DSC Power Series Sensors – Replacement Battery Guide

Below is a chart of the various sensors used with DSC systems (predominantly Power and Neo series alarm systems). Included is the Sensor Type (primary use), Part #/Description (mostly used by dealers), Voltage, Type (of battery used), Quantity (needed), and Picture (of the sensor; can be clicked to enlarge image if available). While some battery types may appear identical (typically the coin type batteries), it is important to use the listed type of battery to ensure the sensor works correctly and is not damaged.

Sensor Type	Part # / Description	Voltage	Type	Quantity	Picture
Door / Window	WS4945 — Door / Window sensor with aux input	3v	CR2	1
Door / Window	EV-DW4975 — Vanishing Door / Window sensor	3v	CR2032	1
Door / Window	EV-DW4917 – Recessed Door / Window sensor	3v	CR2	1
Door / Window	WS4965 — Tri-Zone Wireless Door/Window Contact	3v	CR123A	1
Motion	WS4904P — Pet Immune Motion Detector	3v	CR123A	1
Glassbreak	WLS922L-433 – Glassbreak Detector	3v	CR123A	2
Shock	EV-DW4927SS — Shock Sensor With Built-In Door/Window Contact	3v	CR123A	1
Flood	WS4985 — Wireless Flood Detector	3v	CR2	1
Smoke	WS4916 — Photoelectric Smoke Detector with Heat Detection	3v	CR123A	2
Carbon Monoxide	WS4913 — CO Detector	3v	CR123A	1
Pendant	WS4938 – Emergency Pendant	3v	CR2025	2
Keyfob	WS4949 — 2-Button Wireless Key	3v	CR2025	2
Keyfob	WS4939 — 4-Button Wireless Key	3v	CR2025	2
Keyfob	WS4959 — 5-Button Wireless Key	3v	CR2025	2
Keyfob	WT4989 — 2-Way Wireless Key	3v	CR2032	2
Siren	WT4901 — Indoor Siren	1.5v	AA	4
Siren	WT4911 — Outdoor Siren	3.6v	WT4911BATT	1
Repeater	WS4920 — Wireless Repeater	4.8v	WS4920BATT	1
Keypad	WT5500 – Wireless Keypad	1.5v	AA	4