12 Volt 12 Amp F2 High Rate High Performance Compatible Replacement Sealed Lead Acid 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 | 12 Ah
Terminal Type
F2
12 Volt 18 Amp NB High Rate Sealed Lead Acid Rechargeable Battery — Compatible with SigmasTek SP12-12HR
Designed for flawless compatibility with the SigmasTek SP12-12HR model, this genuine 12 Volt 18 Amp NB High Rate Sealed Lead Acid battery delivers dependable performance and proven reliability. Whether you need a fast-recovery power source for critical standby systems or a dependable pack for high-discharge applications, this replacement battery offers OEM-level fit and function. Built with AGM technology and a maintenance-free, spill-proof design, it’s a high-performance battery engineered to keep your equipment running when it matters most.
Key Specifications
- Voltage: 12 Volt
- Capacity: 18 Amp (Ah)
- Type: High Rate Sealed Lead Acid (SLA)
- Terminal: NB
- Technology: Absorbent Glass Mat (AGM)
- Design: Maintenance-Free with Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compatible Model: SigmasTek SP12-12HR
Benefits
This 12 Volt 18 Amp NB battery is crafted for durability and long service life. AGM construction provides superior vibration resistance, low internal resistance for efficient charging, and leak-proof operation that makes the unit safe for a wide range of installations. As a high-performance battery it supports high-rate discharge cycles and rapid recovery — ideal for devices that demand bursts of power. Users will appreciate the maintenance-free, spill-proof design that eliminates the need for water checks and reduces service downtime.
Typical applications where this long-lasting battery excels include uninterruptible power supplies (UPS), emergency lighting, alarm and security systems, medical devices, and portable power tools. It’s also a strong choice for standby power in telecom equipment, renewable energy charge controllers, and industrial controls where a reliable, replacement battery is critical to uptime.
With U.L. recognition and CE certification, you gain added confidence that performance and safety standards are met. Backed by a one-year warranty and shipped factory fresh, this battery is ready to drop into your existing SP12-12HR installation and restore dependable service quickly.
Ready to replace your old pack? Order this 12 Volt 18 Amp NB High Rate Sealed Lead Acid replacement battery for your SigmasTek SP12-12HR today and enjoy a high-performance, long-lasting battery solution backed by warranty and certification. Purchase now to secure immediate shipping and rapid delivery.
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