Conext CNB750 (12V 12AH) UPS High Performance Replacement Battery
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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 | 12 Ah
Terminal Type
F2
SigmasTek SP12-12HR 12V 12Ah Replacement Battery for Conext CNB750
Specifically designed for the Conext CNB750 (12V 12AH) UPS, the SigmasTek SP12-12HR replacement battery offers superior performance and compatibility. This replacement UPS battery is engineered for high rate discharge UPS applications where short bursts of elevated power are required. It meets or exceeds OEM SLA specifications and provides a reliable, long-lasting battery option for protecting equipment and maintaining uptime.
Key Specifications
- Compatible UPS Model: Conext CNB750 (12V 12AH)
- Brand: SigmasTek
- Model: SP12-12HR
- Voltage: 12 Volts
- Capacity: 12 AH
- Design: High Rate Discharge Design
- Construction: Valve Regulated, Spill Proof Construction
- Special Features: Low Self-discharge; High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Performance: Superior Performance
- Condition: Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Typical Applications: Uninterruptible Power Supply (UPS) Units; Emergency Power Supply; Battery Powered Tools
Benefits
The SigmasTek SP12-12HR is built for durability and consistent output under demanding conditions. Its valve-regulated, spill-proof construction and low self-discharge characteristics help preserve capacity during storage and extend usable life, making it a true long-lasting battery choice for your Conext CNB750. High vibration resistance and superior performance attributes ensure dependable operation in environments where mechanical stress or repeated cycling might otherwise reduce battery life.
This high-performance UPS battery is especially suited for UPS systems that require short-duration, high-current support—exactly the scenario the Conext CNB750 often encounters. The SP12-12HR’s high rate discharge design delivers the immediate power required during abrupt load changes and brief outages, restoring stable output to connected devices and maintaining equipment integrity. U.L. and CE certifications verify safety and manufacturing standards, and the brand new, factory-fresh condition ensures you receive full rated capacity.
Installation note: To ensure proper connection, use all existing cables and hardware from your original configuration when replacing the battery in your Conext CNB750. Our technical staff tests every battery to guarantee it meets or exceeds OEM specifications, giving you confidence in performance and reliability.
Ready to upgrade or replace your Conext CNB750 battery? Purchase this high-performance, long-lasting replacement UPS battery today to restore dependable backup power and prolong the life of your UPS system.
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