ADI / Ademco Vista 21iP Compatible Alarm Replacement Battery
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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Battery Care Guide
Battery Care Guide
Battery Usage and Maintenance Guidelines 🔋
Please read the following instructions carefully before using your new battery. Proper adherence will help ensure optimal performance and extended service life.
1. Cordless Phones, PDAs, and Power Tools (NiMH, NiCd, Lithium-Ion) 📱
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Operate the device until the battery reaches approximately 20% capacity.
- Avoid premature recharging.
- Do not allow the battery to fully discharge during the initial cycles.
Post-Conditioning
- Recharge the battery only when necessary.
- These batteries are capable of approximately 500 charge cycles:
- Once daily → ~500 days
Twice daily → ~250 days
Note: Even a partial recharge is considered a full cycle.
2. Sealed Lead Acid (SLA) Batteries 💡
- No conditioning required.
- Maintain the battery in a fully charged state; avoid complete discharge.
- Capable of 300–400 charge cycles.
- Expected service life: 2–3 years, depending on usage conditions.
3. Laptop Batteries (Lithium-Ion) 💻
Initial Charge
- Fully charge the battery overnight prior to first use.
Conditioning (First 2–6 Charge Cycles)
- Charge fully, then discharge to approximately 20% capacity.
- Avoid complete discharge, as some devices may not detect a fully drained battery.
Post-Conditioning
- Minimize frequent plugging and unplugging.
- Allow the battery to discharge moderately at least once per month to maintain optimal performance.
- Occasional cycling is recommended to sustain battery health.
Professional Recommendation
Adhering to these guidelines will enhance battery longevity and ensure reliable performance.
For further assistance regarding your battery or order, our customer support team is available to provide guidance.
Delivery and Shipping
Delivery and Shipping
⚡ Everything You Need to Know About Shipping with BatteryWeb (USA)
We know reliable delivery matters when you need power fast. Here’s how BatteryWeb makes shipping easy across the USA:
🚚 Shipping & Delivery
Most orders ship next business day (some products like sealed lead acid may take a little longer).
Same-day shipping available if you order before 11:59 AM (delivery depends on the carrier).
We ship nationwide using FedEx, UPS, USPS, DHL, and regional ground carriers.
Shipping costs are calculated automatically at checkout based on weight, distance, and carrier.
Transit times shown are estimates only (business days, no weekends/holidays).
🌍 Shipping Restrictions
Lithium batteries cannot be shipped by USPS or air. They must go via FedEx Ground, UPS Ground, or DHL Ground.
PO Box deliveries are only available via USPS.
At this time, we do not ship lithium batteries to Puerto Rico. NiMH, NiCd, and Alkaline can be shipped.
📦 Important Notes
Double-check your shipping address! If an incorrect address is used and the order is returned, re-shipping costs are the buyer’s responsibility.
If a product is temporarily out of stock, we’ll notify you right away with the expected restock date—or issue a refund if you prefer.
💲 Currency & Pricing
All prices are shown in USD.
Orders shipped outside the USA may be subject to local taxes, customs fees, or import duties. These are the buyer’s responsibility.
⚡ At BatteryWeb, we’re committed to getting your batteries delivered quickly, safely, and affordably—so you’ll always have the power you need, when you need it.
Disclaimer
Disclaimer
⚠️ Disclaimer: All product names, trademarks, and registered trademarks belong to their respective owners.
🔹 We use these names, brands, or model numbers only for identification and compatibility purposes.
🔹 Our products are generic replacement parts and are not affiliated with, endorsed by, or manufactured by the original equipment manufacturers (OEMs).
Volts & Amps
12 Volts | 5 AH
Terminal Type
F1
ADI / Ademco Vista 21iP Replacement Battery — Compatible with Vista 21iP (SP12-5)
Keep your Vista 21iP alarm panel operating at peak readiness with this ADI / Ademco Vista 21iP replacement battery. The SP12-5 (12 V 5 AH) unit is a reliable, high-performance battery that matches OEM specifications for compatibility and standby performance. Perfect for routine maintenance or emergency swaps, this replacement battery ensures your security system remains powered during outages and critical events.
Key Specifications
- Model: SP12-5 (12 V 5 AH)
- Voltage: 12 Volts
- Capacity: 5 AH
- Construction: Valve Regulated Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Performance: Superior Performance Guaranteed
- Case: Rugged Plastic Case And Cover
- Condition: Brand New, Factory Fresh
- Includes: 1 battery - SP12-5 (12 V 5 AH)
- Warranty: 1 Year Warranty
- Brand: SigmasTek
Benefits
This Vista 21iP replacement battery delivers longevity and reliable discharge behavior expected from a premium alarm backup battery. Its valve-regulated spill-proof design reduces the chance of leaks and simplifies in-field handling. The rugged housing and factory-new condition ensure you receive a long-lasting battery able to withstand routine installation and service cycles.
As a high-performance battery, the SP12-5 maintains stable voltage and recovers quickly after charge, helping to keep alarm panels, sensors, and communication modules functional during loss of mains power. Certified to U.L. and CE standards and backed by a one-year warranty, this unit represents a dependable replacement for professional installers and DIY users alike.
Use this replacement battery in access control systems, home alarm systems, burglar alarm systems, and other security system configurations. It is also well-suited for small UPS units, emergency power modules, and portable tools that require a dependable 12V power source. The SP12-5 provides flexibility for a wide range of low-voltage backup tasks, making it an excellent choice for preventive maintenance and emergency readiness.
Secure your system today — order the ADI / Ademco Vista 21iP SP12-5 replacement battery for a high-performance, long-lasting battery solution that ships quickly and installs easily.
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