0 can be delivered using the USB-A connector. Quick Charge 4.0 is exclusive to USB-C.
Quick Charge 4.0 is only present in phones which use the Qualcomm Snapdragon 835/845 which can be found in the US version of the Samsung Galaxy S9 and Galaxy Note 9, OnePlus 6, HTC U11, LG V30, Moto Z2 Force, the Google Pixel 2 XL and upcoming Pixel 3 XL.
The Xiaomi Mi 6, Xiaomi Mix 2, ZTE Nubia Z17, and the Sony Xperia XZ Premium also use QC 4.0, but they aren’t sold in the US market currently. Huawei’s phones utilize their own Kirin 970/980 chips which use their own Supercharge standard but they are backward compatible with the 18W USB PD standard.
Like USB PD, QC 3.0 and QC 4.0 are variable voltage technologies and will intelligently ramp up your device for optimal charging speeds and safety. However, Quick Charge 3.0 and 4.0 differ from USB PD in that it has some additional features for thermal management and voltage stepping with the Snapdragon 820/821/835/845 in order to optimize for reduced heat footprint while charging.
Also: The 6 best portable battery chargers for smartphones and tablets TechRepublic
It also uses a different variable voltage selection and negotiation protocol than USB PD which Qualcomm advertises as better/safer for its own SoCs.
And for devices which use Qualcomm’s current chipsets, Quick Charge 4.0 is about 25 percent faster than Quick Charge 3.0. The company advertises five hours of usage time on the device for five minutes of charge time.
However, while it is present in (some of ) the wall chargers that ship with the devices themselves, and a few 3rd-party solutions, Quick Charge 4 is not in any battery products yet. The reason for this is that it is not just competing with USB Power Delivery, is also compatible with USB Power Delivery.
Qualcomm’s technology and ICs have to be licensed at considerable additional expense to the OEMs, whereas USB PD is an open standard.
If you compound this with the fact that Google itself is recommending OEMs conform to USB-PD over Quick Charge for Android-based products, it sounds like USB PD is the way to go, right?
Well, sort of. If you have a Quick Charge 3.0 device, definitely get a Quick Charge 3.0 battery. But if you have a Quick Charge 4.0 device or an iOS device, get at USB PD battery, for now.
Now that you understand the fundamental charging technologies, which battery to buy?
|Port 1||Port 2||Port 3||Port 4||MSRP|
|RavPower||RP-PB058||USB PD||26800||USB-A||USB-A||USB-C (30W)||USB-Micro-B (Input)||$79.99|
|Anker||PowerCore+ 26800 PD*||USB PD||26800||USB-A||USB-A||USB-C (30W)||*||$119.99|
|RavPower||RP-PB043||QC 3.0||20100||USB-A||USB-A (QC 3.0)||USB-C (18W)||USB-Micro-B (Input)||$49.99|
|RavPower||RP-PB059||USB PD||20100||USB-A||USB-A||USB-C (30W)||USB-Micro-B (Input)||$69.99|
|Anker||PowerCore Speed 20000 PD*||USB PD||20100||USB-A||USB-C (30W)||*||*||$99.00|
|Anker||PowerCore II 20000||QC 3.0||20000||USB-A (18W)||USB-A (18W)||*||*||$49.99|
|Mophie||Powerstation USB-C XXL||USB PD||19500||USB-A||USB-C (30W)||*||*||$149.95|
|Mophie||Powerstation Plus XL||USB PD||12000||USB-A (15W)||USB-C (18W)||*||*||$99|
* Two Anker models — PowerCore+ 26800 PD and PowerCore Speed 20000 PD — are the only two models to include a wall charger.
We’ve tested a bunch of these and we’ve essentially narrowed it down to two: The RAVPower RP-PB058 for USB PD (newest iPhones and newest Androids) and the Anker PowerCore+ 26800 for Quick Charge 3.0 (Previous generation Androids). Both are 26800mAh batteries with huge charge capacity.
Also: Mophie 30-day wireless challenge: Staying powered up without a cable connection
Anker’s product is more expensive but it comes with a USB-C QC 3.0 wall charger that can be used with the battery or direct charge a QC 3.0 compatible device, whereas the RAVPower we have seen on the street as low as $60 with wide market availability and with Amazon Prime promotions, so be sure to shop around because that is a great value at that price.
Anker also has a USB PD version of the PowerCore+ 26800 bundle but it is not as easy to find. We suspect the company is working on a new product revision compatible with USB PD and QC 4.0 and it will be out after the holidays — but if you see the current model on sale, jump on it. We particularly like the metal case design and the large illuminated power stud button that is easy to feel even in the dark.
Both of these companies sell equivalent USB PD and QC 3.0 products including compatible wall chargers (see Anker and RavPower). As with Apple’s own OEM accessories, it isn’t necessary to match brands when pairing a wall charger with a USB PD or QC 3.0 battery.
However, because of licensing, the QC 3.0 ones appear to be priced more expensively — so unless you have a QC 3.0 compatible device, we suggest you stay with USB PD charging accessories for now.
