Para Systems Minuteman E 500i UPS High Performance Replacement Battery Set
⚠️ 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 | 5.5 Ah
Terminal Type
F2
SigmasTek SP12-5.5HR Replacement Battery Set for Para Systems Minuteman E 500i UPS
Replace worn batteries with a reliable, high-performance solution engineered for the Para Systems Minuteman E 500i. This replacement UPS battery set includes two SigmasTek SP12-5.5HR cells designed to restore runtime, maintain peak output under load, and deliver dependable backup power for your UPS, emergency systems, and battery-powered tools. Built for performance and tested to meet or exceed OEM expectations, these brand new, factory fresh batteries offer the trusted reliability you need for mission-critical equipment.
Key Specifications
- Battery Model: SigmasTek SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 AH (Amp-hours)
- Quantity: 2 batteries per set
- Terminal: F2
- 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
Benefits
- Durability: Constructed with valve-regulated, spill-proof technology and high vibration resistance to withstand the stresses of UPS cabinets and transport.
- Long Life: Low self-discharge characteristics help preserve stored capacity during standby periods, contributing to a long-lasting battery replacement for your system.
- High Performance: The high rate discharge design ensures the batteries can deliver higher power output for short durations—ideal for support during power transitions and surge events.
- Reliable Certification: U.L. recognition and CE certification provide assurance that this high-performance UPS battery meets established safety and quality standards.
- OEM-Level Replacement: Each set is factory fresh and tested by experienced technicians to meet or exceed OEM specifications for the Para Systems Minuteman E 500i UPS model.
- Typical Applications: Specifically suited for Uninterruptible Power Supply (UPS) units like the Minuteman E 500i, emergency power supply systems, and compatible battery-powered tools requiring a stable, long-lasting battery solution.
Important installation note: this replacement set requires that you reuse all existing cables and hardware from your original configuration to connect the new batteries. Our customer service team is available at if you need assistance selecting or installing your replacement UPS battery. Orders for in-stock items are typically shipped within 24 hours.
Restore full backup capability to your Para Systems Minuteman E 500i with this long-lasting, high-performance UPS battery set. Purchase your replacement UPS battery today and enjoy dependable power, certified safety, and a 1 year warranty.
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