APC CURK9 UPS High Performance Replacement Battery Set
⚠️ 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 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
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
⚠️ 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 Battery Set for APC CURK9 UPS — SigmasTek SP12-7.5HR (2-Pack)
Ensure continuous protection for your APC CURK9 UPS with this compatible replacement UPS battery set. The included pair of SigmasTek SP12-7.5HR batteries is built to deliver reliable power, excellent short-term discharge capability, and certified safety. If you are searching for a replacement UPS battery that offers dependable performance and a long-lasting battery life, this set is a practical and cost-effective solution for the APC CURK9.
Key Specifications
- Compatible UPS Model: APC CURK9
- Battery Brand: SigmasTek
- Battery Model: SP12-7.5HR
- Quantity: 2 batteries (replacement set)
- Voltage: 12 Volts
- Capacity: 7.5 AH (amp-hours)
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Features: Low Self-discharge; High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Typical Applications: Uninterruptible Power Supply (UPS) Units; Emergency Power Supply; Battery Powered Tools
- Installation Note: Use all existing cables and hardware from your original configuration to connect the new UPS batteries
Benefits
These SigmasTek batteries are built for endurance and reliability, offering a long-lasting battery solution for your APC CURK9. The valve-regulated, spill-proof construction minimizes maintenance and improves safety for indoor installations. Low self-discharge preserves capacity over time so your backup system remains ready, while high vibration resistance improves resilience in more demanding settings.
The high rate discharge capability makes this high-performance UPS battery set especially useful for UPS units that must provide higher power output over short durations. This characteristic makes the pack ideal for bridging critical loads during transitions, powering emergency systems with immediate needs, and supplying battery-powered tools that require sudden energy bursts.
Every replacement set is brand new, factory-tested, and certified (U.L. recognized and CE certified). Backed by a 1 year warranty and tested to meet or exceed OEM specifications, these batteries offer dependable performance and longevity for everyday or mission-critical applications.
Ready to upgrade your APC CURK9? Order this long-lasting, high-performance replacement UPS battery pair today and enjoy fast fulfillment on in-stock items.
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