: On many "Alert" models, turning the radio on automatically defaults it to a standby alert mode where it stays silent until a weather emergency signal is received. User Community Perspective
The RadioShack 12-150 is a small sealed-lead-acid (SLA) 12 V, 1.2–1.5 Ah (often marketed as 12 V, 150 mA·h? — common labeling varies) rechargeable battery pack used in consumer electronics such as emergency lighting, backup power for alarm systems, hobby electronics, and small UPS modules. It is typically a rectangular, valve-regulated lead-acid (VRLA) battery with faston/tab or wire leads and a maintenance-free, non-spillable design. Radio Shack 12 150 Manual
The you are experiencing (e.g., no power, heavy static, broken antenna) : On many "Alert" models, turning the radio
: Use a slightly damp cloth to wipe the exterior. Avoid harsh chemicals or solvents that can damage the plastic or rub off the dial lettering. Static/Crackling Static/Crackling : Includes a 3
: Includes a 3.5mm headphone jack for private listening and an auxiliary input for connecting external audio sources.
You can often find the 12-150 listed on second-hand marketplaces like eBay. It's described as a "Radio Shack NOAA Extreme Long Range Heavy Duty AM FM WX Weather 12-150" and typically sells for around $30–$35.
, depending on the specific production year). Ensure polarity (+/-) matches the internal markings. : If using an AC adapter, ensure it is a 12V DC center-negative