BOTKK Upgraded 3500mAh RVBAT850 Battery Replacement for Shark Vacuum | Fits RV761, RV850C, RV1000S & More

Upgrade your Shark cleaning sessions with BOTKK

Meet the BOTKK Upgraded 3500mAh RVBAT850 battery replacement, designed for Shark vacuums that use a two-prong RVBAT850 connection. Built to mirror the original size and function, this upgrade combines a robust 14.4V system with a high-capacity cell to help you stretch between charges without sacrificing suction or performance.

In everyday use, you’ll experience steadier power delivery and more consistent cleaning across rooms—from high-traffic living spaces to delicate hard floors. The form factor is engineered for a straightforward swap, so you can reduce downtime and keep your home looking its best, even during busy weeks. The battery is paired with a simple installation process that fits into your routine rather than disrupting it.

Key benefits at a glance

• High-capacity 3500mAh cell for extended cleaning sessions
• 14.4V system with two-prong connectors for reliable compatibility
• Designed to fit Shark models using RVBAT850, including RV761, RV1000S, UR1000SR, and more
• Estimated 20–30% longer runtime compared with some rival batteries, depending on usage
• Safety-certified and easy to install; includes battery, plus a small screwdriver and a brush

Real-world use and compatibility notes

For larger homes or pets that accumulate dust quickly, longer runtimes can translate to fewer recharge breaks and more uninterrupted cleaning power. The upgrade aims to deliver steady energy to maintain strong suction throughout a session. Before purchasing, double-check your Shark model and connector type to ensure a smooth swap. While the included screwdriver supports many screws, you may want to use your own compatible driver if needed.

Design, safety, and ease of use

The replacement mirrors the original battery’s form factor for a balanced fit inside most compatible Shark vacuums. The 14.4V configuration supports reliable performance, while quality certifications help provide peace of mind during everyday use. This package focuses on practicality, helping you refresh your cleaning toolkit without complicated setup.

What’s in the box

• 1 x 14.4V RVBAT850 replacement battery
• 1 x small screwdriver
• 1 x small cleaning brush

Support and safety: BOTKK products meet recognized safety standards, and friendly customer service is available to help with compatibility questions or installation tips. If you’re unsure which model matches your Shark vacuum, reach out via the Your Orders tab for guidance.