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SigmasTek  |  SKU: BW-2285

APC Back-UPS 600 BK600I UPS High Performance Replacement Battery Set

Sale price $32.99 USD Regular price $48.09
Shipping calculated at checkout.

➤ Includes 2 SigmasTek SP6-12HR batteries (6V 12AH) for APC 600 BK600I

➤ High rate discharge design supports emergency power needs

➤ Valve regulated, spill-proof for safe and clean use

➤ Low self-discharge extends operational readiness

➤ Certified and backed by a 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 | 12 Ah

Terminal Type

F2

SigmasTek SP6-12HR Replacement Battery Set for APC 600 BK600I

Maintain continuous protection for your APC 600 BK600I with this compatible replacement UPS battery set. Designed for dependable operation and tested for performance, the pack returns your UPS to optimal working condition and provides the reliability required in residential and small-office environments.

Key Specifications

  • Included: 2 x SigmasTek SP6-12HR batteries
  • Voltage: 6 Volts
  • Capacity: 12 AH (Amp-hour)
  • 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
  • Note: Use all existing cables and hardware from your original configuration to connect the new UPS batteries

Benefits

  • Engineered durability: the valve-regulated, spill-proof design and vibration resistance combine for a robust, maintenance-free replacement that stands up to everyday use.
  • The high rate discharge design ensures immediate power delivery during brief but intense load demands, providing the performance needed for intelligent load management on the APC 600 BK600I.
  • Low self-discharge helps preserve stored capacity and extends service life, keeping this set a practical, long-lasting battery option for scheduled maintenance or emergency replacement.
  • This high-performance UPS battery set is suitable for Uninterruptible Power Supply (UPS) units, emergency power applications, and battery-powered tools—versatile across common backup scenarios.
  • With U.L. and CE certifications and a one-year warranty, you can purchase with confidence knowing the replacement meets recognized safety standards.
  • Quick shipping and factory-fresh condition mean reduced downtime and immediate restoration of your APC 600 BK600I backup capabilities.

Do not compromise uptime—this replacement UPS battery set offers a reliable, tested path to restore power protection. Use your existing cables and hardware for straightforward installation and fast return to service.

Order this long-lasting battery set for your APC 600 BK600I today to secure a high-performance UPS battery that delivers dependable backup power and peace of mind.


Payment & Security

Payment methods

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