Belkin F6C129XBAT UPS High Performance Replacement Battery Set
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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 | 18 Ah
Terminal Type
Nut & Bolt
Replacement Battery Set for Belkin F6C129XBAT UPS - SigmasTek SP12-18HR (12V 18AH)
Replace worn-out cells with this brand new replacement UPS battery set made specifically for the Belkin F6C129XBAT uninterruptible power supply (UPS). This pack includes two SigmasTek SP12-18HR batteries (12 Volts, 18 AH) that deliver dependable backup power and quick response under load. If you need a high-performance UPS battery that fits the Belkin F6C129XBAT and restores runtime and reliability, this SigmasTek set is engineered to meet those needs.
Key Specifications
- Includes: 2 SigmasTek SP12-18HR batteries
- Voltage: 12 Volts
- Capacity: 18 AH
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Feature: Low Self-discharge
- Feature: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Installation note: You must use all existing cables and hardware from your original configuration to connect the new UPS batteries
- Manufacturer brand: SigmasTek
- Terminal type: Nut & Bolt
- Typical shipping for in-stock orders: typically shipped within 24 hours
Benefits
This replacement UPS battery offers a long-lasting battery solution with proven durability and performance. The high rate discharge design ensures these cells can supply higher power output during critical moments, making them an excellent high-performance UPS battery choice for the Belkin F6C129XBAT. Valve regulated, spill-proof construction reduces maintenance concerns and helps ensure safe, reliable operation in enclosed UPS cabinets.
Low self-discharge properties mean the batteries hold their charge during storage, extending shelf life and readiness when installed. High vibration resistance makes this set suitable for environments subject to movement or mechanical stress. Certified by U.L. and CE, and supplied brand new from the factory, these batteries are tested by our technical staff to meet or exceed OEM performance standards.
Typical applications include Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools. As a replacement UPS battery for the Belkin F6C129XBAT, this SigmasTek set restores dependable protection for servers, network gear, telecommunications equipment, and critical electronics that require uninterrupted power and rapid response.
Don’t wait until runtime degrades—secure reliable backup power now. Order your replacement UPS battery set for the Belkin F6C129XBAT today and enjoy fast shipping, tested performance, and a 1 year warranty.
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