Kratax 9V Rechargeable Batteries, 4 Pack, 850mAh High Capacity for Smoke Alarms, Guitar, Multimeters, Toy Microphones

Kratax 9V Rechargeable Batteries: High Capacity & Reliability

850mAh High-Capacity, Long-Lasting Performance Kratax 9V rechargeable batteries boast an impressive 850mAh capacity, delivering up to 1000 cycles. Our 9V square lithium battery exceeds the capacity of other brands, with 40% higher energy density compared to 600mAh lithium-ion batteries. With a full charge voltage of 8.4V-8.7V and a maximum output current of 2.3A, our batteries offer both larger capacity and ultra-long-lasting performance. Furthermore, they have a service life that is 3 times longer than alkaline batteries and 5 times longer than carbon batteries.

Multi-Protection for Enhanced Safety Kratax batteries undergo rigorous testing and certification, including ROHS, CE, CQC, and PSE. Our built-in protection system safeguards against overcharge, overvoltage, overcurrent, over-discharge, reverse charge, and short-circuit conditions. This ensures the longevity and safety of both the battery and charger.

Wide Compatibility for Diverse Applications Perfect for a wide range of devices, Kratax 9V lithium batteries are suitable for wireless microphones, multimeters, electric guitars, walkie-talkies, toy remote controls, smoke alarms, smoke detectors, cameras, massagers, alarm clocks, and portable radios. Our batteries are a versatile and reliable choice for any device requiring powerful and consistent performance.

Low-Carbon and Eco-Friendly Kratax batteries are environmentally friendly, free from toxic and harmful heavy metals like lead, mercury, and cadmium. They feature a low self-discharge rate of only 0.03% per month, significantly less than Ni-MH batteries. Additionally, our batteries are 30% lighter than Ni-MH batteries, making them a lighter and more sustainable option for your devices.