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Products
Batteries & Adapters


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Replacement Rechargeable Battery (For 451 & 801 Alarms)
Compatibility: STS-4xx Series (Full List in Description)
- Replacement Backup Battery for STS-451 & STS-455 Alarms
- 8 to 10 Hour Battery Life
- UB1250 Type Battery
- 12v 5Ah
- $21.95 if ordered online. Order by phone: $24.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (STS4-WLKC Keypads Only)
Compatibility: STS4-WLKC Wireless Keypad
- Approx. 3-months battery life
- Keypad automatically recharges battery
- Lithium 3.7v 1600mAh
- Quick release terminals for easy replacement
- $17.95 if ordered online. Order by phone: $20.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For STS4-REML Only)
Compatibility: STS4-REML LCD Remotes
- Rechargeable Lithium Battery
- Special Order Item
- $23.95 if ordered online. Order by phone: $26.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For STS-410 Keypad)
Compatibility: STS-409 & STS-410 Alarms
- Approx. 4-12 hour battery life
- Keypad automatically recharges battery
- Lithium 7.4v w/ overcharge protection
- Quick release plug for easy replacement
- $19.95 if ordered online. Order by phone: $22.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For 415/417 Keypads Only)
Compatibility: STS-415 & STS-417 Alarms
- Approx. 4 hours battery life
- Keypad automatically recharges battery
- Lithium 11.4v 1000mAh w/ overcharge protection
- Quick release plug for easy replacement
- $21.95 if ordered online. Order by phone: $24.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For 412 Keypads Only)
Compatibility: STS-412 Alarms
- Approx. 4 hours battery life
- Keypad automatically recharges battery
- Lithium 11.1v 1000mAh w/ overcharge protection
- Quick release plug for easy replacement
- $21.95 if ordered online. Order by phone: $24.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For 408 Keypads & Indoor Wireless Sirens Only)
Compatibility: STS-408 Alarms
- Approx. 4-12 hour battery life
- Keypad automatically recharges battery
- N1-MH AAA500mAh
- Quick release plug for easy replacement
- $21.95 if ordered online. Order by phone: $24.95, Save $3.00 online!
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Replacement Rechargeable Backup Battery (For 407 Keypads Only)
Compatibility: STS-407 Alarms
- Approx. 4 hour battery life
- Keypad automatically recharges battery
- Quick release plug for easy replacement
- $21.95 if ordered online. Order by phone: $24.95, Save $3.00 online!
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Replacement Battery Pack (For 3-5 Year Battery Life Sirens)
Compatibility: STS4-WLSL Outdoor Sirens
- Approx. 3-5 Year Battery Life
- Lithium 21.6v 19000mAh Battery Pack
- Quick release plug for easy replacement
- $29.95 if ordered online. Order by phone: $32.92, Save $2.97 online!
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Replacement 18v DC Power Adapter [UK] (For Wireless Outdoor Sirens)
Compatibility: STS-4xx Series (Full List in Description)
- 18v DC [UK]
- 90 Degree Angle Plug
- $9.95 if ordered online. Order by phone: $12.95, Save $3.00 online!
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Replacement 15v DC Power Adapter [US] (For 408 Alarms and Wireless Indoor Strobe Sirens)
Compatibility: STS-4xx Series (Full List in Description)
- Power Adapter for the STS-412 and STS-415 Keypads
- 110-240v - 50/60Hz
- 15v DC 1.5A
- 90 Degree Angle Plug
- $14.95 if ordered online. Order by phone: $16.95, Save $2.00 online!
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Replacement 12v DC Power Adapter [US] (For 407/409/410 Alarms)
Compatibility: STS-4xx Series (Full List in Description)
- Power Adapter for the STS-410 Keypad and Other Components
- 110-240v - 50/60Hz
- 12v DC 1A
- 90 Degree Angle Plug
- $9.95 if ordered online. Order by phone: $11.95, Save $2.00 online!