OPTI-UPS ON910 UPS Compatible 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 | 18 Ah
Terminal Type
Nut & Bolt
SigmasTek SP12-18HR 12V 18Ah Replacement Battery — Compatible with OPTI-UPS ON910
Designed specifically for the OPTI-UPS ON910 Uninterruptible Power Supply, the SigmasTek SP12-18HR 12V 18Ah replacement battery provides dependable backup power and excellent discharge characteristics. This valve-regulated, spill-proof unit is a high-performance UPS battery that combines low self-discharge and high vibration resistance for reliable service in demanding environments. If your OPTI-UPS ON910 needs a replacement cell, this factory-fresh battery is built to meet OEM-level expectations.
Key Specifications
- Brand: SigmasTek (SP12-18HR)
- Compatible UPS Model: OPTI-UPS ON910
- Voltage: 12 Volts
- Capacity: 18 Ah
- Battery Type: Valve Regulated, Spill Proof Construction
- Design: High Rate Discharge Design
- Additional Features: Low Self-discharge, High Vibration Resistance
- Certifications: U.L. Recognized and CE Certified
- Performance: Superior Performance, Brand New, Factory Fresh
- Warranty: 1 Year Warranty
- Installation Note: Use existing cables and hardware from the original battery configuration
- Typical Applications: Uninterruptible Power Supply (UPS) Units, Emergency Power Supply, Battery Powered Tools
Benefits
This replacement battery offers the advantages required for reliable UPS operation. Valve-regulated, spill-proof construction minimizes maintenance and improves safety during service. Low self-discharge keeps the battery ready for extended standby periods, while the high-rate discharge capacity gives the ON910 the immediate power it needs during transfer events. These features make the battery a reliable, long-lasting battery choice for mission-critical systems.
- Durability: Strong construction and vibration resistance for long-term reliability in fixed and mobile installations.
- Long life: Low self-discharge and rigorous testing contribute to a long operational lifespan.
- High performance: Specifically engineered as a high-performance UPS battery for short, high-current demands typical of UPS use.
- Applications: Ideal for UPS systems, emergency backup, and battery powered tools where trustworthy power is required.
- Installation-ready: Designed to be used with your existing cables and hardware for straightforward replacement.
Replace your OPTI-UPS ON910 battery with confidence — purchase this SigmasTek replacement UPS battery now for a fast, reliable restoration of backup power and enhanced long-term performance.
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