Universal Power UB1234 (D5740) High Performance Replacement Battery
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⚠️ 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 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 | 3.5 Ah
Terminal Type
F1
Universal Power UB1234 (D5740) Battery Replacement
This replacement battery for the Universal Power UB1234 (D5740) is engineered to deliver reliable compatibility, consistent performance, and proven durability. Designed as a direct-fit alternative to the OEM pack, this high-performance battery uses AGM technology to provide dependable power in applications that demand consistent output and maintenance-free operation. If you need a long-lasting battery that restores full functionality to your Universal Power UB1234 (D5740) system, this replacement battery offers the quality and reliability you expect.
Key Specifications
- Model Compatibility: Universal Power UB1234 (D5740)
 - Brand: SigmasTek
 - Voltage: 12 Volts
 - Capacity: 3.5 Ah
 - Terminal Type: F1
 - Battery Type: Sealed Lead Acid (SLA)
 - Technology: Absorbent Glass Mat (AGM) Technology
 - Design: Maintenance-Free with Spill Proof Construction
 - Certifications: U.L. Recognized and CE Certified
 - Condition: Brand New, Factory Fresh
 - Warranty: 1 Year Warranty
 
Benefits
This replacement battery is built for durability and long life. The AGM design provides strong vibration resistance and stable output over many charge cycles, making it a long-lasting battery choice for demanding environments. As a high-performance battery, it supports rapid charge acceptance and steady discharge characteristics to keep your devices running when you need them most.
The maintenance-free, spill-proof construction removes the need for regular electrolyte checks and reduces the risk of leaks, simplifying installation and upkeep. U.L. recognition and CE certification confirm safety and manufacturing standards, giving you confidence in both performance and compliance.
Typical applications for this replacement battery include UPS systems, emergency lighting and power, security systems, medical devices, small-scale renewable backups, alarm systems, and general portable equipment and tools that require reliable 12V power. Its F1 terminal configuration ensures quick, secure connections in compatible housings and devices.
Restore dependable power to your Universal Power UB1234 (D5740) with this high-performance, long-lasting replacement battery. Backed by a 1 Year Warranty and supplied brand new, it’s an affordable, reliable choice to keep critical equipment online. Order now to ensure uninterrupted operation.
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Payment & Security
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