300W pure sine wave portable power station with 270Wh lithium battery, supports solar charging for camping, home backup and emergency use

300W Portable Energy‑Storage Power Station

 

Core Battery Specs

 

‑ Built‑in high‑energy‑density lithium‑ion battery

‑ Capacity: 270Wh (72800mAh, 3.7V), battery pack voltage 14.8V

‑ Adopts 18650 cells, single‑cell capacity 2600mAh, 4‑series‑7‑parallel configuration

‑ Long‑term cycle life: over 1000 charge‑discharge cycles

 

Charging Methods

 

1. DC adapter charging: DC 19V/2.0A input, around 8‑hour full‑charge time

 

2. Solar panel charging: DC5521 port, compatible with 18V‑28V/2.0A solar panels

 

Output Ports (All‑in‑one Power Supply)

 

‑ AC Output: 300W continuous pure‑sine‑wave AC output

‑ USB Port: 1×QC3.0 USB 18W；2×USB 5V/2A

‑ Type‑C PD Port: 18W fast‑charge port

‑ DC Ports: 2×12V‑16.8V 10A DC ports + 1 cigarette‑lighter‑style 12V‑16.8V 10A port

‑ 2‑W LED emergency lighting

 

Full Safety Protection System

 

Short‑circuit, over‑current, over‑voltage, under‑voltage, overload, over‑temperature six‑way safety protection.

 

Physical Parameters

 

‑ Product size: 235×150×158mm, net weight:2.9KG

‑ Material: ABS plastic, color: black‑orange

‑ Working temperature: ‑10℃‑40℃

 

Packing & Shipping

 

‑ Inner box size:308190207mm, single‑package weight:3.4KG

‑ Export carton: 3 units per carton；carton size 625320241mm, total carton weight 10.9kg

 

Application Scenarios

 

Power‑failure backup, outdoor work, night‑time power supply, disaster emergency power, medical‑device power, home energy storage.