KUNLUN RVBAT850 Replacement Battery for Shark Vacuum – 14.4V 43.2Wh, 2-Prong Connector

Upgrade your Shark vacuum with the KUNLUN RVBAT850 replacement battery

The RVBAT850 is a compact, high-energy lithium-ion cell designed to restore power to compatible Shark Ion models. With a nominal 14.4V and 43.2Wh capacity, it aims to deliver reliable run time while remaining easy to install in place of the original pack.

Designed to match the form factor and function of the factory battery, the RVBAT850 uses a 2-prong connector and is intended for quick swaps. When paired with your existing charger dock, it can help you resume cleaning with minimal downtime.

Key specs at a glance

• Voltage: 14.4V
• Capacity: 43.2Wh
• Type: Lithium-ion
• Connector: 2-prong (not compatible with 3-prong)
• Fit: Same size and function as the original battery

Compatibility and fit

The RVBAT850 is described as compatible with a broad range of Shark Ion vacuums, including models such as R75, R85, RV1000S, RV1001AE, RV700_N, RV720_N, RV850, and more. Always compare your current battery plug and model suffix (like "_N") before purchasing to ensure a proper match. Note that it is not suitable for models requiring a 3-prong connector.

Charging, safety, and care

• Fast charging through the original charger station: roughly 3.5 hours from empty to full
• Safety design: safeguards against overcharge, over-discharge, over current, and short circuits
• Care tips: allow a 15–30 minute cooldown after use before charging to help with longevity

What’s included and warranty

• 1 x RVBAT850 replacement battery
• 12-month warranty for peace of mind
• Note: if charging doesn’t start, recheck connector alignment

Why consider the RVBAT850? It offers a practical, swap-friendly option to refresh power for your Shark Ion vacuum. You may experience extended cleaning sessions between charges, while continuing to use your existing charging setup. This is a potential way to maintain performance without replacing your entire vacuum.