Fortress Scooters 1600ACV U1 High-Performance 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 | 35 AH
Terminal Type
Nut & Bolt
Fortress Scooters 1600ACV U1 Replacement Battery (2-Pack)
Keep your Fortress Scooters 1600ACV U1 wheelchair running reliably with this OEM-compatible 2-pack of replacement battery units. Designed specifically for the 1600ACV U1, these batteries deliver dependable performance, high discharge capability, and a wide operating temperature range so your mobility device performs when you need it most. If you depend on your scooter for daily mobility, selecting the right replacement battery is essential — these units are built for reliability, durability, and consistent power delivery that meets or exceeds original manufacturer specifications.
Key Specifications
- Package contains: 2 batteries
- Volts: 12
- Amps: 35 (35 AH)
- Weight: 49.4Lbs
- Length: 7.72
- Width: 5.14
- Height: 6.14
- Terminal: NB (Nut & Bolt)
- Chemistry: SLA Chemistry
- Technology: AGM Technology
- Maintenance-free: Yes
- Spill Proof: Yes
- Guaranteed compatibility with original batteries
- Warranty: 1-year Warranty
- Brand: SigmasTek
- Shipping Methods: UPS Ground and USPS
- Shipping speed: We ship in 1 business day for all in-stock items
Benefits
- Durability: Constructed with AGM technology and sealed SLA chemistry, these batteries are maintenance-free and spill proof for safe, long-term use in mobility equipment.
- Long life: The high discharge design and robust construction provide a long expected service life, making this a long-lasting battery choice for your Fortress Scooters 1600ACV U1.
- High performance: Engineered to meet or exceed original specifications, this high-performance battery delivers consistent power and dependable starts, even under heavier loads.
- Reliable in varied conditions: Wide operating temperature range ensures stable power delivery in different environments, whether indoor or outdoor.
- Easy installation: Designed to be installed in the original configuration using your existing cables and hardware (reuse original cables and check dimensions before ordering).
- Typical applications: Ideal for mobility scooters and powered wheelchairs like the Fortress Scooters 1600ACV U1; also suitable for backup UPS systems, emergency power, medical devices, and deep-cycle tool and equipment uses that require a 12V 35AH battery.
- Value pack: This listing includes both batteries required for your wheelchair, ensuring balanced performance and convenience.
Choose a trusted replacement battery solution for your Fortress Scooters 1600ACV U1 today. With fast shipping, a one-year warranty, and proven AGM construction, this high-performance, long-lasting battery pair will restore reliable power to your mobility device. Add this 2-pack to your cart now and get back on the move.
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