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Brightway Group  |  SKU: BW-0673

Para Systems Alliance A1250/2 High Performance Replacement Battery By Bright Way

Sale price $92.48 USD Regular price $138.73
Shipping calculated at checkout.

➤ 12V 35Ah sealed lead acid battery for Para Systems Alliance A1250/2

➤ Nut and bolt NB terminal for secure connection

➤ Provides reliable, uninterrupted UPS power

➤ Durable and efficient battery technology


📦🚀 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

Nut & Bolt

Bright Way Para Systems Alliance A1250/2 Replacement Battery for Para Systems Alliance A1250/2 UPS

Upgrade your Para Systems Alliance A1250/2 UPS with the Bright Way Alliance A1250/2 replacement battery. Engineered for compatibility and robust performance, this 12V, 35Ah sealed lead acid battery offers the capacity and endurance required to maintain uninterrupted power for larger UPS installations. Designed for dependable service and simple installation, it’s an ideal long-lasting battery solution for demanding backup needs.

Key Specifications

  • Brand: Brightway Group
  • Compatible UPS Model: Para Systems Alliance A1250/2
  • Voltage: 12 Volt
  • Capacity: 35 Amp Hour
  • Terminal Type: NB Terminal
  • Also Listed As: Nut & Bolt
  • Battery Type: Sealed Lead Acid Battery

Benefits

This high-performance UPS battery is built to deliver reliable backup and extended runtime for the Para Systems Alliance A1250/2. With a substantial 35Ah capacity, it provides greater energy reserves for larger loads, making it suitable for medium to large UPS units powering servers, storage arrays, telecom equipment, and mission-critical infrastructure. The sealed lead acid construction ensures maintenance-free operation and safe indoor use.

The NB terminal (Nut & Bolt) system is designed for secure, low-resistance connections that withstand repeated service cycles. This helps to ensure consistent voltage delivery under load and simplifies replacement for technicians performing field maintenance. As a replacement UPS battery, it emphasizes durability, thermal stability, and reliable charge acceptance—key properties for long-lasting battery performance in industrial and IT environments.

Typical applications include enterprise UPS systems, emergency power for data centers, backup power for telecom shelters, and support power for mission-critical control systems. Choosing this Bright Way battery helps protect sensitive electronics from power interruptions and supports graceful shutdowns during extended outages.

Ready to upgrade your Para Systems Alliance A1250/2 with a dependable, long-lasting battery? Purchase this high-performance UPS battery now to restore full backup capacity and protect your critical systems.


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