Supplying The Maximum Run Time
And The Longest Lasting Batteries For Your Portable World
Experts in Lithium Polymer Technology
The Highest Performing Radio Batteries Anywhere!
Updated for 2026
a Division of Sandown Wireless
New, Digital Radio Accessory Catalogs
Public Safety Sales
Specializing in Radio Batteries / Microphones / Intelligent Radio Battery Chargers
Note: This Site is best viewed with a Desktop Computer
There is a lot of data available for download.
We back up our claims with the Documentation and Warranty!
NH Business ID #148249
NH Vendor #114225
CCR Registration #129842774
R.C.S.D. Retired
We're Also Listed On The Rockingham County NH Business List
We Also Accept Your Agency PO & N-30 terms
This site is a catalog. We urge our customers to contact us by phone or e-mail.
We want you to talk to a human to be sure you order the correct products.
Other Sandown Wireless Communications Web Sites
Radios & Radio Accessories: www.criticalradio.com
Radio/TV Communications Towers & Accessories: www.criticaltowers.com
Police-Fire-EMS Public Safety Communications Equipment www.criticalresponder.com
Always Look For
Made
Products!
If At All Possible.