At present,，the electric wheelchair are widely used in many families and geracomium. It will become an important source of transportation to the old.
Lithium polymer battery pack：
Pack method ：customized, based on clients’ requirements
Nominal voltage ：3.7V、7.4V、11.1V、14.8V、22.2V 、25.9V（pcba optional）
Cell dimension：13*68*130mm
Rated capacity：12000-（N*12000）mAh
Internal resistance：≤60mΩ
Discharge cut-off voltage：2.75V、3.0V
Discharge current：20A （max）
Charge current：5A（max）
Working temperature：-20~ 60℃
18650 Battery pack
Product name：24V Electric Bike battery
Battery material：Li-Ni-Co-Mn-O ,Ternary cathode material (optional)
Cell type：Panasonic 18650 3.6V 2200mAh
Pack ：18650 7S7P
Voltage & Capacity： 24V 15400mAh
Main protection function ：Over discharge, over discharge, over current, short-circuit and high temperature protection.
Applications: Electric Bicycles, Electric Motorcycles, Golf Carts, Patrol Cars.
| Specification | |||
| 1 | Nominal voltage | 24V | |
| 2 | Rated capacity | 15400mAh（0.2C discharge） | |
| 3 | Constant working current | 8-15A | |
| 4 | Over current protection | 61.6-77.0A（adjustable） | |
| 5 | Over charge protection | 4.25 ± 0.025V/Cell(adjustable) | |
| 6 | Discharge voltage protection | 2.50 ± 0.05V/Cell(adjustable) | |
| 7 | Charge mode | CC to CV | |
| 8 | Charge voltage | 29.5-29.9V | |
| 9 | Charge current | 3.0-7.7A | |
| 10 | Temperature | 0~45℃、45~85%RH | |
| 11 | Discharge temperature | -20~55℃、45~85%RH | |
| 12 | Storage temperature | 1 month | |
| 14 | Dimension | Within 3 months | -20~+55℃、45~85%RH |
| 1 year | -20~+45℃、45~85%RH | ||
| Height | -5~+20℃、45~85%RH | ||
| 15 | Length | Refer to sample | |
| >2250g | Refer to sample | ||
PCBA picture
