51.2V-18Ah Customization Battery

No.	Item	Specification	Notes
1	Nominal Capacity	20Ah
2	Nominal Voltage	51.2V	3.2V/cell
3	Energy	1024Wh
4	AC Impedance	≤150mΩ	At 1kHz with 100%SOC
5	Charging Limited Voltage	58.4V	3.65V/cell
6	Discharge End Voltage	41.6V	2.6V/cell
7	Standard Charging Method	CC-CV and CC is 3.6A	Charge end with 8h or current drops to 0.01C. under temperature 23±2℃
8	Max. Charge Current	9A
9	Standard Discharging Method	3.6A	Constant Current Discharge with 0.2C
10	Max. Discharge Current	40A	Continuous Discharge (temperature: 23±2℃)
11	Cycle Life	≥2000cycles	0.2C Charge, 0.2C discharge and Capacity Retention ≥80% of initial capacity
12	Operating Temperature	0℃～45℃	Charging Operating
12	Operating Temperature	-10℃～60℃	Discharging Operating
13	Storage Characteristic	1 month	Temperature: -20℃～45℃
		3 months	Temperature : -10℃～35℃
		One year	Temperature： -0℃～25℃
14	Relative Humidity for Storage	45%～85%
15	Shipment Voltage	51.2-58.4V	3.2-3.65V/cell
16	Dimension(LWH)	MAX:225175160(mm)
17	Weight	Approx. 10 KG

BMS Specification:

No.	Item	Specification	Notes
1	Model:	16S-PCM
2	Charge Method:	CC -CV
3	Max. Charge Current:	40 A
4	Continuous Discharge Current:	40A
5	Over-charge Protection	3.65±0.05V
6	Over-charge Protection Release Conditions	3.5±0.05V
7	Over-Discharge Protection Voltage	2.6±0.05V
8	Over Discharge Protection Release Conditions	2.7±0.05V
9	Over Discharge Current Protection	120±20A	Delay time 16ms-48ms
10	Short-Circuit Protection	Yes
11	Communication protocol	NO
12	Temperature protection	90℃
13	Short-Circuit Protection Release Conditions	Remove Load or Charge
14	BMS On-Resistance	≤50mΩ
15	PCM Consumption Current	≤100uA
16	Cell Balance	Charge Balance

48V customization battery models list