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SigmasTek  |  SKU: BW-5504

APC BACK-UPS ES BE750BB High Performance UPS Replacement Battery

Sale price $26.03 USD Regular price $37.74
Shipping calculated at checkout.

➤ Superior long-life replacement battery for APC BACK-UPS ES BE750BB

➤ Maintenance-free AGM technology with spill-proof design

➤ High rate discharge for emergency power supply and tools

➤ Factory fresh and brand new with 1 year warranty

➤ U.L. Recognized and CE Certified for dependable performance


📦🚀 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 | 12 Ah

Terminal Type

F2

Replacement APC BACK-UPS ES BE750BB Battery - Compatible with APC BACK-UPS ES BE750BB

Ensure uninterrupted protection for your APC BACK-UPS ES BE750BB with this purpose-built replacement UPS battery. Engineered to meet or exceed OEM SLA specifications, this battery delivers the dependable, maintenance-free power that keeps your BE750BB ready for outages and power disturbances. It’s a high-performance UPS battery solution that combines safety certifications with rugged AGM construction to provide reliable backup when you need it most.

Key Specifications

  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: High Rate Discharge Design
  • Construction: Maintenance-Free Design with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 12 Ah
  • Terminal: F2

Benefits

This replacement UPS battery emphasizes longevity and dependable output. The AGM, maintenance-free design eliminates the need for routine electrolyte checks and reduces installation hassle, while the spill-proof construction enhances safety in tight or vertical installations. As a long-lasting battery option for the APC BACK-UPS ES BE750BB, it sustains performance through repeated charge/discharge cycles and responds reliably to the high-rate demands of UPS systems.

Use this battery in uninterruptible power supply systems, emergency power setups, and for battery-powered tools that require reliable short-term energy. The product’s U.L. recognition and CE certification validate manufacturing standards and safety, and the brand-new condition plus a 1 year warranty provide assurance against premature failure. Its high-performance UPS battery characteristics make it well-suited to protect home office networks, modems, routers, and sensitive electronics during power interruptions.

Installing this SigmasTek replacement restores the BE750BB’s original backup capabilities and helps extend the useful life of your UPS. Because it is designed to match OEM performance, you get the reserve run-time and stable voltage output needed to avoid data loss and equipment damage.

Ready to replace your battery? Purchase this long-lasting battery for the APC BACK-UPS ES BE750BB today and secure reliable backup power for your devices.


Payment & Security

Payment methods

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