Long lifetime cycle batteries lithium titanate Li-Ti 40Ah, Ying long 2.3V

I will sell 40 cans of lithium titanate. LiTi 40Ah, Ying long 2.3V. (working range 1.8-2.8V). 1 pc - 1000 UAH 4mm tires from electrical aluminum + nuts and washers as a gift. Call us, we will agree on the price. Rated voltage: 2.3 V Maximum charging voltage: 2.8 V Maximum discharge voltage: 1.6 V Capacity at maximum charge / discharge modes: 42 A * h Operating discharge / charge current: 400 A (10С ) Maximum discharge / charge current: 800A (20C) Permissible negative operating temperatures: -30 ℃ Guaranteed number of charge-discharge cycles: 30,000 cycles Battery capacity after 20,000 charge-discharge cycles: at least 80% of the initial Internal resistance: ≤1 mΩ Overall dimensions: 66 * 210 mm Lead length: 20 mm each (M12) Weight: 1300 g The lithium titanate battery is a fairly new and currently the most efficient energy storage device in terms of price / capacity / number of cycles.