A product that we did not mention in earlier drafts of this article is the ZMI 20000 mAh USB PD Backup Battery which along with its USB PD wall charger is currently on promotion at Amazon.
If you buy both of these products together, Amazon will apply a promotional discount, which makes the combined price $89.90 which is less than what Anker and RavPower offer their equivalent battery/charger bundles for.
Also: Mophie Powerstation Plus XL and XXL portable batteries: One Lightning cable to rule them all
This particular product has the distinction of having both USB PD and QC 3.0 capabilities, has a 45W USB PD output for charging everything up to laptops, and can also act as a daisy-chained USB 2.0 hub, so it is a particularly good buy. ZMI makes OEM products for Xiaomi, a huge Chinese smartphone manufacturer which like Huawei, has yet to find US carrier distribution yet.
Two other products we would like to mention are the Mophie Powerstation USB-C XXL and the Mophie Powerstation AC.
The USB-C XXL is a very nice looking battery as it integrates a fabric wrap over the polycarbonate casing so it’s pleasant to the touch — and it fully supports USB PD at 30W.
Its big brother is the Powerstation AC, which in addition to a USB-C PD and USB-A port, also has a 110VAC/100W port to supply power to virtually anything that uses standard 110V plugs, including legacy laptops and other electronic devices.
Cymulate snaps up $70M to help cybersecurity teams stress test their networks with attack simulations – TechCrunch
The cost of cybercrime has been growing at an alarming rate of 15% per year, projected to reach $10.5 trillion by 2025. To cope with the challenges that this poses, organizations are turning to a growing range of AI-powered tools to supplement their existing security software and the work of their security teams. Today, a startup called Cymulate — which has built a platform to help those teams automatically and continuously stress test their networks against potential attacks with simulations, and provide guidance on how to improve their systems to ward off real attacks — is announcing a significant round of growth funding after seeing strong demand for its tools.
The startup — founded in Tel Aviv, with a second base in New York — has raised $70 million, a Series D that it will be using to continue expanding globally and investing in expanding its technology (both organically and potentially through acquisitions).
Today, Cymulate’s platform covers both on-premise and cloud networks, providing breach and attack simulations for endpoints, email and web gateways and more; automated “red teaming”; and a “purple teaming” facility to create and launch different security breach scenarios for organizations that lack the resources to dedicate people to a live red team — in all, a “holistic” solution for companies looking to make sure they are getting the most out of the network security architecture that they already have in place, in the worlds of Eyal Wachsman, Cymulate’s CEO.
“We are providing our customers with a different approach for how to do cybersecurity and get insights [on] all the products already implemented in a network,” he said in an interview. The resulting platform has found particular traction in the current market climate. Although companies continue to invest in their security architecture, security teams are also feeling the market squeeze, which is impacting IT budgets, and sometimes headcount in an industry that was already facing a shortage of expertise. (Cymulate cites figures from the U.S. National Institute of Standards and Technology that estimate a shortfall of 2.72 million security professionals in the workforce globally.)
The idea with Cymulate is that it’s built something that helps organizations get the most out of what they already have. “And at the end, we provide our customers the ability to prioritize where they need to invest, in terms of closing gaps in their environment,” Wachsman said.
The round is being led by One Peak, with Susquehanna Growth Equity (SGE), Vertex Ventures Israel, Vertex Growth and strategic backer Dell Technologies Capital also participating. (All five also backed Cymulate in its $45 million Series C last year.) Relatively speaking, this is a big round for Cymulate, doubling its total raised to $141 million, and while the startup is not disclosing its valuation, I understand from sources that it is around the $500 million mark.
Wachsman noted that the funding is coming on the heels of a big year for the startup (the irony being that the constantly escalating issue of cybersecurity and growing threat landscape spells good news for companies built to combat that). Revenues have doubled, although it’s not disclosing any numbers today, and the company is now at over 200 employees and works with some 500 paying customers across the enterprise and mid-market, including NTT, Telit, and Euronext, up from 300 customers a year ago.
Wachsman, who co-founded the company with Avihai Ben-Yossef and Eyal Gruner, said he first thought of the idea of building a platform to continuously test an organization’s threat posture in 2016, after years of working in cybersecurity consulting for other companies. He found that no matter how much effort his customers and outside consultants put into architecting security solutions annually or semi-annually, those gains were potentially lost each time a malicious hacker made an unexpected move.
“If the bad guys decided to penetrate the organization, they could, so we needed to find a different approach,” he said. He looked to AI and machine learning for the solution, a complement to everything already in the organization, to build “a machine that allows you to test your security controls and security posture, continuously and on demand, and to get the results immediately… one step before the hackers.”
Last year, Wachsman described Cymulate’s approach to me as “the largest cybersecurity consulting firm without consultants,” but in reality the company does have its own large in-house team of cybersecurity researchers, white-hat hackers who are trying to find new holes — new bugs, zero days and other vulnerabilities — to develop the intelligence that powers Cymulate’s platform.
