APC SU1000XL Compatible Replacement Battery
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⚠️ 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.
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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
24 Volts | 18 Ah
Terminal Type
Special Connector
SigmasTek 24V 18AH Replacement Battery — Compatible with APC SU1000XL
This replacement UPS battery is engineered for the APC SU1000XL and offers dependable, tested performance for protecting critical loads. As a high-performance UPS battery option, it provides the 24 Volt, 18 AH capacity required for proper operation of your SU1000XL unit. Built brand new and backed by certification and a one-year warranty, this long-lasting battery is an excellent choice for restoring UPS runtime and reliability.
Key Specifications
- Quantity: 1 battery
- Voltage: 24 Volts
- Capacity: 18 AH (Ampere-hours)
- Terminal Type: Special Connector
- Brand: SigmasTek
- Design: High Rate Discharge Design
- Quality: High Quality UPS Batteries
- Condition: Brand New, Factory Fresh
- Performance: Performance Guaranteed
- Availability: In Stock and Same Day Shipping
- Support: Professional Customer Support
- Warranty: 1 Year Warranty
- Compatibility: APC SU1000XL
- Installation Note: Must use existing cables and hardware to connect
Benefits
- Durability — Manufactured to deliver consistent performance under regular UPS cycling and protected by a robust design that supports reliable service life.
- Long Life — As a long-lasting battery replacement, this unit is factory fresh and built to minimize self-discharge and maintain capacity over time.
- High Performance — Designed specifically for high rate discharge applications, it reliably supplies brief bursts of higher current demand—ideal for UPS transfer events.
- Certified Support & Warranty — Backed by a one-year warranty and professional customer support, helping ensure fast resolution if issues arise.
- Typical Applications — Perfect for use in APC SU1000XL Uninterruptible Power Supply systems, emergency power backup setups, and other applications requiring a 24V 18AH high-performance UPS battery.
- Quick Replacement — In-stock availability and same day shipping help you get critical replacements quickly to minimize downtime.
Get the replacement UPS battery your APC SU1000XL needs — order now to restore dependable backup power and ensure continued protection for your systems. Purchase today and enjoy fast shipping and reliable performance.
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Payment & Security
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