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The EZRED SP101 Battery Hydrometer is a professional-grade, rugged tool designed for quick and accurate measurement of battery acid specific gravity (1.100–1.300 SG). Ideal for mechanics, battery techs, and DIY enthusiasts, it eliminates guesswork with easy-to-read results and universal compatibility, ensuring you never miss a beat on battery health.





| ASIN | B000JFHMRU |
| Best Sellers Rank | #23,672 in Automotive ( See Top 100 in Automotive ) #35 in Automotive Battery Testers |
| Brand | EZRED |
| Brand Name | EZRED |
| Color | Factory |
| Colour | Factory |
| Compatible Devices | All batteries within the range of 1.100 - 1.300 sg |
| Country Of Origin | Taiwan |
| Customer Reviews | 4.6 out of 5 stars 3,252 Reviews |
| Global Trade Identification Number | 00008965001070 |
| Included Components | SP101 |
| Item Dimensions | 13 x 290 x 33 millimeters |
| Item Type Name | EZRED SP101 Battery Hydrometer |
| Item Weight | 68 g |
| Item dimensions L x W x H | 13 x 290 x 33 millimeters |
| Item weight | 68 g |
| Manufacturer | EZRED |
| Measurement Type | Specific Gravity Meter |
| Model | SP101 |
| Part Number | SP101 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | CE |
| Style | 1 pack |
| Style Name | 1 pack |
| UPC | 008965001070 |
| Unit Count | 1 Count |
M**K
جيد
جيد
P**T
Product quality and finish not upto the mark
The mould quality is not up to the mark and price of the product. However it serves the purpose.
J**I
rubber part tore off
The rubber part tore off after the second day of use. may be poor storage at the distributor.
K**.
Gehäuse undicht
An sich ein gutes Produkt. Es ist gut ablesbar, für meine Zwecke musste ich den Schlauch abändern. Das Gehäuse war jedoch an der Klebung der Gehäusehälften undicht. Das bedeutet, es zieht beim Einsaugen der Säure Luft. Eventuell durch den Transport verursacht, da nur in einer Papiertüte verschickt. Ich hätte das am liebsten reklamiert, aber durch die lange Lieferzeit habe ich mir die Mühe gespart und stattdessen das Gehäuse geklebt. Funktioniert jetzt wie es soll. Entweder besser verarbeiten oder besser verpacken wäre sinnvoll.
K**L
Will buy again
Very good tester used that style in the shop for years
M**L
Hydrometer a must for battery maintenance
Fast delivery, compact and functions well.
A**O
Great price great quality product!
Does EXACTLY what it’s supposed to do! As forklift mechanic we’re contacting acid levels in our electric forklift batteries and this gets the job done quick and efficiently!
J**O
Equipo de gran ayuda
Excelente equipo para saber la vida útil de tu batería.
Trustpilot
1 month ago
2 weeks ago