APC SU1400RMXLIB3U UPS High Performance Replacement Battery Set
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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 SU1400RMXLIB3U Uninterruptible Power Supply (UPS)
Keep your APC SU1400RMXLIB3U running at peak performance with this brand new replacement battery set. Designed for reliable compatibility and superior power delivery, this kit includes four SigmasTek SP12-7.5HR cells to restore runtime and protect critical equipment. Whether you need a replacement UPS battery for data center racks, network closets, or mission-critical servers, this high-performance UPS battery set delivers dependable, long-lasting battery power and industry-standard safety certifications.
Key Specifications
- Compatible UPS Model: APC SU1400RMXLIB3U
- Quantity: 4 batteries per set
- Battery Model: SigmasTek SP12-7.5HR
- Voltage: 12 Volts
- Capacity: 7.5 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
- Installation Note: Use all existing cables and hardware from original configuration
Benefits
- Durability and Safety: These SigmasTek cells feature valve regulated, spill-proof construction and high vibration resistance for secure, worry-free operation in rackmount UPS systems and harsh environments.
- High Performance When It Matters: Specifically engineered for high rate discharge applications, this high-performance UPS battery kit supplies the extra surge power required for short-duration, high-load events — ideal for UPS units like the APC SU1400RMXLIB3U.
- Long Life and Low Maintenance: Low self-discharge characteristics and factory-fresh manufacturing help ensure a long-lasting battery experience — a true long-lasting battery option when you need reliable runtime.
- Certified Reliability: U.L. recognition and CE certification confirm the batteries meet established safety and quality benchmarks for professional installations.
- Versatile Applications: Perfect for Uninterruptible Power Supply (UPS) units, emergency power systems, and battery-powered tools where dependable backup energy and quick power delivery are required.
- Tested to OEM Standards: Each replacement UPS battery set is tested to meet or exceed OEM specifications so you can restore system performance with confidence.
- Easy Replacement: This kit requires reuse of your existing cables and hardware, simplifying installation and minimizing downtime.
Ready to restore reliable runtime to your APC SU1400RMXLIB3U? Order this replacement UPS battery set today and benefit from fast shipping (in-stock orders typically ship within 24 hours), a 1 year warranty, and expert support. Purchase now to secure a high-performance UPS battery solution and extend the life of your UPS with a long-lasting battery replacement.
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