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SigmasTek  |  SKU: BW-4176

Belkin F6C650-USB UPS High Performance Replacement Battery

Sale price $14.91 USD Regular price $18.84
Shipping calculated at checkout.

➤ Compatible with Belkin F6C650-USB UPS models

➤ High rate discharge delivers dependable power

➤ Maintenance-free and spill-proof for hassle-free use

➤ Certified by U.L. and CE for quality assurance

➤ Includes a 1-year warranty


📦🚀 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.

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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 | 7.5 Ah

Terminal Type

F2

Replacement Belkin F6C650-USB UPS Battery — Compatible with Belkin F6C650-USB

This replacement UPS battery is engineered for seamless compatibility with the Belkin F6C650-USB, delivering reliable backup power when you need it most. Designed to meet or exceed OEM SLA battery specifications, this high-performance UPS battery offers dependable performance, safety certifications, and maintenance-free operation. Whether you’re protecting a home office, networking equipment, or critical electronics, this long-lasting battery provides the confidence and runtime required to ride out outages and maintain uptime.

Key Specifications

  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah (7.5 Amp-hours)
  • Terminal Type: F2
  • Compatibility: Belkin F6C650-USB
  • Battery Type: Sealed Lead Acid (SLA) / Absorbent Glass Mat (AGM) Technology
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free Design with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

Built with AGM technology and a high-rate discharge design, this replacement UPS battery delivers consistent power and robust performance for critical devices. Its maintenance-free, spill-proof construction reduces upkeep and risk, making it ideal for enclosed UPS cabinets and indoor installations. U.L. recognition and CE certification ensure that safety and quality standards are met, so you can trust the battery’s reliability under everyday and surge conditions.

As a high-performance UPS battery, this unit is tailored for applications that demand dependable energy delivery: uninterruptible power supply systems, emergency power for routers and modems, backup for small servers, and battery-powered tools requiring SLA replacements. The SigmasTek build provides long-lasting battery life and sustained output over repeated charge-discharge cycles, translating to fewer replacements and lower total cost of ownership for home and small business users.

Installation is straightforward thanks to the F2 terminal configuration and standard 12V form factor — a direct replacement that restores runtime to your Belkin F6C650-USB. The combination of factory-fresh condition and a 1 Year Warranty gives added peace of mind for first-time buyers and repeat customers alike.

Ready to restore reliable backup power? Purchase this replacement UPS battery for your Belkin F6C650-USB today and enjoy a high-performance, long-lasting battery solution backed by safety certifications and a 1 Year Warranty.



Payment & Security

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