These insights are then combined with other assets, for example the MITRE ATT&CK framework, a knowledge base of threats, tactics and techniques used by a number of other cybersecurity services, including others building continuous validation services that compete with Cymulate. (Competitors include the likes of FireEye, Palo Alto Networks, Randori, AttackIQ and many more.)
Cymulate’s work comes in the form of network maps that detail a company’s threat profile, with technical recommendations for remediation and mitigations, as well as an executive summary that can be presented to financial teams and management who might be auditing security spend. It also has built tools for running security checks when integrating any services or IT with third parties, for instance in the event of an M&A process or when working in a supply chain.
Today the company focuses on network security, which is big enough in itself but also leaves the door open for Cymulate to acquire companies in other areas like application security — or to build that for itself. “This is something on our roadmap,” said Wachsman.
If potential M&A leads to more fundraising for Cymulate, it helps that the startup is in one of the handful of categories that are going to continue to see a lot of attention from investors.
“Cybersecurity is clearly an area that we think will benefit from the current macroeconomic environment, versus maybe some of the more capital-intensive businesses like consumer internet or food delivery,” said David Klein, a managing partner at One Peak. Within that, he added, “The best companies [are those] that are mission critical for their customers… Those will continue to attract very good multiples.”
Open-source password manager Bitwarden raises $100M – TechCrunch
Bitwarden, an open-source password manager for enterprises and consumers, has raised $100 million in a round of funding led by PSG, with participation form Battery Ventures.
Founded initially back in 2015, Santa Barbara, California-based Bitwarden operates in a space that includes well-known incumbents including 1Password, which recently hit a $6.8 billion valuation off the back of a $620 million fundraise, and Lastpass, which was recently spun out as an independent company again two years after landing in the hands of private equity firms.
In a nutshell, Bitwarden and its ilk make it easier for people to generate secure passwords automatically, and store all their unique passwords and sensitive information such as credit card data in a secure digital vault, saving them from reusing the same insecure password across all their online accounts.
Bitwarden’s big differentiator, of course, lies in the fact that it’s built atop an open-source codebase, which for super security-conscious individuals and businesses is a good thing — they can fully inspect the inner-workings of the platform. Moreover, people can contribute back to the codebase and expedite development of new features.
On top of a basic free service, Bitwarden ships a bunch of paid-for premium features and services, including advanced enterprise features like single sign-on (SSO) integrations and identity management.
It’s worth noting that today’s “minority growth investment” represents Bitwarden’s first substantial external funding in its seven year history, though we’re told that it did raise a small undisclosed series A round back in 2019. Its latest cash injection is indicative of how the world has changed in the intervening years. The rise of remote work, with people increasingly meshing personal and work accounts on the same devices, means the same password is used across different services. And such poor password and credential hygiene puts businesses at great risk.
Additionally, growing competition and investments in the management space means that Bitwarden can’t rest on its laurels — it needs to expand, and that is what its funds will be used for. Indeed, Bitwarden has confirmed plans to extend its offering into several aligned security and privacy verticals, including secrets management — something that 1Password expanded into last year via its SecretHub acquisition.
“The timing of the investment is ideal, as we expand into opportunities in developer secrets, passwordless technologies, and authentication,” Bitwarden CEO Michael Crandell noted in a press release. “Most importantly, we aim to continue to serve all Bitwarden users for the long haul.”
downgrade the ‘middle-men’ resellers – TechCrunch
As well as the traditional carbon offset resellers and exchanges such as Climate Partner or Climate Impact X the tech space has also produced a few, including Patch (US-based, raised $26.5M) and Lune (UK-based, raised $4M).
Now, Ceezer, a B2B marketplace for carbon credits, has closed a €4.2M round, led by Carbon Removal Partners with participation of impact-VC Norrsken VC and with existing investor Picus Capital.
Ceezer ’s pitch is that companies have to deal with a lot of complexity when considering how they address carbon removal and reduction associated with their businesses. Whie they can buy offsetting credits, the market remains pretty ‘wild-west’, and has multiple competing standards running in parallel. For instance, the price range of $5 to $500 per ton is clearly all over the place, and sometimes carbon offset resellers make buyers pay high prices for low-quality carbon credits, pulling in extra revenues from a very opaque market.
The startup’s offering is for corporates to integrate both carbon removal and avoidance credits in one package. It does this by mining the offsetting market for lots of data points, enabling carbon offset sellers to reach buyers without having to use these middle-men resellers.
The startup claims that sellers no longer waste time and money on bespoke contracts with corporates but instead use Ceezer’s legal framework for all transactions. Simultaneously, buyers can access credits at a primary market level, maximizing the effect of the dollars they spend on carbon offsets.
Ceezer says it now has over 50 corporate customers and has 200,000 tons of carbon credits to sell across a variety of categories. and will use the funds to expand its impact and sourcing team, the idea being to make carbon removal technologies more accessible to corporate buyers, plus widen the product offering for credit sellers and buyers.
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