Lithium polymer rechargeable batteries are used in all personal electronic devices (e.g. mobile phones, cameras, laptops, RC models, ...). No need to fully discharge before charging, no memory effect. Simple and seamless connection of many cells in series.
Integrated protection chip.
Charging voltage: 3.7-4.2V DC
Charging cycles: 2000
Minimum self-discharge (about 5% per month)
Operating temperature: -10 - 50°C
Type Marking: 503030
WARNING: If the voltage drops below 2.7V, the battery may be irreversibly destroyed.