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SigmasTek  |  SKU: BW-3510

Leadman UPS 500 UPS Compatible Replacement Battery Set

Sale price $29.82 USD Regular price $37.67
Shipping calculated at checkout.

➤ Includes 2 SigmasTek SP12-7.5HR batteries (12V, 7.5 AH) for Leadman UPS 500

➤ High rate discharge supports emergency and UPS power needs

➤ Valve regulated, leak-proof construction for safety

➤ Low self-discharge preserves battery charge over time

➤ OEM tested and covered by 1 year warranty


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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 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

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: 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

SigmasTek SP12-7.5HR Replacement Battery Set for Leadman UPS 500

Specifically intended for the Leadman UPS 500, this two-pack SigmasTek SP12-7.5HR replacement UPS battery set restores dependable backup power where it matters. Built for high-rate discharge events and safe, maintenance-free operation, these brand new batteries offer a practical and cost-effective way to return your Leadman UPS 500 to reliable service. Choose a proven replacement UPS battery to maintain uptime for critical equipment.

Key Specifications

  • Brand: SigmasTek
  • Battery Model: SP12-7.5HR
  • Quantity: 2 batteries (battery set)
  • Voltage: 12 Volts
  • Capacity: 7.5 AH
  • Terminal Type: F2
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof
  • Features: Low Self-discharge, High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year
  • Compatibility: Leadman UPS 500
  • Applications: Uninterruptible Power Supply (UPS) units, Emergency Power Supply, Battery Powered Tools
  • Note: Use existing cables and hardware from original configuration to connect new batteries

Benefits

These SigmasTek SP12-7.5HR batteries provide a high-performance UPS battery option tailored for the short-duration, high-current demands of UPS systems like the Leadman UPS 500. The high rate discharge design ensures the batteries can deliver higher power output when required, and the valve regulated, spill proof construction offers a safe, maintenance-free experience for installations in cabinets and enclosures.

Offering a long-lasting battery solution, the low self-discharge characteristic helps preserve capacity during storage, and the high vibration resistance enhances durability in mounted or mobile setups. Certified by U.L. and CE for safety and quality, each battery arrives brand new and factory tested to ensure consistent, superior performance. Typical applications include protecting servers and network gear in UPS systems, supplying emergency power to essential circuits, and powering battery-operated tools that need a reliable burst of energy.

Our technically experienced team tests every battery and stands ready to help with selection or installation. For assistance, contact customer service at or e-mail us.

Don’t wait — replace the batteries in your Leadman UPS 500 with the SigmasTek SP12-7.5HR replacement UPS battery set today. Orders for in-stock items typically ship within 24 hours. Purchase now to secure a high-performance, long-lasting battery upgrade.



Payment & Security

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