tecxus high-performance rechargeable battery packs make use of the innovative "Ready to use" technology: The rechargeable batteries are delivered precharged and can be used like alkaline cells right out of the package. Self-discharge is significantly lower than with traditional rechargeable batteries: After 6 months the cells still provides 90 % capacity, after 12 months still retaining 80 % of its charged capacity, providing an operational readiness for more than 365 days. Rechargeable for up to 1,000 cycles, making them very environmentally friendly. The cells are quick charge capable, and have an operating range from - 20°C to + 50°C.