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SigmasTek  |  SKU: BW-1451

APC CP27U13NA3 High Performance Replacement Battery

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

➤ 12V 7.5AH replacement battery with F2 terminal for APC CP27U13NA3

➤ AGM sealed battery technology for enhanced durability

➤ UL certified ensuring trusted safety standards

➤ Guaranteed fit with original APC CP27U13NA3 battery

➤ 1-year warranty for reliable operation


📦🚀 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 CP27U13NA3 Battery — Compatible with APC CP27U13NA3 UPS

Restore dependable backup power to your APC CP27U13NA3 with this compatible, high-quality replacement UPS battery. Designed for reliable performance and peace of mind, this battery delivers the consistent output you need for critical equipment and protects against data loss and downtime. Whether you are replacing an aging cell or stocking a spare, this long-lasting battery is built to meet original manufacturer expectations in compatibility, safety, and performance.

Key Specifications

  • Package contains: 1 battery
  • Chemistry: SLA Chemistry
  • Technology: Absorption Glass Mat (AGM) Sealed Battery Technology
  • Guaranteed compatibility with original battery
  • UL certified (Underwriters Laboratories)
  • Warranty: 1-year Warranty
  • Volts: 12 V
  • Amp Hours: 7.5 AH
  • Weight: 5.25 Lbs
  • Length: 5.95 In
  • Width: 2.56 In
  • Height: 3.7 In
  • Terminal: F2
  • Brand/Spec Sheet Reference: SigmasTek UPS Batteries Spec Sheets
  • Shipping Methods: UPS Ground and USPS
  • Shipping Time: We ship in 1 business day for all in-stock items

Benefits

This replacement UPS battery is engineered for durability and dependable service life. The AGM construction provides superior vibration resistance and leak-free operation compared to flooded lead-acid options, making it a robust choice for home and office UPS systems. As a high-performance UPS battery, it offers reliable discharge characteristics and consistent voltage delivery that help your APC CP27U13NA3 maintain runtime under load.

Expect long life from a battery designed to meet or exceed original manufacturer specifications. The sealed design reduces maintenance needs — no watering or special handling — and the UL certification confirms safety and quality adherence. Typical applications include UPS backup for networking equipment, desktop computers, point-of-sale systems, home theater components, emergency lighting, and small critical tools that require a steady 12 V power source.

Installation is straightforward: replace the old battery in the same configuration and reuse your existing cables and hardware. Always verify dimensions before ordering, as manufacturers may update specifications without notice. If you need assistance identifying the correct replacement or walkthrough help, customer service is available by email, chat, or toll-free at (800) 657-1303.

Ready to upgrade your APC CP27U13NA3 with a reliable, long-lasting battery? Purchase this replacement UPS battery now to ensure uninterrupted protection and performance.


Payment & Security

Payment methods

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