12.8V40Ah LiFePO4 battery pack for vacuum cleaner
Negotiable /Pack
Min.Order:20 Packs
Ocell New Energy Technology Co., Ltd.
Specification
This specification is applied to the LiFePO4 battery pack that manufactured by O’CELL Technology Co., Ltd. There is built-in smart PCM for over charge/discharge, over temperature, over current protection. It owns RS485 interface for communication and LED indicator for showing battery status.
It can connect in series up to 48V battery system. Extra BCK (Battery Controlling Kits) is recommended to monitor the information of the whole battery system and aid battery system balancing.
No. | Item | General Parameter | Remark |
1 | Rated Capacity | 45.0Ah | Standard discharge(0.5C)after standard charge(0.5C) |
2 | Minimal Capacity | 40.0Ah | |
3 | Nominal Voltage | 12.8V | |
4 | Cycle Life | Residual capacity is more than 60% of the rated capacity | 1. Charge: CC@ 0.5C to 14.6V, then CV till current to 0.05 C5 2. Rest: 30min. 3. Discharge: 0.5C to 10.0V Temperature:20±5°C Carry out 1200cycles |
5 | Discharge cut-off voltage | 10.0V | Adjustable by O’CELL |
6 | Charging cut-off voltage | 14.6V | Adjustable by O’CELL |
7 | Assembly method | IFR18650PC-1.5AH | 4S30P |
8 | Housing material | ABS+PC | Flame Retardant Plastic |
9 | Standard charge | 0.5C constant current(CC) charge to 14.6V,then constant voltage (CC)14.6V charge till charge current decline to ≤0.05 C | Charge time : Approx 2.5h |
Standard discharge | Constant current 0.5CCut-off voltage 10.0V | ||
11 | Maximum Charge Current | 24A | 20A or less recommended for better performance and life |
12 | Continuous Discharge Current | 30A | 80A (30S)@23°C |
13 | Operation Temperature Range | Charge: 0~55°C | 60±25%R.H. |
Discharge: -10~60°C | |||
14 | Storage Tem | Less than 1 year : 0~25°C | 60±25%R.H. |
erature Range | Less than 3 months:-5~35°C | at the shipment state | |
15 | Approx. Weight | 6.1Kg | |
16 | Dimension | L195*W130*H183mm | Terminals: M6 female-threaded , build-in smart PCM |
17 | BCI Group Number | U1R | |
18 | Specific Energy | 84Wh/Kg | |
19 | Energy Density | 110Wh/L | |
20 | Status LED indicator | Yes | Dual LED (red & green) |
21 | Communication protocol | RS485 with 5-pin M12 connector | Communicate with HOST or BDK |