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SigmasTek  |  SKU: BW-4658

Tripp Lite INTERNET550SER UPS High Performance Replacement Battery

Sale price $11.99 USD Regular price $16.90
Shipping calculated at checkout.

➤ Single SigmasTek SP12-5.5HR battery (12V 5.5 AH)

➤ High rate discharge design for consistent UPS output

➤ Valve regulated, spill-proof construction prevents spills

➤ Low self-discharge and vibration resistant for durability

➤ U.L. recognized and CE certified, backed by 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 Tripp Lite INTERNET550SER UPS

Maintain uninterrupted protection for your Tripp Lite INTERNET550SER Uninterruptible Power Supply (UPS) with the SigmasTek SP12-5.5HR replacement UPS battery. Engineered for strong, short-term power delivery and proven reliability, this long-lasting battery is an ideal solution when your UPS requires a fresh, high-capacity cell. Please use all existing cables and hardware from your original configuration during installation.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-5.5HR
  • Voltage: 12 Volts
  • Capacity: 5.5 Ah
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge; High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Connection Note: Use existing cables and hardware from original UPS

Benefits

  • Durable construction: Valve regulated and spill-proof design with high vibration resistance makes this battery dependable in a wide range of operating conditions.
  • Long-lasting battery life: Low self-discharge helps preserve capacity during storage and ensures reliable backup power when the Tripp Lite INTERNET550SER needs it most.
  • High-performance delivery: Specifically built for high rate discharge UPS applications, offering the burst power required for short-duration load demands.
  • Certified safety: U.L. recognized and CE certified for peace of mind when replacing your UPS battery.
  • Versatile applications: Perfect for Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery powered tools that need dependable short-term power.
  • Tested and guaranteed: Each battery is tested by experienced staff to meet or exceed OEM specifications; backed by a 1 year warranty.

Replace your Tripp Lite INTERNET550SER battery today with this replacement UPS battery and restore dependable backup functionality. Orders for in-stock items typically ship within 24 hours. If you need assistance, contact customer service at . Buy now to secure a high-performance UPS battery and keep your equipment protected.


Payment & Security

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