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SigmasTek  |  SKU: BW-4979

Deltec 2056C-2 UPS High Performance Replacement Battery

Sale price $89.99 USD Regular price $130.48
Shipping calculated at checkout.

➤ High rate discharge design for powerful short bursts

➤ Valve regulated spill proof construction for safe operation

➤ Low self-discharge extends battery shelf life

➤ High vibration resistance ensures durability in tough conditions

➤ U.L. recognized and CE certified for quality assurance


📦🚀 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 | 26 Ah

Terminal Type

Nut & Bolt

SigmasTek SP12-26 NB Replacement Battery for Deltec 2056C-2

Bring your Deltec 2056C-2 UPS back to full backup capability with the SigmasTek SP12-26 NB replacement UPS battery (12 Volts, 26 AH). This high-performance UPS battery is purpose-built for high rate discharge situations and delivers a dependable, long-lasting battery solution for UPS systems and emergency applications. Note: installation requires reuse of your original cables and hardware for proper connection.

Key Specifications

  • Brand: SigmasTek
  • Model: SP12-26 NB
  • Voltage: 12 Volts
  • Capacity: 26 AH
  • Terminal Type: Nut & Bolt
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Features: Low Self-discharge
  • Features: High Vibration Resistance
  • Certifications: U.L. Recognized
  • Certifications: CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Compatible UPS Model: Deltec 2056C-2
  • Performance: Superior Performance

Benefits

  • Reliability & Durability: The valve-regulated, spill-proof design and vibration-resistant construction help protect the battery and connected equipment, ensuring reliable operation in mission-critical environments.
  • Long-Lasting Performance: Low self-discharge helps preserve capacity during standby periods, giving you a long-lasting battery that’s ready when power interruptions occur.
  • High Discharge Capability: Designed for high rate discharge, this replacement UPS battery supplies the surge power required by UPS units during transitional power events, making it a true high-performance UPS battery.
  • Compliance & Confidence: U.L. Recognized and CE Certified to meet common safety and regulatory expectations across commercial deployments.
  • Application Flexibility: Ideal for Uninterruptible Power Supply (UPS) units like the Deltec 2056C-2, emergency power supply systems, and battery-powered tools requiring reliable bursts of power.
  • Tested Quality: Each unit is factory fresh and tested to meet or exceed OEM specifications, offering a cost-effective and trustworthy replacement option.

Secure dependable backup power for your Deltec 2056C-2 today. Purchase this long-lasting battery and benefit from a high-performance UPS battery that ships quickly for prompt system restoration.


Payment & Security

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