Belkin F6H125-BAT UPS High Performance Replacement Battery
⚠️ 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 | 5.5 Ah
Terminal Type
F2
SigmasTek SP12-5.5HR Replacement for Belkin F6H125-BAT UPS
Replace your Belkin F6H125-BAT UPS battery with a reliable, high-performance SigmasTek SP12-5.5HR (12 Volts, 5.5 AH) replacement UPS battery designed to restore peak performance and dependable runtime. This long-lasting battery is engineered for compatibility with the Belkin F6H125-BAT and delivers dependable power for uninterruptible power supply systems, emergency backups, and battery-powered tools. Built for reliable performance under demanding conditions, this high-performance UPS battery gives you the confidence to protect critical equipment and maintain uptime.
Key Specifications
- Brand: SigmasTek
- Model: SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 AH
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Feature: Low Self-discharge
- Feature: High Vibration Resistance
- Certification: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Terminal: F2
- Compatible UPS Model: Belkin F6H125-BAT
Benefits
This SigmasTek SP12-5.5HR replacement UPS battery is engineered for durability and consistent output. Its valve-regulated, spill-proof construction minimizes maintenance and provides safe installation in a wide range of environments. The high rate discharge design makes this battery ideal when the Belkin F6H125-BAT requires higher power output for short bursts—perfect for protecting sensitive electronics, servers, and network equipment during outages. Low self-discharge ensures the battery remains ready even after long standby periods, giving you a long-lasting battery solution that holds charge reliably.
High vibration resistance and industry certifications (U.L. Recognized and CE Certified) mean this battery stands up to physical stress and meets recognized safety standards. Whether you need a replacement UPS battery for a home office UPS, enterprise uninterruptible power supply, or emergency power unit, this SigmasTek cell delivers consistent, high-performance UPS operation. Typical applications include UPS systems, emergency power supplies, and battery-powered tools that require quick bursts of power. Our technically trained staff tests each unit to ensure it meets or exceeds OEM expectations.
Important note: use all existing cables and hardware from your original configuration to connect this replacement battery to your Belkin F6H125-BAT UPS. If you need assistance selecting or installing this high-performance UPS battery, our customer service team is available at to help.
Ready to restore full runtime and reliability to your Belkin F6H125-BAT? Buy this replacement UPS battery today and enjoy superior performance, peace of mind, and fast shipping on in-stock items. Order now to secure a long-lasting battery and protect your equipment.
-
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.



