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๐ Know Your Batteryโs Health Like a ProโNo Guesswork, Just Power.
The EZRED SP101 Battery Hydrometer is a professional-grade, rugged tool designed for quick and accurate measurement of battery acid specific gravity (1.100โ1.300 SG). Its user-friendly design eliminates complicated float readings and temperature adjustments, making it ideal for mechanics, technicians, and DIY enthusiasts who demand reliable battery diagnostics with zero maintenance.





| ASIN | B000JFHMRU |
| Best Sellers Rank | 39,860 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 87 in Car Battery Testers 100 in Infrared Thermometers 1,489 in Electrical Tools & Testers |
| Brand | EZRED |
| Colour | Factory |
| Compatible Devices | All batteries within the range of 1.100 - 1.300 sg |
| Customer Reviews | 4.6 out of 5 stars 3,272 Reviews |
| Global Trade Identification Number | 00008965001070 |
| Included Components | SP101 |
| Item Dimensions | 13 x 290 x 33 millimetres |
| Item Type Name | EZRED SP101 Battery Hydrometer |
| Item Weight | 0.15 Pounds |
| Item dimensions L x W x H | 13 x 290 x 33 millimetres |
| Item weight | 0.15 Pounds |
| Manufacturer | EZRED |
| Manufacturer Part Number | SP101 |
| Measurement Type | Specific Gravity Meter |
| Minimum Operating Voltage | 2.1 Volts |
| Model Number | SP101 |
| Power Source | Battery Powered |
| Power source | Battery Powered |
| Specification Met | CE |
| Style | 1 pack |
| Style Name | 1 pack |
| UPC | 008965001070 |
| Unit Count | 1.0 count |
P**D
Initially I concluded it was not consistent BUT now
I initially wrote this: 'Easy to use but the results are not consistent. If I take three readings from the same cell they will all be different.' BUT MY ENGINEER TELLS ME THAT IF YOU TAKE MULTIPLE READINGS QUICKLY FROM THE SAME CELL YOU GET DIFFERENT RESULTS. SO MAYBE IT IS OKAY.
R**N
Easy to read.
Bought to replace my normal hydrometer. Easy to read and easy to use and of course made in the USA.
K**.
Gehรคuse undicht
An sich ein gutes Produkt. Es ist gut ablesbar, fรผr meine Zwecke musste ich den Schlauch abรคndern. Das Gehรคuse war jedoch an der Klebung der Gehรคusehรคlften undicht. Das bedeutet, es zieht beim Einsaugen der Sรคure Luft. Eventuell durch den Transport verursacht, da nur in einer Papiertรผte verschickt. Ich hรคtte das am liebsten reklamiert, aber durch die lange Lieferzeit habe ich mir die Mรผhe gespart und stattdessen das Gehรคuse geklebt. Funktioniert jetzt wie es soll. Entweder besser verarbeiten oder besser verpacken wรคre sinnvoll.
K**L
Will buy again
Very good tester used that style in the shop for years
M**K
ุฌูุฏ
ุฌูุฏ
M**L
Hydrometer a must for battery maintenance
Fast delivery, compact and functions well.
A**O
Great price great quality product!
Does EXACTLY what itโs supposed to do! As forklift mechanic weโre contacting acid levels in our electric forklift batteries and this gets the job done quick and efficiently!
Trustpilot
1 month ago
3 weeks ago