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SigmasTek  |  SKU: BW-4223

APC BACK-UPS PRO BP350U UPS High Performance Replacement Battery

Sale price $16.99 USD Regular price $24.15
Shipping calculated at checkout.

➤ Meets or exceeds OEM SLA battery specifications for reliable performance

➤ Absorbent Glass Mat (AGM) technology for enhanced durability and safety

➤ Maintenance-free, spill-proof design reduces upkeep and risk of leaks

➤ U.L. Recognized and CE Certified for guaranteed quality and safety

➤ 1 Year warranty ensures peace of mind and product confidence


📦🚀 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 APC BACK-UPS PRO BP350U Battery — Compatible with APC BACK-UPS PRO BP350U

Ensure continuous protection for your APC BACK-UPS PRO BP350U with this reliable replacement UPS battery designed for compatibility and dependable operation. This high-performance replacement UPS battery meets or exceeds OEM SLA requirements and offers a reliable, long-lasting battery solution for protecting critical devices from unexpected power loss. Engineered for steady discharge and safe installation, it’s a practical upgrade to restore runtime and performance.

Key Specifications

  • Compatible Model: APC BACK-UPS PRO BP350U
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 7.5 Ah
  • Terminal Type: F2
  • Battery Type: SLA (Sealed Lead Acid)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: High Rate Discharge Design
  • Maintenance: Maintenance-Free Design with Spill Proof Construction
  • Safety & Certification: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Typical Applications: Emergency Power Supply; Battery Powered Tools

Benefits

Built to deliver robust and long-lasting performance, this replacement battery features AGM technology for reliable charge acceptance and enhanced vibration resistance. The maintenance-free, spill-proof construction minimizes servicing and offers safe handling during replacement. As a high-performance UPS battery, it handles high rate discharge requirements typical in UPS environments, ensuring your APC BACK-UPS PRO BP350U can support critical equipment through outages and surges.

Safety certifications including U.L. recognition and CE compliance provide added assurance of quality and regulatory adherence. Shipped brand new and backed by a 1 Year Warranty, this SigmasTek 12V 7.5Ah F2 battery is an economical and dependable alternative to OEM parts. It’s ideal for UPS systems, emergency power setups, and battery-powered tools where dependable runtime and quick recharge capability matter most.

The long-lasting battery construction reduces replacement frequency and helps maintain continuity for networking gear, small servers, and workstations. Quick installation and direct compatibility with the APC BACK-UPS PRO BP350U make this a straightforward upgrade to restore full backup performance.

Ready to secure reliable backup power? Add this replacement, high-performance UPS battery compatible with APC BACK-UPS PRO BP350U to your cart now and protect your systems with confidence.


Payment & Security

Payment methods

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