APC SMART-UPS SU3000TNET UPS High Performance Replacement Battery Set
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⚠️ 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 | 18 Ah
Terminal Type
Nut & Bolt
SigmasTek SP12-18HR Replacement Battery Set for APC SMART-UPS SU3000TNET
Upgrade the backup power in your APC SMART-UPS SU3000TNET with a robust replacement UPS battery set designed for reliability and performance. This kit includes four SigmasTek SP12-18HR batteries (12 Volts, 18 AH) that are brand new and factory tested for consistent output and superior performance. Built for high rate discharge applications, these batteries deliver dependable support during peak demand and transient events. Be sure to reuse the existing cables and hardware from your original battery configuration when installing into the APC SMART-UPS SU3000TNET.
Key Specifications
- Quantity: 4 batteries per set
- Model: SigmasTek SP12-18HR
- Voltage: 12 Volts
- Capacity: 18 AH (amp-hours)
- Terminal Type: Nut & Bolt
- Compatibility: APC SMART-UPS SU3000TNET
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof
- 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
Benefits
These SigmasTek batteries are a trusted, high-performance UPS battery option for the APC SMART-UPS SU3000TNET. Their high rate discharge capability ensures the surge and sustained power required during short-duration high loads, making them an excellent choice as a replacement UPS battery in data centers, telecom closets, and industrial environments. Low self-discharge extends shelf life and readiness, while valve-regulated, spill-proof construction adds safety and simplifies maintenance. Robust vibration resistance makes these batteries suitable for demanding installations where mechanical stress can shorten lesser units’ lifespans.
As a long-lasting battery solution, this set supports typical applications such as Uninterruptible Power Supply (UPS) units, emergency power supply systems, and battery-powered tools that need reliable bursts of current. Our technical team individually tests each battery to ensure performance that meets or exceeds OEM expectations, delivering a dependable alternative to the original pack without sacrificing runtime or safety compliance.
Don’t wait until runtime degrades — replace your APC SMART-UPS SU3000TNET batteries today with this high-performance UPS battery kit. Buy now to secure fast shipping and a 1 year warranty for peace of mind.
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