APC SMART-UPS XL SU3000RMXL3U High Performance Replacement Battery Set
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 | 9 AH
Terminal Type
F2
Replacement 12V 9AH Battery Set for APC SMART-UPS XL SU3000RMXL3U
Maintain predictable backup runtime for your APC SMART-UPS XL SU3000RMXL3U with this full set of eight replacement batteries. Each 12V 9AH battery utilizes AGM sealed technology to deliver maintenance-free, reliable performance that meets or exceeds the original specifications. This complete battery set is UL certified and sourced to ensure guaranteed compatibility with the original battery set in your UPS.
Key Specifications
- Package contains: 8 batteries (price includes all 8 batteries)
- Chemistry: SLA (Sealed Lead Acid)
- AGM Technology: Absorption Glass Mat sealed battery technology
- Guaranteed compatibility: Guaranteed compatibility with original battery set
- Warranty: 1-year Warranty
- Volts: 12 V
- Amp Hours: 9 AH
- Weight: 48.4Lbs
- Length: 5.95 In
- Width: 2.56 In
- Height: 3.7 In
- Terminal: F2
- Source: ReplaceUPSBattery.com
- Brand/Spec Sheets reference: SigmasTek UPS Batteries Spec Sheets
- Shipping: UPS Ground and USPS; we ship in 1 business day for in-stock items
- Certification: UL (Underwriters Laboratories) certified
Benefits
This replacement UPS battery set provides heavy-duty reliability and a long-lasting battery option for rack-mount UPS systems. The sealed AGM design reduces maintenance and the risk of leakage while offering consistent voltage output under load. As a high-performance UPS battery set, it helps ensure orderly system shutdowns, sustained runtime during power events, and protection for servers and networking equipment.
Ideal for use in data centers, enterprise server rooms, telecom closets, and other mission-critical environments, this set of eight batteries delivers matched performance across the battery string to prevent imbalance and premature failure. Installation requires placing the new APC SMART-UPS XL SU3000RMXL3U replacement batteries in the same original configuration and reusing existing cables and hardware. Verify the dimensions of your current batteries before ordering, since manufacturer requirements can change.
Need help selecting the right battery option or have questions about installations? Contact our customer support team via email, chat, or call toll-free at (800) 657-1303. We ship in 1 business day for in-stock items and include a one-year warranty for added assurance.
Ready to secure dependable backup power? Purchase this complete set of replacement UPS batteries for the APC SMART-UPS XL SU3000RMXL3U now and protect your critical systems with a reliable, long-lasting solution.
-
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.



