Belkin F6C900spUNV UPS High Performance Replacement Battery Set
⚠️ Quick Reminder
🔹 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 | 5.5 Ah
Terminal Type
F2
Replacement Battery Set for Belkin F6C900spUNV UPS — SigmasTek SP12-5.5HR (2 Pack)
This replacement battery set is engineered for compatibility with the Belkin F6C900spUNV UPS unit and provides reliable, high-performance backup power when you need it most. The package contains two SigmasTek SP12-5.5HR sealed lead-acid batteries (12 Volts, 5.5 AH) manufactured for demanding, high rate discharge UPS applications. Built for durability and dependable performance, these batteries come factory fresh and are tested before shipping. Please note you must reuse the existing cables and hardware from your original UPS configuration to connect the new batteries.
Key Specifications
- Compatible UPS Model: Belkin F6C900spUNV
- Battery Brand: SigmasTek
- Battery Model / Part Number: SP12-5.5HR
- Quantity: 2 batteries (set)
- Voltage: 12 Volts
- Capacity: 5.5 AH (amp-hours)
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Self-Discharge: Low Self-discharge
- Resistance: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Installation Note: Requires use of existing cables and hardware from original configuration
- Applications: Uninterruptible Power Supply (UPS), Emergency Power Supply, Battery Powered Tools
Benefits
Choose this replacement UPS battery set for a dependable, high-performance UPS battery that restores and extends the useful life of your Belkin F6C900spUNV. The specially designed high rate discharge capability provides the extra power bursts required by many UPS systems under load, reducing stress on the system and improving performance during critical events. Valve regulated, spill-proof construction makes these batteries safe and simple to handle and install.
Built for long-term reliability, the SigmasTek SP12-5.5HR offers low self-discharge characteristics that preserve capacity during standby periods, helping ensure that the battery remains ready for emergency use. High vibration resistance adds ruggedness for deployments in mobile racks or locations subject to movement. With U.L. recognition and CE certification, these batteries meet recognized safety and quality standards.
Typical applications include UPS systems, emergency power supply setups, and battery-powered tools requiring short-duration high output. Whether you are maintaining a business critical UPS or refreshing a home office backup, these batteries provide the dependable runtime and construction you expect from a long-lasting battery solution.
Restore dependable backup power to your Belkin F6C900spUNV now — order this high-performance, long-lasting replacement UPS battery set today and take advantage of fast shipping and a 1-year warranty.
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