OPTI-UPS E1400 / 1400E UPS High Performance Compatible Replacement Battery Set
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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 | 12 Ah
Terminal Type
F2
SigmasTek 12 Volts 12 Ah F2 OPTI-UPS — Compatible with E1400
The SigmasTek 12 Volts 12 Ah F2 OPTI-UPS replacement battery is an effective option for the E1400 UPS model, providing robust compatibility and the consistent output required for sensitive equipment. This replacement UPS battery focuses on reliability and ease of installation so you can quickly restore backup power capabilities and minimize the risk of downtime in critical environments.
Key Specifications
- Brand: SigmasTek
- Voltage: 12 Volts
- Capacity: 12 Ah
- Terminal Type: F2
- Compatible UPS Model: E1400
- Product Type: OPTI-UPS replacement
Benefits
As a high-performance UPS battery alternative for the E1400, this SigmasTek unit offers stable voltage regulation and reliable recharge performance so your equipment remains protected when mains power fails. The 12 Ah capacity supports a range of loads, making it appropriate for maintaining essential devices like routers, switches, small servers, and communication gear through brief to moderate outages.
Durability is highlighted through the inclusion of secure F2 terminals and a construction intended to withstand normal cycling and standby scenarios. This long-lasting battery helps reduce total cost of ownership by extending the usable lifespan of your E1400 UPS without compromising performance. The standardized form factor simplifies replacements and spares management for IT staff and facilities teams.
Typical applications include emergency power for security systems, UPS support for point-of-sale and network infrastructure, and auxiliary backup for monitoring and control instruments. The battery serves well in environments that demand dependable, continuous protection and where quick, safe swaps are necessary to maintain service levels.
If you need a reliable route to restore E1400 runtime quickly, the SigmasTek 12 Volts 12 Ah F2 OPTI-UPS replacement provides a practical and performance-minded solution designed to match the E1400’s power profile.
Don’t wait for the next outage—order this replacement UPS battery now to ensure your E1400 remains fully protected and operational.
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