APC CURK7 UPS High Performance Replacement Battery Set
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⚠️ 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 | 18 Ah
Terminal Type
Nut & Bolt
Replacement Battery Set for APC CURK7
Designed for direct compatibility with the APC CURK7 UPS unit, this replacement battery set restores critical backup power and reliability. The kit includes two SigmasTek SP12-18HR batteries that are factory fresh and ready to replace aged or depleted cells. If you rely on your CURK7 for protecting important electronics, these batteries provide a robust, high-performance UPS battery solution that delivers consistent power when it matters most.
Key Specifications
- Included: 2 SigmasTek SP12-18HR batteries
- Voltage: 12 Volts
- Capacity: 18 AH (Amp-hours)
- Terminal: Nut & Bolt
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof
- Features: Low Self-discharge
- Features: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compatibility: APC CURK7 UPS unit
- Note: Use all existing cables and hardware from original configuration to connect the new batteries
Benefits
These replacement batteries offer a long-lasting battery performance profile with the capacity and discharge characteristics required by demanding UPS applications. The high rate discharge design gives your APC CURK7 the ability to deliver higher power over short durations—critical for supporting startup loads, servers, and network equipment. Valve regulated, spill-proof construction enhances safety and simplifies handling, while low self-discharge helps retain capacity during storage periods.
High vibration resistance improves durability in environments that experience mechanical motion or equipment vibration. Use cases include uninterruptible power supply systems like the CURK7, emergency power backup, and battery-powered tools that need dependable bursts of energy. Every battery is brand new, factory-tested, and certified (U.L. and CE) for quality. With a 1 year warranty and validation by our technical staff, these batteries provide a trusted replacement that aims to meet or exceed OEM standards.
Replacing worn batteries before failure reduces the risk of unexpected downtime and keeps critical loads protected. These replacement UPS batteries are tested to deliver consistent runtime and stable operation for residential and commercial UPS installations.
Ready to restore backup power for your APC CURK7? Buy this high-performance, long-lasting replacement UPS battery set today—fast shipping and knowledgeable customer support included.
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