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Technoline BL700N Intelligent AA-AAA battery charger

4.2 4.2 out of 5 stars 634 ratings
Currently unavailable.
We don't know when or if this item will be back in stock.
Brand techno line
Colour Black
Output voltage 12 Volts
Input voltage 240 Volts
Global Trade Identification Number 04029665407005

About this item

  • The BL700N is the professional standard Intelligent AA/AAA battery charger.
  • The latest version with unique 'N-Step' Charge Technology to successfully charge fully discharged batteries.
  • Four modes of operation - Charge, Discharge, Refresh, Test
  • Three user selectable charge current settings 200, 500, 700mA which is the optimum charging range. Capable of charging odd numbers of batteries (1,2,3 or 4)
  • High specification BL700N UK model, soft touch finish, 12V UK power supply
› See more product details

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PriceCurrently unavailable.-19% £21.99
RRP: £26.99		-11% £31.23
RRP: £34.99		£34.75£14.87£22.99
Delivery—
Get it as soon as Friday, Oct 18
—
—
—
Get it as soon as Friday, Oct 18
Customer Ratings
4.24.2 out of 5 stars634
4.44.4 out of 5 stars794
4.74.7 out of 5 stars62
4.44.4 out of 5 stars137
4.54.5 out of 5 stars13,150
4.54.5 out of 5 stars501
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XTARDIRECT
Amazon
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Youshiko
output voltage
12 volts
3.7 volts
—
1.2 volts
—
1.2 volts
input voltage
240 volts
3.7 volts
—
2.4 volts
240 volts
12 volts
battery charge time
—
4 hours
1.5 hours
2 hours
—
6 hours

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Product description

The latest version of the iconic BL700N battery charge utilises very high specification components throughout which results in a device of the highest professional standard. This genuine Technoline unit ** should not be confused with copy products with similar functionality which have no association with Technoline whatsoever **. The BL-700N battery charger has four independent charging channels each of which allow for independent charging, discharging, refreshing or testing of any AA or AAA rechargeable battery, both NiCd and NiMH. Perfect for charging odd numbers of batteries (1,2,3 or 4) Each battery slot has its own LCD providing real time information relating to the status of every battery so you can view actual charge/discharge current, terminal voltage, accumulated mAh and elapsed time per cell. You can perform different functions on each battery simultaneously. You can set the charge current at different levels for each of the four batteries and you can also charge different sizes (AA or AAA) at the same time. Select the charge current of your choice for a gentle or fast charge at either 200mA, 500mA, 700mA. Charging is specifically limited to a maximum of 700mA which is designed to protect your batteries from damaging over charging which reduces the life of modern low self discharge batteries. The Refresh Mode does a very good job of reviving tired, neglected or abused batteries by automatically charging and discharging until optimum performance is achieved. This charger is perfect for matching batteries into similarly performing sets and does an excellent job of identifying failing cells within a set. Supplied with a 12 month manufacturers warranty and suitable for charging any NiMH or NiCd rechargeable AA/AAA battery with capacity up to 3000mAh. UK version, UK power supply.

Product details

  • Is discontinued by manufacturer ‏ : ‎ No
  • Package Dimensions ‏ : ‎ 23.62 x 20.32 x 5.08 cm; 320 g
  • Date First Available ‏ : ‎ 18 Nov. 2012
  • Manufacturer ‏ : ‎ Technoline
  • ASIN ‏ : ‎ B003S4JQS2
  • Item model number ‏ : ‎ BL700N
  • Guaranteed software updates until ‏ : ‎ unknown
  • Customer reviews:
    4.2 4.2 out of 5 stars 634 ratings

Customer reviews

4.2 out of 5 stars
634 global ratings

Customers say

Customers like the battery life, value for money, and build quality of the product. They mention it's reliable, can charge different types of batteries, and has a wide range of functions for charging, discharging, reconditioning, and testing. Some also appreciate the battery status and display options. However, some dislike the functionality and have mixed opinions on the ease of use.

AI-generated from the text of customer reviews

Select to learn more
Battery lifeValue for moneyBuild qualityCharge capabilityBattery statusDisplay optionsEase of useFunctionality
205 customers mention ‘Battery life’157 positive48 negative

Customers like the battery life of the product. They mention it's still working well and without recharging problems. It has four modes: charge, discharge, test, and refresh. The functions available enable the battery condition to be monitored and provide the ability to refresh old batteries.

