12V 75AH High Performance Alarm Replacement Battery
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⚠️ Quick Reminder
🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
🔹 We only supply the batteries shown in the images. Device images are provided for reference only.
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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 | 75 AH
Terminal Type
Nut & Bolt
12V 75AH Alarm Battery — Compatible with 12V 75AH (NB)
When you require substantial standby capacity, this 12V 75AH Alarm Battery (NB) offers the heavy-duty performance and long-lasting reliability needed for large systems. Engineered as a replacement battery that meets or exceeds original manufacturer specifications, this unit provides high discharge capability and a wide operating temperature range so critical systems remain operational during extended outages. Ideal for larger UPS installations, emergency power systems, and industrial backup, this high-performance battery is built for demanding applications.
Key Specifications
- Volts: 12
- Amps: 75 (75 AH)
- Terminal: NB (Nut & Bolt)
- Weight: 50.6 Lbs
- Length: 10.25 in
- Width: 6.6 in
- Height: 8.15 in
- Chemistry: SLA (Sealed Lead Acid)
- Construction: AGM Technology
- Maintenance-free: Yes
- Spill Proof: Yes
- High discharge design
- Wide operating temperature range
- Long expected service life
- Guaranteed compatibility with original battery
- Warranty: 1-year Warranty
- Brand reference: *SigmasTek* (as listed)
- Shipping Methods: UPS Ground and USPS
- Shipping: We ship in 1 business day for all in-stock items
Benefits
This 12V 75AH Alarm Battery (NB) is designed for longevity and dependable high-load performance. As a high-performance battery with robust AGM/SLA construction, it tolerates heavy discharge cycles and supports systems that require long-duration backup power. The maintenance-free, spill-proof design is safer and easier to manage in confined or sensitive installations, and its nut-and-bolt terminal provides strong, secure connections for high-current applications. Typical uses include large UPS arrays, emergency power cabinets, telecom shelters, renewable energy storage support, and industrial equipment backup. Choosing this replacement battery means fewer changeouts and reduced downtime because its long-lasting battery life maintains readiness for extended periods.
For organizations managing multiple batteries, Batterysharks.com offers quantity discounts and RFQ support to streamline procurement. Verify dimensions and terminal type before ordering to ensure a proper fit and reuse your existing cables for a smooth installation.
Need reliable, large-capacity backup? Purchase the 12V 75AH Alarm Battery (NB) today for fast shipping and a 1-year warranty — the smart, high-performance replacement battery for heavy-duty applications.
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