Universal Power UB6120 (D5736) 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
6 Volts | 12 Ah
Terminal Type
F1
Universal Power UB6120 (D5736) Replacement Battery — Compatible with Universal Power UB6120 (D5736)
This replacement battery is precisely crafted to match the Universal Power UB6120 (D5736) specifications, providing reliable, long-term power for backup systems and portable equipment. Utilizing Absorbent Glass Mat (AGM) technology and a sealed, maintenance-free design, the unit delivers consistent, leak-free performance ideal for UPS applications, alarms, and emergency power. If you’re searching for a long-lasting battery replacement for the Universal Power UB6120 (D5736), the SigmasTek version offers high-performance output and a one-year warranty to protect your investment.
Key Specifications
- Model Compatibility: Universal Power UB6120 (D5736)
- Voltage: 6 Volts
- Capacity: 12 Ah
- Terminal Type: F1
- Battery Type: Rechargeable Sealed Lead Acid (SLA)
- AGM Technology: Absorbent Glass Mat
- Design: Maintenance-Free, Spill Proof Construction
- Certifications: U.L. Recognized and CE Certified
- Condition: Brand New, Factory Fresh
- Brand: SigmasTek
- Warranty: 1 Year
Benefits
- Durability: Robust AGM design minimizes internal wear and offers strong resistance to shock and vibration for dependable field performance.
- Long Life: Maintenance-free operation removes the hassle of regular servicing while delivering extended standby and cyclic life.
- High Performance: Low internal resistance and steady voltage delivery make this a high-performance battery suited for sensitive electronics and timed loads.
- Certified Safety: U.L. recognized and CE certified for peace of mind during installation and operation in regulated environments.
- Versatile Applications: Ideal for small UPS systems, emergency lighting, security and alarm systems, medical equipment (when compatible), and other 6V/12Ah applications.
- Plug-and-Play Replacement: Direct-fit F1 terminal configuration and OEM-equivalent dimensions simplify installation as a Universal Power UB6120 (D5736) replacement battery.
Ready to restore reliable backup power? Buy this high-performance, long-lasting replacement battery for the Universal Power UB6120 (D5736) today and enjoy SigmasTek quality with a 1-year warranty.
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