"...The Refresh mode is a brilliant feature that will help pay for the purchase cost of the charger in no time at all...." Read more

"...Four independent charging channels, configurable current, four modes: charge, discharge, test and a very useful 'refresh' mode which can coax old..." Read more

"...You can vary the charge rate and set the display to read volts or ma etc - or just leave the settings at default...." Read more

"...'re unsure the last time you used a battery, and the Refresh setting has revitalised batteries that I thought were completely toasted...." Read more

135 customers mention ‘Value for money’122 positive13 negative

Customers appreciate the value for money of the battery charger. They mention it produces the best performance they've ever had, and it still works after 5 years of daily use. Some say the test mode works really well and is a useful piece of kit.

"...Clever stuff and almost user proof, as you cannot overcharge using this charger...." Read more

"...For a low price, the BL-700 delivers almost as much functionality as an extremely expensive hobby grade charger (albeit for AA and AAA cells only)...." Read more

"...It also works perfectly with the different chemistry of standard Sanyo Eneloop NiMH batteries and their higher rated XX Eneloop versions...." Read more

"...Overall, yes it is priced pretty high though you do get some nice functions and is probably the most complete charger out there for AA and AAA cells...." Read more

57 customers mention ‘Build quality’42 positive15 negative

Customers like the build quality of the battery charger. They say it's reliable, fast, and doesn't overcharge batteries. Customers also appreciate the quality feel and intuitive operating process.

"...In short, the BL700N is all good now, with no major faults or even minor niggles to complain about." Read more

"...It is also flexible in terms of function, easy to use and very well made indeed. Recommended." Read more

"...It has been fully reliable after weekly use for a year. Some reviews that question reliability appear to misunderstand the functions...." Read more

"...Some of the cause of the deceit is due to cheap, poor quality chargers, which may undercharge, overcharge, don't account for differing existing..." Read more

47 customers mention ‘Charge capability’47 positive0 negative

Customers like the charging capability of the battery charger. They mention it can charge different types or a single battery, at different current levels, and has a wide range of functions for charging, discharging, reconditioning, and testing AA and AAA batteries. It also charges each battery individually and continuously monitors them. Customers also mention that it's easy to set up and has a choice of three charging currents.

"...I love the way this charger can charge 1-4 batteries at any one time, of any combination of AA or AAA, of any capacities...." Read more

"...Dual channels, cell balancing, endless modes, endless battery chemistry compatibility, massive power, etc... but it is rather overkill for charging..." Read more

"...As you'll read from other reviews, each battery compartment has full independent charging so there's no chance of a dud battery affecting its..." Read more

"...Each charging slot can be controlled independently of the other slots so if you start by practicing with one battery in one slot it won't be so..." Read more

18 customers mention ‘Battery status’18 positive0 negative

Customers like the battery status of the product. They mention it shows the charging completely from 0 to 100%, gives them a battery level reading, and monitors the voltage, current, and time for each individual battery. They also appreciate the large LCD display that gives a clear indication of the charging status and battery condition.

"...Along with this you can view the voltage of each cell individually, the current it is currently charging or discharging at, and receive an observed..." Read more

"...There is also a useful information display for each battery...." Read more

"...Oh, and the other killer feature: the display lets you monitor progress at any time, so you can see at a glance how your batteries are doing, and..." Read more

"...The large LCD display gives a clear indication of charging status and battery condition for each of the four charging slots...." Read more

12 customers mention ‘Display options’12 positive0 negative

Customers like the display options of the battery charger. They mention it has several views that can be selected during the charge, and is versatile. Customers also appreciate the four modes for each slot and a choice of charging currents.

"...Display: There are several views that can be selected during the charge and most of the time you won't be paying too much attention to this plethora..." Read more

"...There are four modes for each slot and a choice of charging currents...." Read more

"...charger with the ability to charge individual batteries - great for things like clocks which usually only take a single battery...." Read more

"Its great to be able to have different features and this has everything you could possibly want...." Read more

77 customers mention ‘Ease of use’43 positive34 negative

Customers have mixed opinions about the ease of use of the battery charger. Some mention that the instructions are clear and easy to follow, while others say the manual is not the simplest. They also mention the interface is somewhat non-intuitive.

