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SigmasTek  |  SKU: BW-4907

Alpha Technologies SB 1228 UPS High Performance Replacement Battery

Sale price $92.48 USD Regular price $134.10
Shipping calculated at checkout.

➤ Replacement for Alpha Technologies SB 1228 UPS battery

➤ AGM technology ensures high rate discharge and durability

➤ Maintenance-free and spill-proof for easy handling

➤ Certified by U.L. and CE for safety and performance

➤ 1 year warranty with guaranteed compatibility


📦🚀 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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Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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 | 35 AH

Terminal Type

Nut & Bolt

Replacement SigmasTek 12V 35AH for Alpha Technologies SB 1228

Restore trusted backup power with this replacement UPS battery designed specifically for the Alpha Technologies SB 1228 Uninterruptible Power Supply (UPS). This SigmasTek replacement meets or exceeds OEM SLA specifications to provide reliable runtime, stable voltage, and maintenance-free operation. It’s an ideal choice when you need a high-quality, cost-effective solution to keep critical equipment protected during outages.

Key Specifications

  • Compatible Model: Alpha Technologies SB 1228
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Nut & Bolt
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: High Rate Discharge Design
  • Construction: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Durability: AGM and spill-proof construction ensure the battery withstands typical handling and operational vibration, delivering steady service in UPS and emergency systems.
  • Long Life: Designed for longevity, this long-lasting battery minimizes the frequency of replacements, offering reliable standby power throughout its service life.
  • High Performance: With a high rate discharge design, this unit supplies the surge capacity necessary for short-term, high-power demands found in many UPS applications — making it a trusted high-performance UPS battery.
  • Maintenance-Free Operation: The sealed, maintenance-free design eliminates the need for electrolyte checks, and nut & bolt terminals make installation straightforward and secure.
  • Applications: Ideal for UPS units such as the Alpha Technologies SB 1228, emergency power supplies, and battery-powered tools requiring dependable backup energy.
  • Safety & Compliance: U.L. recognition and CE certification provide assurance of safety and quality, suitable for both professional and home use.

Don’t risk downtime — replace the battery in your Alpha Technologies SB 1228 with this factory-fresh SigmasTek unit. Order now to get a dependable, cost-effective replacement UPS battery backed by a 1 year warranty and ready to deliver the power your systems rely on.


Payment & Security

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