BY4850DC 3KVA AC Portable Power Station

Specifications

Product Specification Sheet

Parameter	Specification
Product Model	BY2420DCS00WAC
Output Power	Rated 480Wh
Input Voltage	AC110–220V, 50/60Hz
Output Voltage	AC220V / 50Hz or AC110V / 60Hz
Battery Capacity	20Ah
Nominal Voltage	24V
Energy	480Wh
USB Output	4 ports, compatible with any smartphone and iPad charging
DC Output	Two 24V outputs, 12V output, 5V output, max output current 10A
LED Light	3W
Solar Charging	18V input, max power 100W
Output Waveform	Pure sine wave
UPS Function	Switchover time as specified
Overload Protection	AC output disconnects upon overload, red indicator light on; remove load and restart to recover
Short Circuit Protection	AC output disconnects upon short circuit; remove load and restart to recover
Lithium Battery Features	Supports high current charge/discharge; features overcharge, over-discharge, and short circuit protection
Low Voltage Alarm	Buzzer alarm when voltage drops below 21V; disconnect output and charge the UPS
Temperature Protection	Fan activates when temperature exceeds 45℃; automatically shuts off below 40℃
Weight	3.5 kg
Dimensions (L×W×H)	303 × 110 × 177 mm

Battery Performance Parameters:

No.	Parameter	Specification
1	Nominal Capacity	20 Ah
2	Minimum Capacity	19.8 Ah
3	Nominal Voltage	24 V
4	Charge Voltage	29.4 V
5	Discharge Cut-off Voltage	21 V
6	Energy	480 Wh
7	Discharge Protection Voltage	21 V
8	Charge Protection Voltage	29.55 V
9	Discharge Overcurrent Protection	40 A
10	Battery Internal Resistance	≤ 100 mΩ
11	Standard Charge Current	3 A
12	Standard Discharge Current	0.5C (5A)
13	Fast Charge Current	0.5C (5A)
14	Fast Discharge Current	10 A
15	Max. Continuous Charge Current	10 A
16	Max. Continuous Discharge Current	10 A
17	Max. Pulse Discharge Current	80A / 1s
18	Storage Temperature / Humidity Range	-20℃ ~ 60℃ / 60% ± 25% RH

Features at a Glance:

Multi-Function Portable Power Station: 480Wh capacity with pure sine wave AC output
Versatile Output Ports: AC outlet, 4× USB ports, 24V/12V/5V DC outputs, and LED light
Solar Charging Support: 18V / 100W max solar input for off-grid recharging
UPS Function: Uninterruptible power supply with automatic switchover
Car Jump Starter: Supports 2.0–3.0L vehicles with 30+ jump starts
Comprehensive Protections: Overload, short circuit, overcharge, over-discharge, overcurrent, and temperature protection
Smart Cooling: Temperature-controlled fan for optimal thermal management
Low Battery Alert: Buzzer alarm at 21V to prevent over-discharge
Ideal Applications: Emergency home backup, outdoor activities, camping, RV travel, and mobile workstations