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SigmasTek  |  SKU: BW-3587

CyberPower BC900 Compatible SLA Replacement Battery

Sale price $29.82 USD Regular price $37.67
Shipping calculated at checkout.

➤ Replacement battery set with 2 SigmasTek SP12-7.5HR (12V, 7.5 AH)

➤ Designed for high rate discharge UPS applications

➤ Valve regulated and spill-proof for safe operation

➤ Low self-discharge for extended standby life

➤ Factory fresh with 1-year warranty included


📦🚀 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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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

12 Volts | 7.5 Ah

Terminal Type

F2

SigmasTek SP12-7.5HR Replacement Battery Set for CyberPower BC900

Keep your CyberPower BC900 operating at peak protection with this brand new replacement UPS battery set. Designed for compatibility, consistent performance, and dependable reliability, the SigmasTek SP12-7.5HR batteries provide the capacity and discharge characteristics your UPS needs for clean switchover during power events. Remember to reuse the original cables and hardware when installing the new batteries.

Key Specifications

  • Compatible UPS Model: CyberPower BC900
  • Battery Model: SigmasTek SP12-7.5HR
  • Brand: SigmasTek
  • Quantity: 2 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal / Type: F2SLA
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof (VRLA)
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Durability: Rugged, valve-regulated construction and vibration resistance make these batteries dependable inside UPS enclosures and portable setups.
  • Long Life: Low self-discharge helps preserve capacity during storage and service life, making this a long-lasting battery choice for scheduled replacements.
  • High Performance: The high rate discharge design supports short-duration, high-power demands—ideal for delivering emergency power and reliable UPS operation.
  • Safety & Compliance: U.L. recognition and CE certification provide confidence in safety and manufacturing standards.
  • Wide Application: Suited for uninterruptible power supply units, emergency power systems, and battery-powered tools that require fast, dependable output.
  • OEM-Level Testing: Each set is tested to meet or exceed OEM specifications so your CyberPower BC900 receives a dependable replacement.

Replace your CyberPower BC900 batteries today with this high-quality, replacement UPS battery set. Orders for in-stock items typically ship within 24 hours—purchase now to ensure uninterrupted protection and dependable performance.



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