For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-5561

High Performance SLA Compatible Replacement Battery for CyberPower PP1100

Sale price $66.64 USD Regular price $96.62
Shipping calculated at checkout.

➤ 12 Volts, 10.5 Ah capacity for reliable power

➤ High rate discharge design for short bursts of high power

➤ Valve regulated, spill-proof construction for safety

➤ Low self-discharge for long shelf life and readiness

➤ UL recognized and CE certified for quality assurance


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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 | 10.5 Ah

Terminal Type

F2

SigmasTek 12 Volts 10.5 Ah F2 SLA Battery - Compatible with F2 Terminal UPS Models

Designed for dependable compatibility and reliable backup power, the SigmasTek 12 Volts 10.5 Ah F2 SLA battery delivers consistent performance for UPS systems that accept F2 terminal sealed lead-acid cells. This replacement UPS battery offers the stable output and dependable construction needed to support critical loads, providing peace of mind during power interruptions. Whether you're maintaining network equipment, emergency lighting, or other vital systems, this SigmasTek unit is built to be a trustworthy, long-lasting battery solution.

Key Specifications

  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 10.5 Ah
  • Terminal: F2 (as indicated by F2SLA)
  • Type: SLA (Sealed Lead Acid)
  • Product Name: SigmasTek12 Volts10.5 AhF2SLA Batteries

Benefits

This high-performance UPS battery is engineered for durability and consistent output under demanding conditions. The sealed lead-acid design minimizes maintenance and reduces the risk of leakage, making it suitable for enclosed UPS cabinets and rack systems. As a replacement UPS battery, the SigmasTek unit provides the robust performance required for short-duration, high-rate discharge events and routine backup scenarios. You’ll notice reliable recharge acceptance and stable voltage under load, attributes that contribute to a long-lasting battery life in real-world use.

Typical applications include Uninterruptible Power Supply (UPS) systems, emergency power backup for communications and security equipment, and battery-powered tools or small DC systems requiring compact SLA cells. Its F2 terminal format makes it straightforward to integrate into existing assemblies that use F2 connections, simplifying swaps and reducing downtime.

Durability is reinforced by the sealed construction, and its chemistry is chosen to resist common stressors like vibration and repeated cycling. As a replacement option, this SigmasTek battery is ideal for technicians and facility managers who need a reliable, high-performance UPS battery that won’t require frequent attention. If you are seeking a long-lasting battery that fits F2 terminal layouts and provides dependable reserve capacity, this SigmasTek unit is an excellent choice.

Ready to upgrade your backup power setup? Purchase this replacement UPS battery today to restore reliable protection and ensure your equipment remains powered through outages. Order now to secure a high-quality, long-lasting battery replacement.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.