Alcad SD 21 Batteries
Alcad SD 21 Summary:
Alcad SD 21 Batteries are general purpose batteries offering the best balance of performance, life and cycling. This makes them perfect in single- or multi-load applications, including switchgear, communications, emergency lighting, and data processing. Alcad lead-selenium cells represent the best possible compromise in lead-acid pasted-plate technology. The grid alloy combines the reliability and good cycling capability of lead-antimony with the stable charging characteristics and low maintenance of lead-calcium.
Alcad SD 21 General Specifications:
Nominal Ah Capacity: 400
Cell Weight Empty: 49.5 lb, 22.45 kg
Cell Weight Filled: 70.4 lb, 31.93 kg
Volume of Acid (gal): 2.0
Length: 7.4 in, 187.96 mm
Width: 8.1 in, 205.74 mm
Height: 16.1 in, 408.94 mm
No. of Posts: 2
Downloads & Documentation
See below for documentation relating to this product line that is available to download. To download this documentation, please click on the desired document you’d like to download and fill out the required form information fields. You will be able to view and download the documents upon completion of the download form.
- Alcad SD/SDH All Documents