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Email: info@evlithium.com
We have designed a new 48V50Ah Lithium battery pack with NCM lithium battery cells they are 3.7V 18650 NCM lithium battery cells inside of the battery pack.
with 20 of 2.5Ah lithium battery cells in parallel, capacity of the battery pack is 50Ah with 14 of 3.7V lithium battery banks in series, voltage of the battery pack is 51.8V
The battery pack is widely used in electric vehicle, energy storage system and other battey backup system for off grid house and boat/ship/yatch.
Electrical Characteristics |
Nominal Voltage |
48V |
Nominal Capacity |
50Ah |
|
Energy |
2400Wh |
|
Internal Resistance(AC) |
≤30mΩ |
|
Months Self Discharge |
<3% |
|
Efficiency of Charge |
100% @0.5C |
|
Efficiency of Discharge |
96~99% @1C |
|
Standard Charge |
Charge Voltage |
54±0.2V |
Charge Current |
10A |
|
Max. Charge Current |
50A |
|
Charge Cut-off Voltage |
58.8V |
|
Standard Discharge |
Max. Current |
≤100A(2C) |
Discharge Cut-off Voltage |
40V |
|
Environmental |
Charge Temperature |
0¡æ to 45¡æ (32F to 131F) @60±25% Relative Humidity |
Discharge Temperature |
-20¡æ to 60¡æ (-4F to 140F) @60±25% Relative Humidity |
|
Storage Temperature |
0¡æ to 40¡æ (Capacity 80%) @60±25% Relative Humidity |
|
Mechanical |
IP Class |
IP65 |
Shell Material |
Plastic |
|
Approx. Dimension |
305mm*146mm*198mm |
|
Approx. Weight |
13.9kg |