For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
SigmasTek  |  SKU: BW-1444

Tripp Lite RBC51 High Performance Compatible Replacement Battery

Sale price $16.99 USD Regular price $23.60
Shipping calculated at checkout.

➤ 12V 7.5AH UPS battery replacement with F2 terminal for Tripp Lite RBC51

➤ High-quality AGM sealed battery technology for durability

➤ UL certified for safety and reliability

➤ Perfect replacement matching original specifications

➤ Covered by a 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.

📸 Send Your Battery Photo / Unsure? Expert Help

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.
POST YOUR IMAGE

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

Tripp Lite RBC51 Replacement Battery (Compatible with Tripp Lite RBC51)

Keep your Tripp Lite RBC51 cartridge performing reliably with this 12V 7.5AH replacement UPS battery. Featuring Absorption Glass Mat (AGM) sealed battery technology and UL certification, this high-performance UPS battery is built to match or exceed OEM specifications, delivering the dependable runtime and safety your UPS requires.

Key Specifications

  • Package contains 1 battery
  • SLA Chemistry
  • AGM Technology
  • Guaranteed compatibility with original battery
  • 1-year Warranty
  • Volts  12 V
  • Amp Hours  7.5 AH
  • Weight  5.25Lbs
  • Length  5.95 In
  • Width  2.56 In
  • Height  3.7 In
  • Terminal  F2
  • Shipping Methods – UPS Ground and USPS
  • We ship in 1 business day for all in-stock items
  • Shipping & Return Policies
  • 1-year Warranty
  • Warranty Policy
  • SigmasTek12 Volts7.5 AhF2Tripp Lite

Benefits

  • Dependable Durability: The AGM sealed construction provides resistance to vibration and shock, offering a long-lasting battery that stands up to the demands of frequent cycling and standby service.
  • Consistent High Performance: As a high-performance UPS battery, it supplies stable power and predictable discharge characteristics to keep your Tripp Lite RBC51 functioning through outages.
  • Maintenance-Free Operation: Sealed SLA chemistry means no watering or maintenance—ideal for rack mounts, cabinet installations, and environments where accessibility is limited.
  • Multi-Purpose Use: Suitable for UPS backup, emergency systems, alarm panels, and other standby power applications that rely on a reliable sealed lead-acid battery.
  • Simple Replacement: Install in the same original configuration and reuse connectors and hardware from your Tripp Lite unit—verify dimensions before ordering to ensure compatibility.
  • Support & Warranty: Comes with a 1-year warranty and the backing of Batterysharks.com customer support. Contact us via email, chat, or toll-free at (800) 657-1303 for assistance.

Restore reliable backup power for your Tripp Lite RBC51 with this replacement UPS battery. Order now to ensure uninterrupted protection and peace of mind for your critical systems.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.