LR44 Batteries. 2 per package ALKALINE BUTTON BATTERY 1.5-volt 2 pack by Maxell. A standard battery used in many meters and cameras. Reference numbers LR44 and A76. Fits most Hanna, Adwa, Milwaukie, Oakton and more.... — Ships from Portland, Oregon USA....more info.
Batteries for pH/TDS pen or Thirsty Light (pack of 4 batteries) Hydrofarm Batteries for pH/TDS pen or Thirsty Light (pack of 4 batteries) (HGPROBAT)Stock up on batteries for your pH/TDS pen and never be without. The tiny battery discs hardly take up any room-- you can even store them right in your pen case so you're always prepared.
Also work as replacement batteries for your Thirsty Light.
Ma... — Ships from HF: OR, CA, CO, PA, TX, FL USA....more info.
D Batteries. 2 per package D BATTERIES, pack of 2. Alkaline strength and durability. We tested these against the brand names and they did just as well for less money!... — Ships from Portland, Oregon USA....more info.