APC SRT8KRMXLT30 High Performance UPS 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 SRT8KRMXLT30 UPS
Restore full runtime and dependable backup to your APC SRT8KRMXLT30 with this comprehensive replacement UPS battery set. The pack includes 32 SigmasTek SP12-5.5HR batteries (12 Volts, 5.5 AH) engineered for high-rate discharge performance, low self-discharge, and reliable operation in critical UPS and emergency power systems.
Key Specifications
- Battery count: 32 batteries per set
- Battery model: SigmasTek SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 AH (Amp-hours)
- Brand: SigmasTek
- 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
- Compatibility: Replacement batteries for APC SRT8KRMXLT30 UPS
- Applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools
- Installation note: Must use all existing cables and hardware from original configuration to connect the new UPS batteries
- Performance: Superior Performance for high rate discharge UPS applications
Benefits
- Increased uptime — These factory-fresh SigmasTek batteries are tested to provide consistent voltage and capacity under load, giving your APC SRT8KRMXLT30 the runtime it needs to support graceful shutdowns or sustained operation during outages.
- Superior longevity — Thanks to low self-discharge and rugged design, this replacement UPS battery set offers a long-lasting battery solution that maintains readiness and reduces the frequency of pack replacements.
- Performance when it counts — The high rate discharge capability supplies the short-term, high-current energy many UPS systems demand. As a high-performance UPS battery option, this set is geared toward reliability during critical power events.
- Safe, certified quality — U.L. Recognized and CE Certified for industry-standard safety and reliability. Valve regulated spill proof construction enhances handling safety and lowers maintenance concerns.
- Flexible application — Ideal for UPS units, emergency backup power, and battery-driven tools, these batteries are appropriate across IT, industrial, medical, and emergency applications.
Don’t let depleted batteries jeopardize your APC SRT8KRMXLT30’s performance. Purchase this SigmasTek SP12-5.5HR 32-battery replacement UPS battery set now to secure dependable, long-lasting battery backup. Fast shipping on in-stock items ensures you can restore protection quickly.
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