Mastech BT558 Self-powered Battery Tester
by Mastech
 |
List Price: Our Price: $3.99 Availability: Usually ships in 1-2 business days Buy Used: from $1.99 (click here) Category: Tools See more product details |
Product Details
Manufacturer: MastechModel: BT558
Product features:
- Checks AA, AAA, C, D, 9V types of regular or rechargeable batteries
- Internal battery not required, lasts forever.
- Compact size and light weight
- 90 days money back guarantee and 1 year limited warranty
Tools and Hardware Reviews of Mastech BT558 Self-powered Battery Tester
Customer Review: Measures SOMETHING - but what? and resolution so-so
Summary: 2 Stars
This is supposed to test your batteries for good/replace-Recharge.
On the good side - it is small, and does SOMETHING.
On the not-so-good side
1. WHAT does it measure? this is not clear. There is no manual, and the
scale is unlabeled. I am *assuming* it measures voltage, but I have no
clue if this is under some sort of load or not, and so the results are
not very convincing
2. If it DOES mesure Voltage, this is not so good for Rechargeable
Batteries, as they only give out 1.2V even when fully charged.
2. The scale has strange proportions, with more than 2/3rd of it for "bad"
and only about 20% for "Good". This is not very useful.
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