APC SURT6KRMXL3U-TF5 UPS High Performance Replacement Battery Set
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🔹 Please ensure the original battery model number is listed in our product description and that your device model number matches for compatibility.
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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 | 5.5 Ah
Terminal Type
F2
Replacement Battery Set for APC SURT6KRMXL3U-TF5
Bring your APC SURT6KRMXL3U-TF5 back to peak performance with this complete replacement UPS battery set. Designed to be fully compatible with the SURT6KRMXL3U-TF5, these batteries provide reliable, consistent power to keep critical systems online during outages. If you require a high-performance UPS battery that delivers dependable emergency power and long service life, this long-lasting battery solution is an excellent fit for your UPS maintenance or replacement needs.
Key Specifications
- Quantity: 16 batteries per set
- Battery Model: SigmasTek SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 AH (Amp-hours)
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Feature: Low Self-discharge
- Feature: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Brand: SigmasTek
- Note: Use existing cables and hardware from original configuration to connect new UPS batteries
Benefits
This replacement UPS battery set is optimized for durability and reliable output. The high rate discharge construction enables the pack to deliver increased power for short durations, which is particularly useful when the UPS must support heavy start-up currents or transient loads. As a high-performance UPS battery option, these cells are suitable for protecting servers, telecom gear, storage arrays, and other mission-critical equipment in data centers and IT closets.
Valve regulated, spill-proof construction enhances safety and reduces maintenance demands, while low self-discharge characteristics ensure the pack remains ready after storage. The batteries’ high vibration resistance and certifications (U.L. Recognized and CE Certified) support use in a variety of operational settings. Our technicians individually test each battery assembly to verify performance and longevity, ensuring you receive a long-lasting battery pack that meets or exceeds OEM expectations.
Applications include Uninterruptible Power Supply (UPS) units, emergency power systems, and battery powered tools—anywhere reliable temporary power is necessary. For installation, be sure to reuse the existing cables and hardware from your original SURT6KRMXL3U-TF5 configuration to ensure proper fit and connection. If you need assistance selecting the right replacement, call our knowledgeable support team at or e-mail us for help.
Protect your equipment and restore uptime by ordering this replacement UPS battery set for the APC SURT6KRMXL3U-TF5 today. Purchase now for a high-performance, long-lasting battery solution backed by a 1 year warranty and fast shipping.
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