UPS12-12 UPS High Performance Replacement Battery Set - 4 Pack
Couldn't load pickup availability
⚠️ 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.
📸 Send Your Battery Photo / Unsure? Expert Help
Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE
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
SigmasTek 12 Volts 12 Ah F2 — Compatible with UPS12-12 UPS
Upgrade your backup power with this SigmasTek 12 Volts 12 Ah F2 replacement UPS battery engineered for dependable compatibility with the UPS12-12 UPS. Designed to deliver consistent performance and reliable runtime, this high-performance UPS battery gives you the confidence to protect servers, network equipment, telecom gear, and emergency systems. Whether you are restoring runtime after a power event or replacing an aged battery, this long-lasting battery is a direct-fit option that prioritizes safety, performance, and predictable endurance.
Key Specifications
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 12 Ah
- Terminal Type: F2
- Compatible UPS Model: UPS12-12 UPS
Benefits
This replacement UPS battery is built for durability and dependable service life. The 12 Ah capacity balances compact size with reliable runtime, making it an excellent choice for both frequent short power events and longer outages when paired with appropriate UPS systems. As a high-performance UPS battery, it provides stable discharge characteristics and consistent voltages under load, which helps protect sensitive electronics from brownouts or sudden failures.
Durability is a core advantage: construction optimized for repeated charge/discharge cycles ensures the unit sustains long-term use as an emergency power reserve. When you need a long-lasting battery for critical infrastructure, this SigmasTek 12V 12Ah pack minimizes downtime and maintenance overhead. Typical applications include UPS backup for data closets, network switches, PBX and telecom cabinets, medical standby equipment, security systems, and portable power tools that accept sealed lead-acid chemistry.
Installation is straightforward with the F2 terminal configuration, allowing secure connections in systems specified for F2 posts. This direct-replacement battery simplifies service calls and reduces the chance of compatibility errors that can interrupt runtime. Use as a single-unit replacement or as part of multi-battery strings in UPS cabinets that accept 12V 12Ah modules for extended capacity.
Choose this SigmasTek pack when you require a dependable, high-performance UPS battery designed to meet the demands of critical equipment. If your UPS12-12 UPS is signaling reduced runtime or the battery is near end-of-life, this replacement UPS battery is an easy, effective upgrade to restore full backup capability.
Ready to restore protection? Add this reliable, long-lasting battery to your cart now and secure the backup power your UPS12-12 UPS needs.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.



