For questions, quotes, or help finding the right battery, feel free to email us at sales@batteryweb.com

New collections added! Learn more

🎉 First Order Special 🎉

First-time shoppers get 5% OFF on batteries & accessories!

WELCOME5
Brightway Group  |  SKU: BW-0991

APC Back-UPS 650M BK650MI BK650MUS High Performance Replacement Battery

Sale price $26.03 USD Regular price $39.04
Shipping calculated at checkout.

➤ Compatible with APC Back-UPS 650M, BK650MI, BK650MUS

➤ 12 volts, 12 amp-hours capacity for reliable power

➤ Durable F2 terminals for easy installation

➤ Long-lasting performance and quality


📦🚀 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
POST YOUR IMAGE

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

Bright Way 12V 12Ah F2 Terminal Battery — Compatible with APC Back-UPS 650M, BK650MI, BK650MUS

When your APC Back-UPS 650M, BK650MI or BK650MUS needs a trustworthy power source, the Bright Way 12V 12Ah F2 Terminal Battery is an ideal replacement UPS battery. Engineered for compatibility, dependable performance and reliable backup during outages, this high-performance UPS battery ensures your essential systems—routers, modems, small servers and home office equipment—remain powered when it matters most. With easy installation and consistent voltage output, this Bright Way unit is designed to meet or exceed APC specifications so your APC Back-UPS 650M family of devices can run smoothly and confidently.

Key Specifications

  • Voltage: 12 Volt / 12 Volts
  • Capacity: 12 Amp Hour / 12 Ah
  • Terminal Type: F2 terminal
  • Compatibility: APC Back-UPS 650M, BK650MI, BK650MUS
  • Brand: Bright Way (Brightway Group)
  • Designed As: Replacement UPS battery for APC Back-UPS

Benefits

This Bright Way 12V 12Ah battery delivers a long-lasting battery experience built for repeated charge and discharge cycles. As a high-performance UPS battery designed to match APC OEM performance, it provides stable voltage under load and consistent runtime to protect your devices during short brownouts and full power outages. Durability is a key advantage—this unit uses proven construction to resist corrosion at the F2 terminals and maintain reliable contact over time.

Typical applications include use in UPS systems (especially the APC Back-UPS 650M series), emergency power for network and communication gear, and backup power for point-of-sale systems and small office servers. Whether you need a replacement UPS battery to restore full UPS functionality or a spare to rotate into service, this Bright Way battery offers predictable performance and easy installation via its F2 terminal connections.

Choosing this battery helps maintain uptime for critical tasks and prevents data loss by providing seamless short-term power. It’s a cost-effective way to extend the life of your APC Back-UPS 650M, BK650MI or BK650MUS without compromising on reliability or performance.

Ready to restore dependable backup power? Add this Bright Way replacement UPS battery to your cart now and protect your APC Back-UPS 650M series from unexpected power interruptions.


Payment & Security

Payment methods

  • American Express
  • Apple Pay
  • Diners Club
  • Discover
  • Google Pay
  • Mastercard
  • PayPal
  • Shop Pay
  • Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.