Figure 1. LTO battery from China
Table 1. Declared characteristics.
Capacity | 1500 | mAh |
Nom. voltage | 2.4 | V |
Min. voltage | 1.9 | V |
Max. voltage | 2.8 | V |
Resistance | 20 | mOhm |
Mass | 39 | g |
Measured characteristics
Figure 1. Galvanostatic charge-discharge curves depending on current rate. At 2C polarization is ~0.2V, corresponding to ~70 mOhm. The capacity at 2C is less than 1400 mAh.
Figure 2. Galvanostatic discharge (150 mA) curves at different temperatures.
Figure 3. Cycling at 1 C (1400 mA) charge/discharge.