KNOX Electronics KG - Official Partner of ABUS Description: - Maintenance-free - Leak proof - High-quality lead gel battery - Up to 1,000 charging/discharging cycles - VdS certified The VdS certified 12 V rechargeable batteries can be used anywhere where equipment has to be supplied with power immediately in the event of a power failure. Due to their long service life and high reliability, they are especially suitable for alarm systems. These batteries don"t need to be serviced during their whole lifetime. Due to their particularly compact design, the batteries are absolutely leak-proof. A special calcium alloy of maximum purity ensures long service life. You can recharge the batteries up to 1000 times, depending on the average discharge level. All batteries are VdS certified. They vary in size, weight and capacity. Scope of supply:0