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Brightway Group  |  SKU: BW-8079

Drive Medical Cobalt Travel Power KO821 Compatible Replacement Battery By Bright Way

Sale price $44.94 USD Regular price $58.84
Shipping calculated at checkout.

➤ 12-volt, 18-amp hour battery for extended power

➤ Specifically designed for Drive Medical Cobalt Travel Power KO821

➤ Reliable Bright Way brand ensures consistent performance

➤ NB terminal type allows easy installation and secure connection

➤ Provides long-lasting mobility for daily use and travel


📦🚀 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.

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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 | 18 Ah

Terminal Type

Nut & Bolt

Bright Way 12V 18Ah Replacement Battery — Drive Medical Cobalt Travel Power KO821

Keep your Drive Medical Cobalt Travel Power KO821 operating smoothly with the Bright Way 12V 18Ah replacement battery. Engineered for compatibility with the KO821 travel power wheelchair, this high-performance battery offers stable 12-volt power and an 18 amp-hour capacity to support travel, daily use, and frequent outings. Reliable and easy to install, it’s a long-lasting battery solution that helps maintain independence on the go.

Key Specifications

  • Voltage: 12 volts (12V)
  • Capacity: 18 amp hours (18 Ah)
  • Terminal Type: NB (Nut & Bolt)
  • Compatibility: Drive Medical Cobalt Travel Power KO821
  • Brand: Bright Way (Brightway Group)
  • Design Notes: NB terminal for secure fit and easy installation

Benefits

This Bright Way replacement battery is built to deliver consistent, dependable performance for travel-focused wheelchairs like the KO821. Its 18Ah capacity provides a practical balance of run-time and compact size—ideal for users who need dependable power without excess weight. As a high-performance battery formulated for the KO821, it ensures consistent voltage under load, contributing to smooth motor operation and predictable handling.

Durability and longevity are central to the design: quality construction and reliable internal components support many charge cycles, reducing the frequency of replacements and helping you stay mobile longer. The NB (Nut & Bolt) terminals give secure, low-resistance connections, making installation straightforward and maintenance simpler—perfect for users or caregivers who appreciate quick swap-outs.

While optimized for the Cobalt Travel Power KO821, the battery’s features—12V output, 18Ah capacity, and robust NB terminals—also suit a variety of auxiliary uses, such as emergency power backup for small UPS systems, lighting in emergencies, or portable power for tools and small devices where a dependable 12V deep-cycle source is required.

Upgrade your Drive Medical Cobalt Travel Power KO821 with this Bright Way replacement battery and enjoy consistent, long-lasting battery performance. Add this high-performance, long-lasting battery to your cart now to ensure dependable power whenever you travel.


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