Package Contents: A 4-pack of rechargeable 9V lithium-ion batteries and a 9V rechargeable battery charger.
Charging Flexibility: The charger supports simultaneous charging of 1 or 2 individual 9V batteries, eliminating the need for pairing during charging.
Ready-to-Use: The 9V rechargeable batteries arrive pre-charged and ready for immediate use upon unboxing.
Long-Term Reliability: Featuring no memory effect and advanced low self-discharge technology, these batteries retain up to 80% of their capacity even after 3 years of storage without usage.
Versatile Compatibility: Ideal for powering a wide range of devices such as smoke alarms, digital cameras, gaming controllers, toys, clocks, and medical equipment.