VOLTCRAFT 9 V Block Rechargeable Battery NiMH 270 mAh 8.4 V Ready to Use 1 pc (VC-17665965)

With a nominal voltage of 8.4 V and a capacity of 270 mAh, this VOLTCRAFT 9 V block battery delivers reliable power for your devices. Its NiMH chemistry and low self-discharge technology ensure it's ready to use right out of the pack, retaining up to 85% charge after a full year in storage.

Overview

The VOLTCRAFT VC-17665965 is a rechargeable 9 V block battery built around nickel-metal hydride (NiMH) cells. It combines seven 1.2 V cells in a standard PP3 form factor with a snap connector, making it a drop-in replacement for disposable 9 V batteries in smoke detectors, multimeters, microphones, toys, and medical devices. The battery is pre-charged and ready to use immediately, eliminating the need for an initial charge before first use.

What stands out

• Nominal voltage of 8.4 V – higher than standard 7.2 V NiMH 9 V batteries, providing more consistent performance.
• Very low self-discharge: retains approximately 85% of its charge after one year, ideal for standby applications.
• Long cycle life of up to 1000 charge/discharge cycles, reducing waste and long-term costs.
• Environmentally friendly: cadmium-free and mercury-free, compliant with modern environmental standards.
• Wide operating temperature range: charge from 0 to 40 °C, discharge from -20 to 50 °C.

Technical details

• Battery chemistry: NiMH (Nickel-Metal Hydride)
• Form factor: 9 V block (PP3)
• Nominal voltage: 8.4 V
• Capacity: 270 mAh
• Number of cells: 7 (1.2 V per cell)
• Connector type: Snap connector
• Pre-charged: Yes (Ready to Use)
• Cycle life: Up to 1000 cycles
• Self-discharge rate: Very low (retains ~85% charge after 1 year)
• Operating temperature (charging): 0 to 40 °C
• Operating temperature (discharging): -20 to 50 °C
• Quantity per pack: 1 piece
• Environmental compliance: Cadmium-free, Mercury-free

Our verdict

For anyone tired of replacing disposable 9 V batteries, the VOLTCRAFT VC-17665965 is a smart investment. Its ready-to-use design, high cycle life, and excellent charge retention make it perfect for both everyday and standby devices. The 8.4 V output ensures stable performance, while the eco-friendly chemistry aligns with modern sustainability goals.