APC SRT3000RMXLI 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 | 5.5 Ah
Terminal Type
F2
SigmasTek Replacement Battery Set for APC SRT3000RMXLI
Bring reliable backup power back to your APC SRT3000RMXLI with this full SigmasTek replacement battery kit designed for compatibility and dependable performance. This replacement UPS battery pack supplies the short-duration, high-current output needed for high-rate discharge UPS systems, ensuring your APC SRT3000RMXLI can continue protecting critical electronics and infrastructure. With factory-fresh cells and trusted construction, this long-lasting battery option reduces downtime and restores confidence in your emergency power capabilities.
Key Specifications
- Quantity: 8 batteries per set
- Battery Model: SigmasTek SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 AH
- 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
- Compatibility: Replacement batteries for APC SRT3000RMXLI UPS unit
- Applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools
- Installation Note: Use existing cables and hardware from your original configuration to connect the new UPS batteries
Benefits
This SigmasTek replacement pack is a trusted high-performance UPS battery solution for APC SRT3000RMXLI owners who require reliable, safe power during outages. The high rate discharge design allows the batteries to supply strong bursts of current for brief periods—perfect for UPS transfers and controlled shutdowns. Low self-discharge minimizes maintenance cycles, keeping the pack ready for deployment after prolonged idle periods.
Safety and durability are emphasized through valve regulated, spill-proof construction and high vibration resistance. U.L. recognition and CE certification confirm the batteries meet recognized quality and safety standards. These features combine to create a long-lasting battery investment that helps protect sensitive electronics and reduces the frequency of replacements.
Common applications include swapping out aging packs in UPS units like the APC SRT3000RMXLI, augmenting emergency power systems, or providing dependable short-term power for battery-operated tools. Each set is factory fresh and carefully tested by technical staff to ensure it meets or exceeds OEM performance expectations.
Ready to upgrade the batteries in your APC SRT3000RMXLI? Add this high-performance UPS battery set to your cart now and secure fast shipping and reliable backup power for your critical systems.
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