51.2V 45Ah LiFePO4 battery perfectly upgrades your 48V lead-acid system. It delivers 40A
continuous discharge via rugged 32140 cells in a steel case. Ideal for e-motorcycles and
AGVs, offering 2.3kWh capacity and 2000+ cycles.
Brand:
SuperpackItem NO.:
SPF51.2V45Product Origin:
ChinaColor:
BlackLead Time:
25-30 Working Days
FAQ:
Q1: Can this 51.2V battery replace my old 48V lead-acid battery?
A: Yes, absolutely. A 51.2V LiFePO4 battery (16S) is the industry-standard upgrade for 48V lead-acid systems. It is lighter, lasts much longer, and provides slightly higher torque. Please ensure the battery compartment size of your vehicle is large enough to fit this steel-cased pack.
Q2: What charger should I use for this 51.2V 45Ah battery?
A: You must use a dedicated LiFePO4 charger with a maximum charge voltage of 58.4V. The recommended charging current is ≤22.5A (0.5C). Never use a lead-acid charger or a standard 13S lithium charger (54.6V), as it will not charge the battery fully.
Q3: What is the maximum motor power this battery can drive?
A: With a continuous discharge current of 40A, this battery safely supports motors up to 1500W - 2000W for continuous riding. It can handle a 60A peak current for climbing hills or quick acceleration (under 30 seconds). We do not recommend using it for heavily modified high-power (>3000W) racing motorcycles.
Q4: Is the BMS (Battery Management System) included?
A: Yes, this battery pack comes with an integrated BMS (usually 40A-60A rated) to protect against overcharge, over-discharge, over-current, and short circuits, ensuring safe operation.
Q5: What are the dimensions and weight of this battery?
A: The weight is approximately 16kg - 18kg, which is significantly lighter than an equivalent 48V 45Ah lead-acid battery bank (which usually weighs over 50kg).
| Item | General Parameter | Remark |
| Rated Capacity | 45.0A |
Standard discharge 0.2C after standard charge 0.2C |
| Minimum Capacity | 38.2Ah | |
| Nominal Voltage | 51.2V | |
| Life Expectation |
Higher than 80% . of the Initial Capacity of the battery |
1）Charge:CC@0.2C to 58.4V, then CV till current to 0.05C |
|
Discharge cut-off voltage |
39.2V~43.2V |
Recommended 44.8V(2.8V/Cell) |
| Charge limiting voltage | 57.6V~58.4V | |
|
Cell and assembly method |
IFR32140 3.2V 15Ah | 16S3P |
| Housing material | Steel Plate Cold | Black |
| Standard charge |
0.2C constant current (CC) charge to 58.4Vthen constant voltage (CV) 58.4V charge till charge current decline to ≤0.05C |
Charge time : Approx 7h |
| Standard discharge |
Constant current 0.2C，Cut-off voltage 40V |
|
|
Maximum Charge Current |
40A@25±2℃ | Recommend ≤22.5A |
|
Maximum Continuous Discharge Current |
40A@25±2℃ |
Peak current 60A ＜30S |
|
Operation Temperature Range |
Charge : 0～45℃ |
60±25%R.H. |
|
Discharge : -20～60℃
|
||
|
Storage Temperature Range |
Less than 1 year : 0～25℃(SOC≥50%) |
60±25%R.H. |
|
Less than 3 months:-5～35℃(SOC≥50%) |
||
| Approx. Weight | 18.8kg±0.3Kg | |
| Internal resistance | 10mΩ≤ACR≤30mΩ | 1KHz，AC@50%SOC |
| Dimension | L*W*H=(220*160*330mm)±2mm | Without handle |
| Terminals | TIETA 2+6 Receptacle | With dust cap |
| Communication | RS485 | |
|
Control |
External Control Switch |
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