The base cell of the Keeppower 2S1P battery pack is 2 industrial Panasonic Li-Ion batteries.
High quality cell with long life and high cycle stability;
Protection circuit BMS from Seiko (Made in Japan). Seiko Protection/PCB with short circuit, overcharge and deep discharge protection.
Keeppower 2S1P 2×18500 Li-Ion battery PCB/BMS protected with cable connection.
Assembled as a bar. Mobile power supply for: model making, bicycle lamps, head lamps, industry.
Safety notice:
Please note that removing or damaging the protective electronics (PCB) may result in a short circuit, fire or explosion.
Further characteristics:
Lithium-ion batteries are thermally stable and are not subject to memory effect. They work on the basis of lithium and are characterised by a high energy density.
Technical Data
| Cell | 2x Panasonic NCR18500 |
| Protection PCB/BMS | 2S |
| Capacity | 2000mAh |
| Min. capacity | 1900mAh |
| Nominal voltage | 7,2V – 7,4 |
| Charging end voltage | 8.4V ± 0.05V |
| Final discharge voltage | 5,5V |
| Connections | Cable plus/minus |
| Discharge current (constant) | 2C = 4A |
| Cable length | 50 mm |
| Protective circuit PCB | integrated 6A |
| Charging method | CC-CV |
| Diameter | 18.50 mm ± 0.5 mm |
| Height | 103 mm ± 0.5 mm |
| Weight | 70 g ± 1 g |
| Charging current Normal | 1000mA |
| Charging current fast | 2000mA |
| Operating temperature Charging | 0 °C – 45 °C |
| Operating temperature discharging | -20 °C – 60 °C |
Note:
A special charger is required for charging lithium ion batteries, which charges the batteries according to a special charging procedure. (CCCV = constant current, constant voltage.) The batteries must not be charged above a voltage of 8.4 volts, otherwise there is a risk of fire and explosion. It is advantageous to charge the batteries only up to approx. 8.2 volts, as this significantly increases the service life and the number of charging cycles (possibly up to twice as many). Only lithium ion chargers may be used for charging. However, the cheap chargers sometimes have the disadvantage that they do not switch off safely at the end of the charging process, but continue to charge the batteries with a small charging current, which can be dangerous.
Furthermore, rechargeable batteries and batteries do not belong in household waste! Please dispose of them as prescribed by law at the municipal collection points or in the [usually green] containers provided by retailers.
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