7.4V 4000mAh Li-ion Rechargeable Battery Pack JST-PH 2.0 /2P Plug Lithium-ion Batteries for Electronics Products Toys Lighting Bluetooth Equipment Fit for RC Helicopter Car Truck & RC Boats

Features

• Battery Notice No Standalone Lithium Batteries Included: This product does not include standalone lithium batteries in the package. If the item requires lithium batteries for operation, they are either integrated into the device itself or must be purchased separately as per manufacturer instructions
• High-Capacity Replacement Battery for Croove Voice Amplifier: Engineered for reliability and long-lasting performance, this replacement battery is specifically designed for Croove voice amplifiers. With a powerful 4000mAh capacity and 7.4V output, it ensures extended usage time and consistent amplification when you need it most. Constructed using high-quality Li-ion cells, it delivers a total energy output of 29.6Wh, making it ideal for classrooms, public speaking, or outdoor activities.
• Type of plug PH2.0 mm-2p; Before use, please check the battery voltage andsitive and negative polarity with the original battery, the opposite will lead to equipment damage. The red wire is the positive pole "+", and the k wire is the negative pole "-".
• Reliable Performance with Real Capacity & Long Battery Life: Enjoy true 4000mAh capacity that delivers dependable power when you need it most. This battery features low self-discharge technology, meaning it retains its charge even after long periods of non-use, perfect backup in intermittent
• CAUTIONS T discharge connector plug, PLEASE take notice that the Positive (RED wire) and Negative pole(BLACK one) should not be reversed, or it damage your devices. And when storing and using the battery, attention should be PAID to the ambient temperature to ensure safety and battery life.