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GWL Power Blog
GWL/Power WINA LiFePO4 Power 3.2V/15Ah aluminium case
Nominal voltage of the cell is 3,2 V and the operational voltage is 2,5 - 3,65 V.
The maximum charging voltage for initial charge is 3,8 V.
Recommended subsequent charging is to 3.65 V.
The minimum voltage is 2.5 V.
Maximum discharge current is 2C continously and 3C peak (<15sec)
Operating temperature -20°C - 60°C (discharging)
These battery cells are suitable for all traction applications including electric bikes and scooters. Fully complies also for stationary applications - such as energy storage.
There is no Selfdischarging effect.
Can be recharged at any state of discharge - no memory effect
LiFePO4 is a very safe technology, not spontaneous combustion, does not react with moisture or with oxygen.
|Please read USER MANUAL before use.|
|Do you have technical question? Try KNOWLEDGE BASE.|
NOTE! All goods we supply is new direct from the manufacturer.
The batteries are charged conservation.
To be able to use it must first be charged with a low current.
The first charge should not exceed 0.5 C - eg for 40Ah cell is 20A.
FAQ: Initial charging information
HINT! For initial charging multiple cells, must be connected in parallel and the charger outputs should be connected to both ends of the parallel rows of cells, exactly as it is described here:
FAQ: The initial charging of the number of cells
Please see practical examples of installing cells and recomended SBM protection of operation:
the Simple Battery Management.
Example of the 16 cells in series with protection module SBM16.
Check recommended accessories:
Please note that the manufacturer WINA does not supply terminal connectors for cells. Therefore, we recommend to choose from the available connectors from other manufacturers.
Check the PDF with the dimensions of the terminals connectors for the battery cell models.
Flexible terminal connector for safe connection of cells.
the terminal covers for the LFP cells.
They protect the terminals against dirt, damage and short-circuit.
|Nominal Voltage (V)||3,2|
|Max discharge current (A)||45 (<15sec)|
|Optimal discharge current (A)||5|
|Max charging current (A)||15|
|Optimal charging current (A)||5|