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SigmasTek  |  SKU: BW-10636

Shoprider Sunrunner (777-3/4) High-Performance Wheelchair Replacement Battery

Sale price $60.16 USD Regular price $78.77
Shipping calculated at checkout.

➤ Reliable 12V power output for consistent performance

➤ 12 Ah capacity ensures long-lasting energy supply

➤ Compact design fits easily in various applications

➤ Durable construction for extended battery life

➤ Ideal for backup power and portable devices


📦🚀 FAST SHIPPING: Usually ships same day if ordered before 2 PM EST

⚠️ 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.

📸 Send Your Battery Photo / Unsure? Expert Help

Snap a photo or video of your battery and send it to us. We'll identify the exact replacement—fast and hassle-free. Our team has helped thousands of customers find the right battery quickly and easily.
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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

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: 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 12V 12Ah Replacement Battery (F2 Terminal) - Universal Fit

The SigmasTek 12 Volt 12 Ah replacement battery with F2 terminal is a compact, versatile power source suitable for a variety of applications that accept the standard 12V 12Ah F2 form factor. This high-performance battery is designed to provide stable output, dependable recharge cycles, and straightforward installation for devices that require a reliable 12V lead-acid solution. If you’re looking for a dependable, long-lasting battery to replace an aging pack or to keep as a spare, this SigmasTek unit delivers consistent results.

Key Specifications

  • Brand: SigmasTek
  • Voltage: 12 Volts
  • Amp Hours: 12 Ah
  • Terminal Type: F2

Benefits

This replacement battery provides a balance of capacity and size, making it ideal for many smaller backup and portable power needs. As a 12V 12Ah battery, it is commonly used in mobility devices, emergency lighting, small UPS systems, security panels, and certain handheld or bench tools that accept F2 terminals. Its compact footprint enables installation in tight spaces while still delivering dependable run-times.

The F2 terminal configuration ensures quick and secure connections, simplifying replacement tasks for technicians and users. Designed for consistent charge and discharge behavior, this high-performance battery helps maintain device performance and reduces the frequency of replacements compared to lower-quality alternatives. For users seeking a long-lasting battery solution, the SigmasTek 12V 12Ah offers reliable energy storage and predictable service life when properly maintained.

Whether you need a direct replacement for a worn battery or a spare to ensure uninterrupted operation, this SigmasTek pack is a practical, cost-effective option that performs across a range of typical applications including UPS backup, emergency power, and compatible tools or mobility equipment.

Ready to upgrade or replace your battery? Order this SigmasTek 12V 12Ah high-performance replacement battery with F2 terminals today and secure reliable power for your device.


Payment & Security

Payment methods

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