APC BACK-UPS XS BX900 UPS High Performance Replacement Battery Set
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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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
12 Volts | 7.5 Ah
Terminal Type
F2
SigmasTek SP12-7.5HR Replacement Battery Set for APC BACK-UPS XS BX900
This replacement UPS battery set is purpose-built for the APC BACK-UPS XS BX900, delivering reliable compatibility, strong performance, and the dependability required for critical backups. Each pack contains two SigmasTek SP12-7.5HR batteries (12 Volts, 7.5 AH) that have been factory tested to provide consistent output when your BACK-UPS XS BX900 requires emergency power. If you want a high-performance UPS battery and a long-lasting battery option for home or office protection, this set is an excellent choice.
Key Specifications
- Brand: SigmasTek
- Model: SP12-7.5HR
- Quantity: 2 batteries per set
- Voltage: 12 Volts
- Capacity: 7.5 AH (Amp-hours)
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Feature: Low Self-discharge
- Feature: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compatible UPS Model: APC BACK-UPS XS BX900
Benefits
These batteries are engineered to deliver high instantaneous power, making them ideal for the high rate discharge demands often seen in UPS events. As a replacement UPS battery option for the APC BACK-UPS XS BX900, they ensure your devices receive clean, reliable power during outages and surges. The valve-regulated, spill-proof design minimizes maintenance and increases safety, while low self-discharge preserves capacity over long standby periods — an important trait for a long-lasting battery you can depend on when power is lost.
Built to withstand vibration and mechanical stress, these cells are well-suited to both stationary and mobile installations. The U.L. recognition and CE certification demonstrate compliance with safety and performance standards, offering additional peace of mind. Typical applications include use in Uninterruptible Power Supply (UPS) units like the APC BACK-UPS XS BX900, emergency power systems, and certain battery-powered tools that match electrical requirements. Our technical team individually tests each set to ensure it meets or exceeds OEM specifications so you receive a high-performance UPS battery replacement.
Please remember to use the existing cables and hardware from your original BX900 configuration when installing these replacement batteries.
Restore reliable backup power to your APC BACK-UPS XS BX900 today — add this high-performance, long-lasting battery set to your cart now. Fast shipping on in-stock items and a one-year warranty provide added value and confidence.
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