Product Description
Features and Benefits With LCD Display for easy charging status recognition Each charging group is individual programmable in its function Ni-MH and Ni-Cd batteries can be mixed to charge at the same time Identification of defective cells Operation Instruction Attach the adaptor with the AC outlet Connect the charger with the adaptor. The LED indicator lights in yellow and the LCD screen flashes. (The 9V LED indicator light does not light) For AA/AAA/C/D batteries: insert AA/AAA/C/D batteries into the charger. If te battery is not suitable for recharge, the LED indicator flashes in red and LCD displays "BAD" If the battery is tuiable for charging (battery voltage within the permitted rnage), fast charging mode starts. The LED indicator lights in red and the LCD screen displays bottom-up lading. The LCD screen stops flashing for several seconds to indicate the battery capacity at each cycle. When the battery is full or the predetermined charging time (6 hours, which is controlled by safety timer function) is over, the charger will switch to trickle charge mode. The LED indicator lights in green and the LCD screen displays "OK". The corresponding LCD display stops flashings but lights. Press the discharge button for several seconds to activate the discharge process. The LED indicator lights in yellow and the LCD screen dsiplays to-down loading. It stops flashing for several seconds to indicate battery capacity at each cycle. The charger will switch to fast charging mode automatically when the return voltage is reached. (Please note this charger can not discharge 9V batteries.) For 9V batteries: insert 9V battery into the charger. THe LED indcator lights in red. The LED still lights in red after charing process is completed. Disconnect the charger from AC outlet Remove batteries from the charger It is recommended to charge batteries of the same capacity in each charging process.
Rate Points :4.0
Brand :Tenergy
Label :Tenergy
Manufacturer :Tenergy
Model :T6278
MPN :T-6278
ProductGroup :Kitchen
Studio :Tenergy
Publisher :Tenergy
UPC :851197001376
EAN :0851197001376
Lowest Price :$24.99USD
Features
Customer ReviewsLCD DOA
Rating Point :3 Helpful Point :0
This is definitely a cheaply made product. Mine arrived yesterday with the LCD DOA and nearly falling out of the top lid. Fortunately, though, you can still use the unit as it has four LEDs that show the status of the batteries. The only thing you cant see is whether or not the batteries are bad because the red LED is the same for bad or fast charge (at least thats what their product description shows). My only other gripe is that the fan runs constantly, even in trickle charge, and I would question the need for "constant on" in that mode. (If the fan is as cheap as the LCD, Im afraid it will fail quickly if left on constantly.)
Despite the complaints, the unit does a good job charging and my first set of batteries discharged and recharged overnight with no issues. Ill likely keep the unit despite the dead LCD and replace it with a better quality unit (from another company) once this one goes kaput. If I only get 20 or 30 charges out of it, its still cheaper than buying new sets of batteries!
Since Amazon allows only full stars I gave this three but Id rate this 2.5 stars out of 5.
Charge!
Rating Point :4 Helpful Point :0
This charger is so versitle since it does several types of batteries as well as multiple batteries. We purchased it to use for the office camera and other items and it has been a time saver.
Nice features but cheaply manufactured
Rating Point :4 Helpful Point :1
This charger has some good features that are hard to find in a charger but it is somewhat cheaply manufactured and a bit flimsy. Its probably not a good choice for people who are hard on their equipment (kids etc). Mine arrived with the LCD screen hold-down screws stripped out of their plastic holes and the screen would not function.
It can charge 1 to 4 AAA/AA/C/D batteries at a time or two 9 volt. It charges my AAs in about 3 hours. It has a fan that cools the charging batteries (not loud for those who care about noise). It has a discharge battery function to drain NiCad batteries and prevent memory problems but this feature drains all 4 ports at the same time so if you want to charge a NiMh battery while you drain a NiCad, youre out of luck. It gives a rough readout telling how charged each battery is but its not very accurate.
It has a feature that supposedly tells you when a battery is bad, but it doesnt really work I placed 3 batteries that I knew were bad (they only hold about 30 seconds of flashlight power) and it did not report any of them as bad - just said they were fully charged in about 5 minutes.
The main unit measures 7.5 x 5.5 x 3 inches. Its wall-plug DC converter is narrow but long (3.5 x 1.5) so it only takes up one outlet when plugged into a lower wall socket or a horizontal outlet bar. The converters cord is approximately 6 ft long.
A note on its box says it is better to charge batteries of the same capacity in each charging process so if you mix and match battery sizes frequently, there may be some side effect.
Overall, Im happy with it. Its ability to charge each battery separately (instead of 2 at a time like most chargers) and the cooling fan were enough to make it worth it to me.
Versatile battery charger with nice features. Does the job.
Rating Point :5 Helpful Point :0
The Tenergy T6278 Universal Intelligent Battery Charger is one of the smarter chargers on the market. I bought two chargers over the holidays and a bunch of rechargeable batteries (AAA,AA,C,D,9V). Rechargeables are greener than buying dozens of alkalines over the year and throwing them away when theyre depleted.
Some chargers only charge AA/AAA batteries this one charges C,D,9V sizes as well. The charger looks and feels solid, although the door release button feels gummy -- I have to hold down the side of the charger when pressing the button for the door to pop open. The six LEDs atop the charger are bright the 2" x 1" LCD panel actively displays bar graph charge levels for 4 charging cells, whether the cell is BAD (no voltage/no current drawn), when trickle charging=OK. For each battery, the bar graph fills in a downward direction if discharging, upward for charging.
The LCD display is readable, but theres no LCD indication for the 9V port. Also, the LED for the 9V will not change color when charging is done. I found that the charger will discharge batteries while it charges other slots: Place batteries to discharge into the charger first, press the discharge button to start discharging these Second, insert the batteries to recharge into the other slots -- these will start charging at the same time.
This charger has a mini-fan on the side that draws air from the opposite side of the charger over the batteries to cool them during the charging process it runs as long as the unit is plugged in, even with no batteries inside. The batteries get very slightly warm with the cover closed, so I guess the fan is ok. This charger monitors the battery voltage during charging when fully charged, the voltage in the battery will actually drop by a tiny amount (Delta-V) over a very short time. This is the preferred stop-charging indicator. The charger senses this and switches to trickle charging to top off the batterys charge until its removed. Its supposed to have a safety timer in case a battery is charging for too long, but Ive never tested this.
This chargers use of the Delta-V measurement is better than cheaper ones that use a timer to stop charging process -- not all batteries will fully charge given a fixed amount of time -- some may overcharge -- and not all batteries are the same.
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