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SigmasTek  |  SKU: BW-3385

Tripp Lite SMART750RMXL2U UPS High Performance Replacement Battery Set

Sale price $32.99 USD Regular price $48.30
Shipping calculated at checkout.

➤ Includes 2 new SigmasTek SP12-7.5HR batteries (12V 7.5AH) for UPS units

➤ High rate discharge design delivers quick power bursts when needed

➤ Valve regulated and spill-proof for safe, maintenance-free use

➤ Low self-discharge for longer service intervals

➤ U.L. recognized, CE certified, and covered 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 | 7.5 Ah

Terminal Type

F2

Replacement Battery Set for Tripp Lite SMART750RMXL2U UPS - SigmasTek SP12-7.5HR (2 Pack)

Ensure uninterrupted operation for your Tripp Lite SMART750RMXL2U with this dependable SigmasTek SP12-7.5HR replacement UPS battery set. Each package contains two 12 Volt, 7.5 AH batteries designed for high-rate discharge performance, ideal for restoring runtime and protecting critical systems from unexpected power loss. This replacement UPS battery kit is factory fresh and intended for straightforward installation using your existing cabling and hardware.

Key Specifications

  • Compatible UPS Model: Tripp Lite SMART750RMXL2U
  • Battery Model: SigmasTek SP12-7.5HR
  • Quantity: 2 batteries per set
  • Voltage: 12 Volts
  • Capacity: 7.5 AH (Amp-hours)
  • 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 Warranty
  • Installation Note: Use all existing cables and hardware from original configuration to connect new UPS batteries
  • Brand: SigmasTek

Benefits

This replacement pack provides a robust, long-lasting battery solution that maximizes uptime and reliability. The high-performance UPS battery design is optimized for short-duration, high-current events—exactly the conditions many UPS systems encounter when supporting servers, networking gear, and critical electronics. Valve-regulated, spill-proof construction enhances safety and reduces maintenance requirements, while low self-discharge preserves capacity during long standby periods.

Common applications include uninterruptible power supply units like the SMART750RMXL2U, emergency power setups, and battery-powered tools. The high vibration resistance makes this set suitable for rack-mounted systems and environments that experience movement or mechanical stress. Certified by U.L. and CE, and shipped brand new with a 1 year warranty, these batteries offer dependable replacement performance at a competitive price.

All units are tested to meet or exceed OEM specifications by our technical team, so you can trust these batteries to restore the backup power your equipment needs without compromise.

Ready to safeguard your Tripp Lite SMART750RMXL2U? Purchase this SigmasTek SP12-7.5HR replacement UPS battery set today for a long-lasting battery solution, fast fulfillment, and the peace of mind that comes with quality-tested components.


Payment & Security

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