12 Volt 3.5 Amp F2 High Rate Sealed Lead Acid 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 | 3.5 Ah
Terminal Type
F2
12 Volt 3.5 Amp F2 High Rate Sealed Lead Acid Battery — Compatible Model: 12 Volts3.5 AhF2 (SigmasTek)
Upgrade your equipment with a reliable replacement battery designed for compatibility, performance, and durability. This 12 Volt 3.5 Amp F2 High Rate Sealed Lead Acid unit is a factory-fresh, brand new option that meets or exceeds OEM SLA battery specifications. Built for dependable standby and cycle operation, it delivers the dependable power you expect from a high-performance battery and the peace of mind of a long-lasting battery for critical applications.
Key Specifications
- Voltage: 12 Volt
- Capacity: 3.5 Amp
- Terminal Type: F2
- Type: Sealed Lead Acid (SLA), maintenance free, non-spillable
- Design: High rate model
- Usage: Cycle and standby use; can operate in any orientation
- Life Expectancy: 3–5 years in standby use
- Warranty: Minimum one year warranty
- Certifications: UL listed
- Brand: SigmasTek
- Availability: In stock; ships within 24 hours
Benefits
- Durability: Built as a sealed, maintenance-free and non-spillable battery, this unit resists leakage and reduces maintenance needs for safer installation and handling.
- Long life: Expect 3–5 years of reliable standby life when properly maintained — a true long-lasting battery solution for safety and backup systems.
- High performance: The high rate design provides robust discharge capability when immediate power is required, making it a high-performance battery for demanding loads.
- Versatility: Engineered for both cycle and standby service, it performs well in emergency lighting, security systems, fire alarms, and other mission-critical applications.
- Typical applications: Ideal as a replacement battery for UPS systems, emergency power packs, security alarms, medical equipment, consumer electronics, and portable tools that accept F2 terminals.
- Safety and compliance: UL listing and factory-new construction ensure quality and conformity to recognized safety standards.
- Convenience: Ships quickly from stock and backed by knowledgeable customer service to help you choose the right replacement battery for your model.
If you're ready to replace worn batteries or upgrade to a high-performance battery that you can rely on, order the 12 Volts3.5 AhF2 (SigmasTek) replacement battery today. Purchase now to get a long-lasting battery solution with fast shipping and a one-year warranty.
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