Lithium-Ion Rechargeable 9V Batteries for Smoke Detectors

【Steady Voltage 9V Rechargeable Battery】HW 9V rechargeable battery, delivering reliable performance with an 1800mWh capacity. This battery ensures steady voltage until depleted, providing prolonged use for your devices.

【Fast Recharging with Safety Protection】HW rechargeable 9V batteries can fully charge in just 1.5 hours. They come equipped with comprehensive safety features including protection against overcharging, over-discharging, over-voltage, over-temperature, over-current, short circuits, and undervoltage, ensuring peace of mind every time you recharge.

【Save Resources, Reduce Pollution】Built with NIMH technology, these batteries offer exceptional longevity, supporting hundreds of recharge cycles. This extends their lifespan, significantly reducing waste and environmental impact.

【Easy to Charge, Wide Compatibility】The HW 9V rechargeable batteries are designed for easy integration with various devices, including smoke detectors, microphones, remote control cars, and household electronics. Their high compatibility ensures seamless operation across different applications.

【Environmentally Friendly】As a leader in battery innovation, HW focuses on developing eco-efficient, energy-saving rechargeable batteries. Compared to traditional alkaline batteries, our rechargeables are reusable, have lower self-discharge rates, and provide a more stable power supply. Plus, they are fully recyclable, offering a sustainable and cost-effective solution that reduces both financial and environmental costs.