High Performance SLA Replacement Battery Set Compatible With CyberPower RB1280X2B
Couldn't load pickup availability
⚠️ 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 | 7.5 Ah
Terminal Type
F2
CyberPower RB1280X2B Replacement Batteries — Compatible with CyberPower RB1280X2B
Restore reliable backup power to your CyberPower RB1280X2B with this premium replacement UPS battery cartridge set. Designed for compatibility, performance, and reliability, this package contains the two 12V 7.5AH sealed lead-acid batteries required by the RB1280X2B cartridge. Built with AGM (Absorbed Glass Mat) technology and UL certification, these batteries deliver consistent, maintenance-free performance so your UPS continues to protect critical equipment when mains power fails.
Key Specifications
- Compatible UPS Model: CyberPower RB1280X2B
- Package contains: 2 batteries
- Voltage: 12 V
- Amp Hours: 7.5 AH
- Chemistry: SLA (Sealed Lead Acid)
- Battery Technology: AGM (Absorption Glass Mat)
- Terminal Type: F2
- Weight: 10.5 Lbs
- Length: 5.95 In
- Width: 2.56 In
- Height: 3.7 In
- UL Certified: Yes (Underwriters Laboratories)
- Brand / Manufacturer Info: SigmasTek (sourced by ReplaceUPSBattery.com)
- Warranty: 1-year Warranty
- Shipping Methods: UPS Ground and USPS (ships in 1 business day for in-stock items)
- Installation note: Install in same original configuration and reuse existing cables and hardware
Benefits
These replacement UPS batteries are engineered to deliver long-lasting battery life and dependable power for your CyberPower RB1280X2B. With AGM sealed construction and SLA chemistry, the cells offer superior vibration resistance, low internal resistance for efficient charging, and leak-proof, maintenance-free operation. As a high-performance UPS battery option, this set meets or exceeds original manufacturer specifications to ensure consistent runtime and safe operation under load.
Durability is built in: the rugged sealed design and UL certification mean you can trust these batteries in home offices, small server closets, point-of-sale systems, and other mission-critical installations. Typical applications include UPS backup for networking and IT equipment, emergency lighting, telecommunications, and portable equipment that depends on a reliable 12V supply. Whether you need to replace aged batteries or prepare a spare set, this package gives you tested compatibility and real-world performance.
Installation is straightforward—follow your UPS manufacturer’s guidance and install the new CyberPower RB1280X2B replacement batteries in the original configuration, reusing the existing cables and hardware. Always verify dimensions before ordering as manufacturer requirements can change.
Ready to secure uninterrupted power for your CyberPower RB1280X2B? Order this high-performance replacement UPS battery pair now and enjoy a dependable, long-lasting battery solution backed by a 1-year warranty. If you have questions, contact our customer service via email, chat, or call toll-free at (800) 657-1303.
-
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.



