PowerWare PW9125-48VDC 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 | 75 AH
Terminal Type
Internal Thread
SigmasTek SP12-75 IT 4-Pack Replacement for PowerWare PW9125-48VDC UPS
This replacement battery set contains four SigmasTek SP12-75 IT units specifically selected for the PowerWare PW9125-48VDC Uninterruptible Power Supply (UPS) system. Carefully matched and brand new, this 4-pack restores 48V battery banks with reliable compatibility, strong performance, and the safety of valve-regulated, spill-proof construction. If you are replacing an aging battery string or preparing a UPS for critical duty, this high-performance UPS battery set is engineered to meet the PowerWare PW9125-48VDC requirements.
Key Specifications
- Brand: SigmasTek
- Model: SP12-75 IT
- Voltage (per battery): 12 Volts
- Capacity (per battery): 75 AH
- Quantity: 4 batteries (suitable for 48V systems)
- Terminal Type: Internal Thread
- 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
- Installation Note: Use existing cables and hardware from original configuration to connect the new UPS batteries
Benefits
- Packaged for 48V systems: This 4-pack of SP12-75 IT batteries is tailored for systems like the PowerWare PW9125-48VDC, providing balanced performance across the full battery string and simplifying replacement with matched, fresh cells.
- Consistent high-performance delivery: With a high rate discharge design, these batteries support the sudden power demands of servers and critical infrastructure—making them a dependable high-performance UPS battery solution for short-duration, high-current events.
- Long-lasting, low-maintenance operation: Low self-discharge characteristics help preserve charge during standby, and valve-regulated construction reduces maintenance needs, translating into a long-lasting battery investment.
- Safety and ruggedness: Internal thread terminals, high vibration resistance, and U.L./CE recognition ensure secure connections and reliable operation in rack-mounted or compact UPS installations.
- Flexible applications: Ideal for Uninterruptible Power Supply (UPS) units such as the PowerWare PW9125-48VDC, emergency power supplies, and battery-powered tools that demand reliable burst energy.
Replace your PowerWare PW9125-48VDC battery bank with this SigmasTek SP12-75 IT 4-pack for proven performance and a long-lasting battery solution. Order now to secure fast shipping and restore full UPS runtime.
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