APC ES BACK-UPS BF350-RS UPS Compatible Replacement Battery 3.5 lb
— Ready to ship immediately
Check that your old battery model number and device model to match our description. This makes sure they work together.
We ship your order same day if you buy it before 4 PM EST.
APC ES BACK-UPS BF350-RS UPS Compatible Replacement Battery is backordered and will ship as soon as it is back in stock.
Let customers speak for us
Send Your Battery Photo
Expert Technician 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 BATTERY IMAGE
Product & Solutions Expert
✉ sales@batteryweb.com
Battery Care Tips
Battery Care Tips
🔹 Getting Started
Charge your new battery fully before you use it for the first time. Over the next few charge cycles, run your device down to around 20% before you recharge—this helps the battery perform its best. After that, charge whenever you need to.
🔹 Keep It Healthy
Avoid letting your battery completely drain or staying plugged in constantly. Both extremes wear it out faster. Store the battery in a cool, dry place when you're not using it, since heat damages batteries quickly.
Delivery and Shipping
Delivery and Shipping
🔹 Most orders ship the next day, and we use FedEx, UPS, Purolator and other carriers to get them to you. Lithium batteries have to ship by ground only, not air or USPS. Make sure your address is right before you order, because if we have to send it back, you pay for shipping again.
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.
Volts & Amps
12 Volts | 5.5 Ah
Terminal Type
F2
SigmasTek SP12-5.5HR Replacement Battery for APC ES BACK-UPS BF350-RS UPS
Keep your APC ES BACK-UPS BF350-RS ready for power interruptions with the SigmasTek SP12-5.5HR replacement UPS battery. Built for dependable short-term power delivery and seamless compatibility, this high-performance UPS battery restores runtime and reliability to your APC unit. Whether protecting a home office, network equipment, or critical electronics, this replacement provides the performance and safety you expect from a trusted replacement UPS battery.
Key Specifications
- Model: SigmasTek SP12-5.5HR
- Voltage: 12 Volts
- Capacity: 5.5 Ah (amp-hours)
- Terminal: F2
- Design: High Rate Discharge Design
- Construction: Valve Regulated Spill Proof Construction
- Features: Low Self-discharge
- Features: High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Compatible with: APC ES BACK-UPS BF350-RS UPS
- Brand: SigmasTek
Benefits
- Durability: Valve-regulated, spill-proof build and high vibration resistance ensure reliable performance inside APC enclosures and mobile environments.
- Long life: Low self-discharge helps preserve charge when the unit is idle so this long-lasting battery is ready when you need it most.
- High performance: The high rate discharge design supplies the immediate power needed for UPS applications that require high current over short intervals.
- Safety & compliance: U.L. recognition and CE certification indicate adherence to recognized safety standards for UPS replacement batteries.
- Versatile applications: Ideal for Uninterruptible Power Supply (UPS) units like the APC ES BACK-UPS BF350-RS, emergency power supplies, and battery powered tools that demand short bursts of energy.
- Easy swap: Install using your existing cables and hardware from the original battery—no special tools or adapters needed.
- Tested quality: Factory fresh units tested by experienced staff and covered by a 1 Year Warranty for reliable operation.
Order your replacement battery for the APC ES BACK-UPS BF350-RS today to restore dependable backup power. If you need assistance, contact our customer service team at . Purchase this high-performance UPS battery now and secure fast shipping on in-stock items—protect your equipment with a durable, long-lasting battery.
Technical Specifications
Product Highlights
- Brand Replacement : APC ES
- Manufacturer: SigmasTek
- Product Type: UPS Batteries
- Warranty: 12 Months
- Bulk Orders: sales@batteryweb.com
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.
