12 Volt 18 Amp F2 Deep Cycle 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 | 18 Ah
Terminal Type
F2
12 Volt 18 Amp F2 Deep Cycle Battery — Compatible with 12 Volt 18 Amp F2 Applications
This 12 Volt 18 Amp F2 Deep Cycle rechargeable battery is a versatile, maintenance-free SLA solution designed to meet or exceed OEM specifications for deep cycle and standby applications. Engineered for dependable performance, the 12 Volt 18 Amp F2 Deep Cycle battery provides steady, long-lasting power with a spill-proof design and robust construction.
Key Specifications
- Model/Type: 12 Volt 18 Amp F2 Deep Cycle Battery
- Battery Type: Sealed Lead Acid (SLA) Deep Cycle
- Voltage: 12 Volt
- Capacity: 18 Amp (18 Ah)
- Terminal: F2
- Design: Maintenance-Free, Non-Spillable (sealed)
- Certification: UL Listed
- Warranty: Minimum of One Year Warranty
- Condition: Brand New, Factory Fresh
- Life Expectancy: 3–5 years in standby use (listed)
- Brand Reference: SigmasTek (listed on product line)
Benefits
Built for durability, the 12 Volt 18 Amp F2 Deep Cycle battery is a long-lasting battery solution ideal for both standby and cyclic applications. The sealed, maintenance-free construction eliminates the need for water top-ups and reduces maintenance time and costs. Its deep cycle capability makes it suitable for repeated discharge and recharge cycles while maintaining reliable capacity and service life.
Typical applications include emergency lighting, security alarms, fire alarms, home and garden equipment, consumer electronics, and medical equipment. The battery’s UL listing ensures it meets recognized safety standards for many indoor and critical applications. With an expected standby life of 3–5 years, this battery provides dependable, long-term backup when you need it most.
This product is ideal as a replacement battery for systems that originally used 12V 18Ah F2 style cells, and it ships from stock with quick turnaround — typically within 24 hours. Our customer service specialists are available to assist with selection and purchasing if you need further help.
Purchase your 12 Volt 18 Amp F2 Deep Cycle replacement battery today to ensure continuous, dependable power. Order now for a high-performance battery with long-lasting reliability and fast shipping.
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Payment & Security
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