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SigmasTek  |  SKU: BW-1994

CyberPower RB0690X2 High Performance Replacement SLA Battery

Sale price $42.99 USD Regular price $61.35
Shipping calculated at checkout.

➤ Includes 2 brand new SigmasTek SP6-9HR batteries (6V 9AH) for CyberPower RB0690X2 UPS

➤ High rate discharge for short bursts of high power output

➤ Valve regulated and spill-proof for safe, maintenance-free use

➤ Low self-discharge ensures battery readiness when needed

➤ Certified quality with 1 year warranty and OEM spec testing


📦🚀 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

6 Volts | 9 AH

Terminal Type

F2

SigmasTek SP6-9HR Replacement Battery Set for CyberPower RB0690X2 UPS

Keep your CyberPower RB0690X2 performing at peak capacity with this brand new replacement UPS battery set. Specially matched to the RB0690X2, this high-performance UPS battery pack restores protection for connected equipment during power interruptions. Installation requires reuse of your original cables and hardware to ensure a proper and safe connection.

Key Specifications

  • Quantity: 2 batteries (replacement battery set)
  • Model: SigmasTek SP6-9HR
  • Voltage: 6 Volts
  • Capacity: 9 AH (Amp-hours)
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated, Spill Proof
  • Self-discharge: Low Self-discharge
  • Durability: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty
  • Brand: SigmasTek
  • Applications listed: Uninterruptible Power Supply (UPS), Emergency Power Supply, Battery Powered Tools
  • Note: Use existing cables and hardware from the original RB0690X2 configuration

Benefits

This replacement pack provides a reliable, long-lasting battery option for the CyberPower RB0690X2. The high rate discharge design is optimized for UPS systems that require quick delivery of energy during short-duration, high-demand events. Valve-regulated, spill-proof construction ensures safe handling and trouble-free service, while low self-discharge preserves capacity during periods of inactivity.

High vibration resistance reduces the risk of internal damage from movement or vibration in mobile or rack-mounted setups. Certified by U.L. and CE, these batteries deliver trusted performance and adherence to recognized safety standards. As a high-performance UPS battery, this set is ideal for maintaining uptime for critical electronics, supporting emergency power systems, and powering compatible battery-operated tools when required.

Each set is factory fresh and quality-tested to meet or exceed OEM expectations, offering an economical and trustworthy replacement solution. Because installation uses your existing RB0690X2 cables and hardware, swapping the batteries is straightforward and cost-effective.

Purchase this replacement UPS battery set for the CyberPower RB0690X2 today to restore dependable backup power. Fast shipping is available for in-stock items—order now for a reliable, long-lasting battery replacement.


Payment & Security

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