As more and more 20700 and 21700 battery come into market, such as sanyo 20700a, sanyo 20700b and Samsung 30T, etc, BASEN will have 21700 4000mah 30a battery coming at the beginning of Sep.
SANYO 20700B
SAMSUNG 30T
The new physical structure for the 21700 battery cover can maintain the consistency when the battery power and voltage is cut off by which the battery security problems can be avoided;
The battery shell is made from pre-nickel plated steel plate, which keeps away from the metal chip products and reduces battery self-discharge;
Also, quadrupole structure of this battery can achieve ultra-high power discharge so as to challenge higher performance.
BASEN 21700 4000MAH 30A BATTERY
This battery can be considered as a replacement of 20700 battery but with cheaper price. The details of the battery can be seen as the test as below:
| Item
No. | Before test | 1C | 5C | 30A | ||||
| Voltage V | Internal ResistancemΏ | Timemin | CapacitymAh | Time min | CapacitymAh | Time min | CapacitymAh | |
| 1# | 3.53 | 14.6 | 58.8 | 3923 | 9.73 | 3244 | 2.43 | 1216 |
| 2# | 3.52 | 14 | 57.03 | 3805 | 10.23 | 3411 | 3.23 | 1617 |
More information, please contact us at this website……
