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SigmasTek  |  SKU: BW-5512

APC Back-UPS Pro 650VA BP650SI High Performance UPS Replacement Battery

Sale price $26.03 USD Regular price $37.74
Shipping calculated at checkout.

➤ High rate discharge design for APC Back-UPS Pro BP650SI UPS units

➤ Valve regulated spill-proof construction for leak protection

➤ Low self-discharge extends battery shelf life

➤ High vibration resistance for enhanced durability

➤ U.L. Recognized and CE Certified with 1 year warranty


📦🚀 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 | 12 Ah

Terminal Type

F2

SigmasTek SP12-12HR 12V 12Ah Replacement Battery for APC Back-UPS Pro BP650SI

Restore peak protection for your APC Back-UPS Pro BP650SI with this brand-new SigmasTek SP12-12HR replacement battery. Designed for direct compatibility and engineered for superior output, this high-performance UPS battery gives your BP650SI the dependable runtime and heavy-duty performance required during outages. The battery is factory fresh and extensively tested to ensure it meets or exceeds OEM expectations, making it the ideal swap-in solution for home, office, and professional UPS applications.

Key Specifications

  • Compatible with: APC Back-UPS Pro BP650SI
  • Brand: SigmasTek
  • Model: SP12-12HR
  • Voltage: 12 Volts
  • Capacity: 12 AH
  • Design: High Rate Discharge Design
  • Construction: Valve Regulated Spill Proof Construction
  • Feature: Low Self-discharge
  • Feature: High Vibration Resistance
  • Certifications: U.L. Recognized and CE Certified
  • Performance: Superior Performance
  • Condition: Brand New, Factory Fresh
  • Warranty: 1 Year Warranty

Benefits

  • Long life and durability: Low self-discharge and valve-regulated construction keep the battery ready for service and resistant to premature degradation, delivering a long-lasting battery solution for your BP650SI.
  • High power when you need it: The high rate discharge design supports short bursts of higher power output, making it an excellent high-performance UPS battery for handling surges and sudden load changes.
  • Rugged and reliable: High vibration resistance and spill-proof construction improve durability in everyday environments and during transport or installation.
  • Ready-to-install replacement: This replacement UPS battery is brand new and factory tested; simply reuse your original cables and hardware for a quick, safe swap.
  • Wide range of applications: Ideal for Uninterruptible Power Supply (UPS) units, emergency power supplies, and battery-powered tools that need a reliable 12V 12Ah SLA solution.
  • Certified safety: U.L. recognition and CE certification ensure compatibility with industry safety standards for consumer and commercial UPS systems.

Don’t wait until your APC Back-UPS Pro BP650SI fails — replace the battery now and return your UPS to peak performance. Buy this SigmasTek SP12-12HR replacement UPS battery today for dependable, long-lasting battery life backed by a one-year warranty. Orders for in-stock items typically ship quickly.


Payment & Security

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