Dlyfull B4 Universal Battery Tester
ZDNET’s key takeaways
- This battery tester handles an enormous array of batteries, from one-use alkaline batteries to rechargeable cells.
- It is fast and straightforward to make use of, and can be utilized to check whether or not rechargeable batteries have come to the top of their life.
- The small show will be onerous to learn.
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I’ve misplaced rely of what number of occasions I’ve seen somebody throw away good batteries. Man, these issues price cash, and it is so wasteful. However it appears to be the very first thing folks do when one thing is not working.
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Earlier than I toss a battery into the recycling, I all the time check it. I usually use a multimeter, however that entails realizing what the voltages of a battery are after they’re full and lifeless, so except you will have a mind that remembers stuff like that over folks’s birthdays, this is not a sensible methodology.
However concern not, as a result of I’ve discovered a extremely cool battery tester that is straightforward to make use of, correct, and can be utilized with nearly any battery you may discover across the house — each one-use and rechargeable.
And after I say just about any battery, I imply simply that. The Dlyfull B4 battery tester works with 1.2V Ni-MH, 1.45V zinc air, 1.5V alkaline, 3.0V lithium manganese, 3.2V LiFePO4, 3.7V Li-ion, and 6.0V, 9.0V, and 12.0V Alkaline packs. It’s suitable with AAA, AA, C, SC, D, N and PP3 sizes, in addition to a complete vary of button cells, together with CR123A, CR-V3, 2CR5, 23A, and 27A.
The Dlyfull B4 can check a whole lot of totally different occasions of battereis.
Adrian Kingsley-Hughes/ZDNET
The system itself wants two alkaline AAA batteries to work — and a set are supplied to get you going.
Utilizing the tester is straightforward. The toughest half if determining which slot suits which battery, as a result of if you happen to get it incorrect, it will offer you an inaccurate measure of how a lot energy stays. As soon as you’ve got discovered the place your battery goes, push the optimistic finish into the slot and use the probe to the touch the opposite finish (button cells slot into the tester in such a manner that you do not want the probe), and the LCD display will present you the voltage, remaining capability, and a degree bar show.
The tester is straightforward to make use of and the outcomes are straightforward to decypher.
Adrian Kingsley-Hughes/ZDNET
It is so easy that I can do it single-handed and take a photograph. I used this the opposite day to undergo a pile of batteries left for recycling at a retailer, and out of the 50 or so batteries left, greater than half have been lower than 50% discharged, and had loads of life left.
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You may as well use this to check to see if rechargeable batteries are on the finish of their lives. Absolutely cost one and see what it says on the meter — if it reveals lower than 80% cost, the rechargeable battery is on the finish of its life and wishes changing.
ZDNET’s shopping for recommendation
For $30 (on the time of writing, there’s $5 off the value), I believe that the Dlyfull B4 battery tester is an efficient purchase, particularly for many who are nonetheless utilizing a whole lot of disposable batteries in issues like distant controls, recreation controllers, flashlights, radios, and different such objects, as a result of that is going to save lots of you cash. Too many batteries are being thrown out when there’s nothing incorrect with them.
If you happen to do not need to purchase a tester, then attempt taking the battery out and put it again in. Typically the issue is so simple as a poor contact between two batteries or the battery and the contact (that is why my grandma all the time used to open the battery cowl and provides them a roll earlier than condemning batteries).
