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SigmasTek  |  SKU: BW-1667

APC AP900XL High Performance Replacement Battery

Sale price $290.99 USD Regular price $415.53
Shipping calculated at checkout.

➤ Pre-assembled APC RBC7 battery cartridge for APC AP900XL UPS

➤ Includes 2 x 12V 18AH batteries and heavy-duty wiring

➤ AGM sealed battery technology for extended lifespan

➤ UL certified to meet strict safety standards

➤ 1-year warranty ensures dependable replacement


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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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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.
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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

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: 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

APC RBC7 Replacement Cartridge for APC AP900XL

Replace your depleted pack quickly with this fully assembled APC RBC7 replacement cartridge designed for the APC AP900XL. Built for compatibility, reliability, and ease of use, this cartridge arrives pre-assembled so you can install a trusted power source in moments. Featuring AGM sealed battery technology and UL certification, this high-performance UPS battery provides stable backup power and consistent performance for your critical systems. If you need a robust, long-lasting battery for the APC AP900XL, this replacement UPS battery is engineered to meet those expectations.

Key Specifications

  • Compatibility: APC RBC7 cartridge for APC AP900XL
  • Configuration: Fully assembled cartridge with 2 x 12V 18AH batteries
  • Voltage: 12V
  • Amp Hours: 18AH
  • Chemistry: SLA (Sealed Lead Acid) / AGM Technology
  • Accessories: Heavy duty 10 gauge cable and precision 60 Amp fuse
  • Certification: UL (Underwriters Laboratories) certified
  • Warranty: 1-year Warranty
  • Weight: 52 Lbs
  • Dimensions: Length 7.13 In, Width 6 In, Height 6.59 In
  • Guaranteed compatibility with original battery
  • Sourced by: Batterysharks.com
  • Connector: Special Connector (pre-assembled cartridge)
  • Shipping: Ships in 1 business day for in-stock items (UPS Ground and USPS)

Benefits

  • Durability: Robust AGM construction reduces maintenance and provides resistance to leaks and vibration — ideal for demanding environments.
  • Long life: Designed to meet or exceed original manufacturer specs, offering a long-lasting battery alternative for continuous backup needs.
  • High performance: With heavy gauge cabling and a 60 Amp fuse, this high-performance UPS battery ensures safe, efficient power delivery during outages.
  • Plug-and-play ease: Pre-wired RBC7 cartridge makes replacement fast and straightforward — no technical assembly required for APC AP900XL systems.
  • Typical applications: Suitable for UPS backup, emergency power, network closets, office equipment, and standby support for tools and sensitive electronics.
  • Safety and standards: UL certification and tested assembly offer peace of mind when powering critical infrastructure.
  • Fast fulfillment: Shipped promptly with a 1-year warranty and customer support available for installation questions or assistance.

Don’t wait until the next outage — restore dependable backup power to your APC AP900XL with this replacement UPS battery cartridge. Buy now for a high-performance, long-lasting battery solution backed by certification and warranty coverage.


Payment & Security

Payment methods

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