"...Charging: This is not a difficult charger to use, so please do not be put off buying it...." Read more

"...The interface is somewhat non-intuitive. You will be reading the instructions...." Read more

"...The BL-700 can look a bit daunting at first but is fairly easy to master if you take it step at a time...." Read more

"...The display is clear and easy to understand. The buttons feel a bit wobbly but do their job fine and haven't failed yet...." Read more

12 customers mention ‘Functionality’0 positive12 negative

Customers are dissatisfied with the functionality of the battery charger. They mention it stopped working, can't even do the job it's supposed to do, and has problems after a couple of months. The two buttons, current and mode, lose functionality when pressed.

"...NO!After using these batteries they became very weak in power and lasted only half what they once did...." Read more

"...I use it for 4 batteries once a month, and after 14 months it has failed totally, that's just 13 charges all together...." Read more

"...Just being used over a year, two buttons current and Mode lost functionality when pressed nothing happens, it is total waste of money...." Read more

"...very moderate and careful use for around 15 months , it has now completely failed and is outside warranty - making it useless...." Read more

Excellent charger, in fact it's the best I've ever ...
5 out of 5 stars
Excellent charger, in fact it's the best I've ever ...
Excellent charger, in fact it's the best I've ever used. To help me decide which mode to use, I created a chart, which I've added as a photo. Errors and omissions excepted (E&OE).
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Top reviews from United Kingdom

ancientferguson
5.0 out of 5 stars Superb, even if you just want a simple charger.
Reviewed in the United Kingdom on 22 December 2012
Verified Purchase
I can't really see the point of repeating the Product Description, like so many reviews throughout Amazon, so I shall keep my review simple.

Charging: This is not a difficult charger to use, so please do not be put off buying it. If you simply want a no fuss battery charger, then drop your batteries in and switch it on. By default, the charger will charger at its lowest charge rate (200mah) which is the safest and kindest to your batteries. Using the "Current" button you can toggle between the offered rates of 200, 500, and 700, although you will need to be quick to select a change from the default, before the charger starts charging. The 200mah charge rate will take longer to charge your batteries than the other two modes, but I would recommend it, especially for AAA batteries.

Display: There are several views that can be selected during the charge and most of the time you won't be paying too much attention to this plethora of information unless you have an issue with one or more batteries. This information is well covered in other reviews so I won't bore you. I had one AA battery that was clearly quite sick out of a set of four, all purchased at the same time. The displays indicated that although the battery would yield the full voltage when fully charged, it had about 10% of the capacity of the others. All useful information. The row of buttons directly under the batteries allows you to toggle different displays for each cell individually.

Modes: Other than charging you batteries safely, this charger offers a Test mode and a Refresh mode. The Test mode discharges your batteries then charges them to full charge, resulting in a numerical result of the accumulated charge, to compare to the manufacturers claimed capacity. The Refresh mode is a brilliant feature that will help pay for the purchase cost of the charger in no time at all. My aforementioned rogue battery was revived from a capacity of 227mAh to 2020mah using this mode. It works by a controlled method of charging and discharging each cell, until the charger decides that the "Full" charge possible has been attained. In my case it took three days to revive this old set of batteries, one of which was obviously very poorly. There are no heat or safety issues with this prolonged use, just let this little wizard get on with its job.

I love the way this charger can charge 1-4 batteries at any one time, of any combination of AA or AAA, of any capacities. Clever stuff and almost user proof, as you cannot overcharge using this charger.

My understanding is that these chargers sell out as quick as they come in. If you are considering one and it is in stock, don't hesitate, you will not be disappointed.

I would recommend these two products if you are in the market for some quality rechargeable AA's. I really cannot see anything on the market that can better them at this price.

1x4 Sanyo Eneloop Mignon AA 1900 mAh

1x8 Sanyo Eneloop Mignon AA 1900 mAh
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J. Blencowe
5.0 out of 5 stars High price features on a low price charger
Reviewed in the United Kingdom on 4 February 2013
Verified Purchase
For years consumers have been deceived in to thinking rechargeable batteries are low capacity, unreliable and generally no good. What a shame, then, when any battery aficionado will tell you that a quality NiMH cell is far superior to its alkaline cousin. Some of the cause of the deceit is due to cheap, poor quality chargers, which may undercharge, overcharge, don't account for differing existing charges, only charge in pairs or worse, in sets of 4. Duracell and Energizer, two of the world's biggest battery makers themselves are guilty of these sins.

