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 trouble-free connection of many articles in series.
Integrated protection chip.
Charging voltage: 3.7-4.2V DC
Number of charging cycles: 2000
Minimal self-discharge (approx. 5% per month)
Working temperature: -10 - 50°C
Type marking: 104050
ATTENTION: If the voltage drops below 2.7V, the battery can be irreversibly destroyed.