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SigmasTek  |  SKU: BW-2053

APC AP2000 UPS High Performance Replacement Battery Set

Sale price $14.99 USD Regular price $20.55
Shipping calculated at checkout.

➤ Replacement set with 2 SigmasTek SP6-4.5 batteries (6 Volts 4.5 AH) for APC AP2000

➤ High rate discharge batteries for reliable UPS operation

➤ Valve regulated spill-proof construction for safe use

➤ Low self-discharge and high vibration resistance

➤ U.L. recognized, CE certified, and includes 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

6 Volts | 4.5 AH

Terminal Type

F1

SigmasTek SP6-4.5 Replacement Battery Set for APC AP2000

Restore the backup capability of your APC AP2000 with this brand-new replacement UPS battery set. Designed to deliver consistent, short-duration power when it matters most, the SigmasTek SP6-4.5 batteries provide dependable, factory-fresh performance for your AP2000 unit. These replacement batteries are tested to meet or exceed OEM specifications and are ideal for users seeking a reliable, high-performance UPS battery option.

Key Specifications

  • Included quantity: 2 batteries (battery set)
  • Battery model: SigmasTek SP6-4.5
  • Voltage: 6 Volts
  • Capacity: 4.5 AH (amp-hours)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatibility note: Requires use of existing cables and hardware from original configuration
  • Testing: Technically tested to meet or exceed OEM specifications
  • Typical shipping: Orders for in-stock items typically ship within 24 hours

Benefits

  • Built for reliability: Valve-regulated construction and certification by U.L. and CE mean these cells are manufactured to recognized safety and quality standards suitable for the APC AP2000.
  • Long-lasting performance: Low self-discharge helps preserve capacity during storage and standby, contributing to a long-lasting battery experience and dependable readiness for power outages.
  • High-power capability: The high rate discharge design ensures the AP2000 has access to immediate, high-current output during brief but critical power interruptions — a true high-performance UPS battery for demanding moments.
  • Robust under stress: High vibration resistance makes these batteries suitable for environments where movement or mechanical stress may occur.
  • Versatile applications: Ideal for use in UPS systems such as the APC AP2000, emergency power systems, and battery-powered tools that require reliable short-term power.
  • Easy replacement: These batteries are sold as factory-fresh, tested units; installation requires reusing your existing cables and hardware for a smooth swap.

For a dependable, certified replacement UPS battery for your APC AP2000, choose the SigmasTek SP6-4.5 set. Backed by a 1 year warranty and fast shipping for in-stock orders, it’s a reliable investment in continued power protection. Buy now to secure a long-lasting, high-performance battery solution for your AP2000.


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