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SigmasTek  |  SKU: BW-1601

Computer Accessories PowerSaver 800 High Performance Compatible Replacement Battery Set

Sale price $183.99 USD Regular price $262.04
Shipping calculated at checkout.

➤ Package includes 2 replacement 12V 35AH UPS batteries with NB terminals

➤ Uses Absorption Glass Mat (AGM) sealed battery technology for durability

➤ UL certified for guaranteed safety and reliability

➤ Compatible with original battery set, reuses existing cables and hardware

➤ 1-year warranty ensures quality and performance satisfaction


📦🚀 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

Computer Accessories PowerSaver 800 - Replacement UPS Battery (2-Pack)

Restore dependable runtime and protect your equipment with this compatible replacement UPS battery set for the Computer Accessories PowerSaver 800. Designed to match or exceed the original specifications, these two 12V 35AH sealed AGM batteries deliver reliable performance, consistent power delivery, and proven durability for your UPS system. Whether you need a long-lasting battery for critical home servers, office workstations, or network equipment, this high-performance UPS battery set offers the compatibility and quality you expect.

Key Specifications

  • Package contains: 2 batteries
  • Volts: 12 V
  • Amp Hours: 35 AH
  • Weight: 49.4 Lbs (total per battery as specified)
  • Length: 7.72 In
  • Width: 5.14 In
  • Height: 6.14 In
  • Terminal: NB (Nut & Bolt)
  • Chemistry: SLA (Sealed Lead Acid)
  • Technology: AGM (Absorption Glass Mat) Sealed Battery Technology
  • Certification: UL (Underwriters Laboratories) certified
  • Compatibility: Guaranteed compatibility with original battery set for Computer Accessories PowerSaver 800
  • Warranty: 1-year Warranty
  • Brand / Spec Sheet: SigmasTek

Benefits

  • Durability: AGM construction provides a robust, leak-proof design that resists vibration and is maintenance-free for consistent long-term reliability.
  • Long life: With SLA chemistry and quality manufacturing, this long-lasting battery offers stable capacity and dependable cycles for extended service life compared with lower-grade replacements.
  • High performance: Engineered to meet or exceed original equipment specifications, this high-performance UPS battery maintains stable voltage under load to support clean switchover and sustained backup runtime.
  • Direct fit: Designed for the Computer Accessories PowerSaver 800 and sold as a complete 2-pack so you receive a matched set for balanced charging and optimal UPS performance.
  • Safe and certified: UL certified and built with AGM technology for safe sealed operation in enclosed UPS cabinets and telecom or server closets.
  • Versatile applications: Ideal for UPS backup, emergency power systems, security equipment, telecommunications, medical backup devices, and power tools that require reliable sealed lead-acid batteries.
  • Easy installation: Reuse existing cables and hardware and install the new batteries in the same original configuration; check dimensions before ordering in case of manufacturer changes.

This replacement UPS battery 2-pack for the Computer Accessories PowerSaver 800 gives you peace of mind with proven AGM technology, UL certification, and a 1-year warranty. If you require only a single battery, please visit our UPS Batteries by V and AH section to select the single unit you need. For assistance, contact customer service via email, chat, or call toll free at (800) 657-1303. Purchase this trusted, long-lasting battery set today to keep your PowerSaver 800 operating at peak performance.


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