300W Portable Battery Backup Power Station For Continuous Power Supply

Name: 300W Portable Battery Backup Power Station For Continuous Power Supply
Brand: Dongguan Tongbang Technology Co., Ltd
SKU: P300
Price: 90.00 USD
Availability: InStock

All Products

LiFePO4 Lithium Battery
(48)

Solar Energy Storage System
(8)

Wall Mounted Battery
(14)

Rack Mounted Battery
(8)

Stackable Battery Pack
(10)

12V LiFePO4 Battery Pack
(21)

24V LiFePO4 Battery Pack
(9)

48V LifePO4 Battery Pack
(10)

Portable Power Station
(20)

Power Lithium Battery
(25)

Certification

I'm Online Chat Now

300W Portable Battery Backup Power Station For Continuous Power Supply

Large Image : 300W Portable Battery Backup Power Station For Continuous Power Supply

Product Details:

Place of Origin:	China
Brand Name:	TONGBOND
Certification:	CE
Model Number:	P300

Payment & Shipping Terms:

Minimum Order Quantity:	200
Price:	USD 87~ USD 94
Packaging Details:	Carton
Delivery Time:	7 Working Days
Payment Terms:	T/T;Visa/PayPal
Supply Ability:	1000 Pieces Per Week

Contact Now

300W Portable Battery Backup Power Station For Continuous Power Supply

Description

Type Of Battery:

Lithium Battery

Product Name:

Portable Power Station; Portable Battery Generator

Energy:

300W

Application:

Fishing, Camping, Travel

Highlight:

300W Battery Backup Power Station

Continuous Battery Backup Power Station

300W Portable Backup Power Station

300W Portable Battery Backup Power Station For Continuous Power Supply

The 300W portable power station is your reliable guardian. It provides pure sine wave power, ideal for pricey, fragile electronics, unlike harmful square waves. Its smart BMS prevents overloads, overcharges (auto-off at full), and short circuits. Multiple fans cool it. With an MPPT controller, it efficiently harnesses solar power and allows use while charging (except AC), like powering a fridge with a solar panel.

300W Portable Battery Backup Power Station For Continuous Power Supply 0

Technical Parameters:

Dimension (LxWxH)	215150205 mm
Weight	3.5kg
AC voltage	110V or 220V (accpet customize)
Frequency	50Hz or 60Hz (accpet customize)
Inverter type	Pure Sine wave
Input	Adapter:DC5521 19V/3A 57W
	Solar panels: MPPT, 12V-20V, 5A 100W (Max)
	Type-C: 5V/9V/12V/15V=3A,,20V/5A(MAX) PD 100W
	In-car charger adapter: 12V/5A
Output	Continuous output power 300W
Output	Surge power 450W
LED lights	14W
Battery cycle life	500 times(capacity ≥ 85%)
Charging time	5- 6 hours
Working temperature	-10~45℃

300W Portable Battery Backup Power Station For Continuous Power Supply 1

300W Portable Battery Backup Power Station For Continuous Power Supply 2

Applications:

With many outputs (AC/DC/USB-A/USB-C), Steelite 300W/296Wh portable power station is perfect for long camping trips, power outages, and any other situation where power may be needed.

This device is compatible with most appliances up to 330W, such as laptops, tablets, cell phones, projectors, TV, mini-refrigerator (less than 9V), speaker, camera and CPAP medical devices.

Packing :

The portable outdoor power station is securely packed in a sturdy brown kraft paper box, providing a natural and eco-friendly look. Inside the box, high-density protective foam is precisely molded to cushion the product and accessories, ensuring maximum protection during transportation and handling.

300W Portable Battery Backup Power Station For Continuous Power Supply 3

FAQ:

Question: Can it charge a Bluetooth speaker?
Answer: Yes, if the speaker's power consumption is under 300W.

Question: Is it compatible with MacBooks?
Answer: Yes, it can charge most MacBooks as long as the power need is within 300W.

Question: Can I leave it plugged in overnight?
Answer: You can, but it's recommended to unplug it once fully charged to prolong battery life.

Overall Rating

5.0

Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings

5 stars

100%

4 stars

3 stars

2 stars

1 stars

All Reviews

Hendrik van der Merwe

South Africa Mar 20.2026

Helpful (9)

This system is a lifesaver with the frequent load-shedding here. The 15kWh capacity is more than enough to keep my entire family running comfortably through the night. Very impressed with the build quality and the smart BMS protection. Highly recommended for South African homeowners.

佐

佐藤健 (Ken Sato)

Japan Feb 16.2026

Helpful (2)

防災用に購入しました。コンパクトで持ち運びが楽です。ソーラーパネルとの接続も簡単で、非常時にとても役立ちそうです。満足しています！

Ryan G

Australia Feb 2.2026

Helpful (18)

Top-notch energy storage. The 51.2V 300Ah pack is a powerhouse for my solar setup. High capacity, stable output, and the build quality is solid. Perfect for off-grid living.

Tag:

Contact Person: Mr. Jack Luo

Tel: +86 15818458077

Other Products