APC SMART-UPS XL SUM3000RMXL2U High Performance Replacement Battery Set (Set Of 8)
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 | 5.5 Ah
Terminal Type
F2
APC SMART-UPS XL SUM3000RMXL2U Replacement Battery Pack
Restore reliable backup power to your APC SMART-UPS XL SUM3000RMXL2U with this full replacement battery pack. These eight 12V 5.5AH modules are specifically selected for the SUM3000RMXL2U to deliver consistent performance and dependable protection for critical loads. Engineered to meet or exceed original manufacturer specifications, this replacement UPS battery kit ensures your UPS will provide the runtime and stability required during outages and power disturbances.
Key Specifications
- Package contains: 8 batteries
- Volts: 12 V
- Amp Hours: 5.5 AH
- Chemistry: SLA (Sealed Lead Acid)
- AGM Technology: Absorption Glass Mat Sealed
- Terminal type: F2
- Weight (total pack): 33.6Lbs
- Length: 3.54 In
- Width: 2.76 In
- Height: 3.98 In
- Warranty: 1-year Warranty
- Certified: UL (Underwriters Laboratories) certified
- Brand / Source: SigmasTek (sourced by ReplaceUPSBattery.com)
- Compatibility: Guaranteed compatibility with original battery set for APC SMART-UPS XL SUM3000RMXL2U
- Shipping Methods: UPS Ground and USPS
- Ships: We ship in 1 business day for all in-stock items
Benefits
This high-performance UPS battery pack uses AGM sealed technology to provide a maintenance-free, leak-proof power solution that stands up to demanding environments. Customers will notice improved reliability and consistent recharge behavior compared to aged or failing cells. As a long-lasting battery option, these modules minimize the frequency of replacements and reduce the risk of unexpected downtime for critical infrastructure. The robust construction and UL certification make these batteries suitable for commercial and enterprise UPS systems where reliability is essential.
Ideal applications include server room UPS backup, emergency power for communications equipment, protection for networking hardware, and backup for sensitive electronics and tools. Installing all eight batteries in the SUM3000RMXL2U in the original configuration ensures balanced performance and optimal run-time. Because the kit is guaranteed to match the original battery set, you do not need to worry about fitment or electrical compatibility — simply reuse your existing cables and hardware for a straightforward replacement.
Don’t wait for a failure to replace aged batteries. Purchase this high-performance replacement UPS battery pack for your APC SMART-UPS XL SUM3000RMXL2U now to regain full backup capability and safeguard your equipment. Contact our support team if you need single-battery options or installation guidance.
-
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.