So let me start by saying that I already own several chargers - a couple of cheap 'dumb' wall-wart chargers and two hobby grade chargers, one of which (Bantam BC8DX) is shockingly expensive. The expensive one has all the bells and whistles one could ask for. Dual channels, cell balancing, endless modes, endless battery chemistry compatibility, massive power, etc... but it is rather overkill for charging regular AA cells for around-the-house duty. It is also extremely fussy about the cells it will charge.

For a low price, the BL-700 delivers almost as much functionality as an extremely expensive hobby grade charger (albeit for AA and AAA cells only). Four independent charging channels, configurable current, four modes: charge, discharge, test and a very useful 'refresh' mode which can coax old and abused cells back to life. Along with this you can view the voltage of each cell individually, the current it is currently charging or discharging at, and receive an observed mAh (capacity) rating from the test mode - good for checking how much life an older cell has. Oh and it monitors cell temperatures and stops if they overheat! The list goes on.

The disadvantages I have observed are minimal, but worth mentioning:
> The 3v power supply means that you cannot power it from an existing 12v bench supply or from your car battery (or some other 12v field charging rig). It means you will require either a 3v capable voltage regulator or a 240v inverter for field use with 12v supplies.
> The interface is somewhat non-intuitive. You will be reading the instructions.
> As mentioned in other reviews, it will not charge cells that have dropped to a low voltage (Eg. from being deeply discharged or left without a charge for a long period). However this is a common affliction of smart chargers, the remedy for which is 30 minutes in a 'dumb' trickle charger.

I am impressed with this product, would happily buy again and will recommend to anyone who will listen. Buy this charger.
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Top reviews from other countries

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laloire
5.0 out of 5 stars Tres bon appareil pour charger les piles-accu
Reviewed in France on 15 July 2024
Verified Purchase
Appareil sur, pas compliqué , bon mode d'emploi. C'est l'appareil indispensable alors que maintenant les piles accu rechargeable se trouvent dans beaucoup de produits électroniques.
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Cliente Amazon
5.0 out of 5 stars Lo esperado
Reviewed in Spain on 30 March 2019
Verified Purchase
Bien
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Husky
4.0 out of 5 stars Molto valido
Reviewed in Italy on 2 November 2015
Verified Purchase
Ha un sacco di funzioni: test, carica, scarica, rigenera. Con quest'ultima, grazie ai suoi cicli di scarica e carica, ho ripristinato la carica originale a vecchie batterie che altri caricabatterie caricavano pochissimo. Sembravano cariche ma si scaricavano in un baleno. Ora sono come nuove.
Poi la possibilità di caricare indipendentemente le batterie, anche una sola è notevole.
Ho trovato un solo difetto, alcune batterie molto scariche o non utilizzate da lungo tempo non vengono rilevate, permane la scritta "null" come se fossero guaste. Una ripassata preventiva nel vecchio caricabatterie e torna a vederle...
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Andrés
5.0 out of 5 stars Buena compra
Reviewed in Spain on 27 December 2018
Verified Purchase
Funciona perfectamente
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Client d'Amazon
4.0 out of 5 stars Un chargeur qui tient ses promesses
Reviewed in France on 24 January 2017
Verified Purchase
Chargeur acheter depuis 3 semaines.
Permet du charger, décharger, tester ou régénérer chacune des 4 piles indépendamment les une des autres.
Arrête automatiquement la charge lorsque la pile est chargée.
Permet de ressusciter des piles rechargeables qui avait perdu quasiment toute leur capacité !
Permet de faire le tri entre les bonnes piles et celles qui sont HS grâce à la fonction "test" qui permet de mesurer leurs capacités.
Relativement facile d'utilisation compte tenu du grand nombre de possibilités : il faut cependant bien lire la notice.
Refuse de charger les piles déchargées trop profondément (tension<0.5V) alors considérées comme défectueuses : il suffit alors les mettre 5 secondes dans un chargeur "non intelligent" avant de pouvoir les faire charger par le RS700.
Je regrette qu'il ne soit pas possible de choisir un courant de charge plus fort dans les emplacements 2, 3 et 4 que celui qui a été choisi sur l'emplacement 1.
Les boutons de sélection du mode de fonctionnement sont parfois un peu dur de la feuille : il faut parfois appuyer plusieurs fois avant que cela réagisse.
Globalement, je suis très content de cette achat qui a déjà été remboursé de par le nombre de piles que j'ai pu ressusciter et qui devrait prolonger grandement la vie de mes piles rechargeables.
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