APC Back-UPS 650 BK650S High Performance UPS Replacement Battery
Couldn't load pickup availability
⚠️ 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 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
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
⚠️ 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 SP12-12 Replacement Battery for APC Back-UPS 650 BK650S
Ensure uninterrupted protection for your APC Back-UPS 650 BK650S with a premium replacement UPS battery that delivers on reliability and performance. The SigmasTek SP12-12 (12 Volts 12 AH) is crafted to provide a dependable power source for your BK650S, offering a high-performance UPS battery solution that restores runtime and keeps essential devices running through short-term outages. This replacement has been optimized for compatibility and endurance, making it an excellent choice for users seeking a long-lasting battery replacement for their APC UPS.
Key Specifications
- Battery Model: SigmasTek SP12-12
- Voltage: 12 Volts
- Amp-Hours: 12 AH
- Compatible UPS Model: APC Back-UPS 650 BK650S
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- 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
Benefits
- Robust Construction: Valve-regulated, spill-proof construction prevents leaks and simplifies maintenance, while high vibration resistance supports reliable operation in a variety of installations.
- Reliable Performance: The high rate discharge design provides the extra power needed for transient heavy loads, delivering consistent uptime for the APC Back-UPS 650 BK650S in critical moments.
- Long Service Life: Low self-discharge helps retain capacity over time ensuring the battery remains ready for duty, qualifying it as a long-lasting battery replacement option.
- Safety Assured: U.L. recognition and CE certification indicate adherence to recognized safety and performance standards for UPS replacement batteries.
- Multiple Uses: Ideal for UPS units, emergency power systems, and battery-powered tools that require dependable 12 V 12 AH performance.
- Plug-and-Play Replacement: Designed for direct fit and function — retain your original cables and hardware to install quickly and safely.
- Quality Tested: Each SigmasTek unit is tested to meet or exceed OEM standards so you can rely on it as a high-performance UPS battery for the BK650S.
Don’t leave your protection to chance — replace your APC Back-UPS 650 BK650S battery with the SigmasTek SP12-12 today. Purchase now to secure a long-lasting battery that restores full UPS functionality; in-stock orders typically ship within 24 hours.
-
Voltage
-
Amp Hours
-
Terminal Type
-
Length (in.)
-
Width (in.)
-
Height (in.)
-
Weight (lb.)
-
Warranty
-
Type
-
Manufacturer
-
Brand Replacement
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.