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SigmasTek  |  SKU: BW-4708

CyberPower CP485SL High Performance Compatible SLA Replacement Battery

Sale price $10.43 USD Regular price $13.18
Shipping calculated at checkout.

➤ High Rate Discharge Design for quick power delivery

➤ Valve Regulated Spill Proof Construction ensures safety and durability

➤ Low Self-discharge for longer shelf life and readiness

➤ High Vibration Resistance for reliable performance in tough conditions

➤ U.L. Recognized and CE Certified with 1 Year Warranty


📦🚀 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 | 5.5 Ah

Terminal Type

F2

SigmasTek SP12-5.5HR Replacement for CyberPower CP485SL UPS

Restore dependable backup power to your CyberPower CP485SL with the SigmasTek SP12-5.5HR (12 Volts 5.5 AH) replacement UPS battery. This unit is purpose-built for high rate discharge applications and offers the robust, valve-regulated, spill-proof construction necessary for reliable UPS performance. Use your original cables and hardware to install this high-performance UPS battery and return your CP485SL to peak readiness.

Key Specifications

  • Battery Model: SigmasTek SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 AH
  • Type Reference: SigmasTek12 Volts5.5 AhF2SLA Battery
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Reliable durability: The valve-regulated, spill-proof build and vibration resistance increase longevity in UPS environments.
  • Long-term readiness: Low self-discharge characteristics help this long-lasting battery maintain charge during standby periods.
  • Powerful performance: Designed for high rate discharge, this replacement UPS battery provides the extra surge capability required for brief, high-demand events.
  • Safety assured: U.L. Recognition and CE Certification ensure compliance with industry safety standards.
  • Multi-use functionality: Ideal for Uninterruptible Power Supply (UPS) units, emergency power, and battery-powered tools, expanding its usefulness across applications.
  • OEM-equivalent testing: Each unit is factory-fresh and tested to meet or exceed original specifications so your CP485SL receives dependable protection.
  • Easy installation: Swap this battery into your CP485SL using the existing cables and hardware for a fast and straightforward replacement.

Ensure uninterrupted protection for your CyberPower CP485SL by purchasing this SigmasTek SP12-5.5HR replacement today. Fast shipping on in-stock items and a 1 Year Warranty make this a smart, risk-free upgrade to a high-performance UPS battery.



Payment & Security

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