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SigmasTek  |  SKU: BW-15939

AJC D33S IT Compatible Replacement Battery

Sale price $91.99 USD Regular price $137.18
Shipping calculated at checkout.

➤ Compatible replacement for AJC D33S IT model

➤ Uses Absorbent Glass Mat (AGM) technology for enhanced performance

➤ Maintenance-free and spill-proof design for safety and convenience

➤ U.L. Recognized and CE Certified for quality assurance

➤ Includes 1-year warranty for reliable peace of mind


📦🚀 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 | 35 AH

Terminal Type

Internal Thread

AJC D33S IT Replacement Battery — Compatible with AJC D33S IT

Engineered for seamless compatibility with the AJC D33S IT model, this replacement battery combines robust performance, proven reliability, and maintenance-free convenience. If you need a dependable power source for point-of-sale devices, backup units, or other critical electronics, the AJC D33S IT replacement battery offers the consistent voltage and endurance required to keep systems online when they matter most.

Key Specifications

  • Model Compatibility: AJC D33S IT
  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Capacity: 35 AH
  • Terminal Type: Internal Thread
  • Battery Type: Rechargeable Sealed Lead Acid (SLA)
  • Technology: Absorbent Glass Mat (AGM) Technology
  • Design: Maintenance-Free with Spill Proof Construction
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Durability: Built with AGM technology and a spill-proof, maintenance-free design, this replacement battery withstands demanding conditions and provides stable operation across many applications.
  • Long life: As a long-lasting battery option, the sealed lead acid construction and new factory-fresh condition help ensure dependable cycle life and storage reliability.
  • High performance: With a 12 Volt, 35 AH rating, this high-performance battery supplies reliable power for devices requiring sustained current and consistent voltage output.
  • Safety and compliance: U.L. Recognition and CE Certification demonstrate adherence to safety standards for both commercial and consumer deployments.
  • Typical applications: Perfect for UPS backup systems, emergency power supplies, alarm systems, industrial equipment, payment terminals, and other devices originally fitted with the AJC D33S IT.
  • Installation ease: Internal thread terminals match the original AJC D33S IT installation style, ensuring a secure and proper fit.

When you need a reliable replacement battery that balances safety, longevity, and high performance for your AJC D33S IT device, this SigmasTek option is an excellent choice. Buy now to restore dependable power and avoid unexpected downtime.



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