✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Us Stock Betteress 48v 51.2v 300ah 15kwh All-in-one Mobile Power Station With 5kw Hybrid Inverter Flash Sale: 55% Off [f5gEQaVH]

$137.99 $441.99 -69%

Note: Please pay attention to the description. The product in this link is a "EU Standard" model.Free Shipping & TAX Our current price is the final price, free shipping and free customs duties, you don't need to pay any other fees.Our brand produ

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Us Stock Betteress 48v 51.2v 300ah 15kwh All-in-one Mobile Power Station With 5kw Hybrid Inverter Flash Sale: 55% Off [f5gEQaVH]

Note: Please pay attention to the description. The product in this link is a "EU Standard" model.

Free Shipping & TAX 

Our current price is the final price, free shipping and free customs duties, you don't need to pay any other fees.

Our brand products currently only have warehouses in Germany. If you see the same model of products in stock in other stores in other European countries, such as Spanish stocks, please consider it carefully!!!

【Feature】: BetterESS 48V 51.2V 300Ah 15Kwh All-in-one battery built-in 5KW inverter with active balancer module and lifepo4 temperature-sensitive fire extinguisher; Battery and inverter integrated into one, easy to install, plug and play.

【Energy Expansion】: BetterESS 15Kwh All-in-one battery built-in 5KW inverter, it can connect all in one battery of the same model to form three phases system or just to expand capacity; It can also connect 15KWH battery (without inverter) to expand capacity,but the battery model must be the same.

【Usage】: BetterESS 15Kwh All-in-one ESS perfect for solar home systems, power outages, off-grid living.

【Note】:If you want to expand your system, please order products from the same store and tell the staff your original order number.


Doculoadable documents

User manuals

 

SPECIFICATIONS 

BATTERY:

Nominal Voltage: 48V/51.2V

Nominal Capacity: 300Ah

Actual capacity: 300Ah

Battery Energy: 5kWh

Internal Resistance: ≤100mΩ

Cycle Life: 6000+ Cycles @ 0.2C/25℃ Charging/Discharging at 80%DOD,Until 80% Capacity.

Self Discharge: ≤3.5%(every month@25°C)

Battery Working Voltage: 44.8~57.6V

Maximum Charging Current: 100A

Maximum Discharging Current: 100A

Charging temperature: 0°C to 45°C

Discharge temperature: -10°C to 45°C

Dustproof and waterproof rating: IP20

Size: 520x300x1005mm

Gross Weight: 175KG

Communication Ports: RS485/CAN*1

Warrantty: 10-15 years Life, 5 years Warranty

 

INVERTER:

PV CHARGE

PV Charge Type: MPPT

Maximum Input Power: 5500W

PV Charging Current: 0~100A

PV Operating Voltage Range: 120~500V

MPPT Voltage Range: 120~450V

AC CHARGE

Maximum Charge Power: 3150W

AC Charging Current Range: 0~60A

Rated Input Voltage: 220/230Vac

Input Voltage Range: (170Vac~280Vac) ±2%/(90Vac-280Vac)±2%

AC OUTPUT

Rated Output Power: 5500W(16S)/5000W(15S)

Maximum Output Current: 22A

Frequency: 50Hz/60Hz

Overload Current: 40A

BATTERY INVERTER OUTPUT

Rated Output Power: 5500W(16S)/5000W(15S)

Maximum Peak Power: 11KVA

Rated Output Voltage(Vac): 230Vac

Frequency: 50Hz

Auto Switch Period: <15ms

THD: <3%

Precautions

•No matter what the charging model is, once the temperature of the cell is above the absolute charging temperature, charging should be stopped.

• Please check the orientation of the positive and negative terminals before packaging.

•Connect the terminal or wire to the battery module, and pay attention to insulation to prevent short circuit.

• When not in use for a long time, the battery should be stored in a cool and dry place (<35°C, 30%~50% SOC, charge and discharge once every 3 months).

• Do not place the battery in direct sunlight or a heat source.

• Do not wear metal jewelry (such as rings, watches, accessories, etc.) when handling the battery unit.

 

Important Notes:

1. Do not charge beyond the maximum charging rate.

2. Do not disassemble or modify the battery.

3. Do not throw or hit the battery.

4. Do not pierce the battery with sharp objects (such as nails, knives, pens, electric drills).

5. Do not mix with other types of batteries or modular units.

6. Do not excessively squeeze the battery during use.

7. Do not place the battery in a high temperature greater than 60°C.

8. Do not use conductive materials to connect the positive and negative terminals (such as metals, wires).

What Our Customers Say

February 2, 2026

Absolutely no complaints!

A truly great item that I'm proud to own.

- Luke Gray.

February 2, 2026

Absolutely no complaints!

Beautifully designed and very functional.

- Megan Young.

February 2, 2026

Absolutely no complaints!

The product is a great time-saver.

- Opal Martinez.

Write a Review

You Might Also Like

Discover more great products from our collection.

P171715

P171715

(481)
$20.99 $67.99 -69%
Rai-1079 - Rain - Rugs

Rai-1079 - Rain - Rugs

(92)
$30.99 $99.99 -69%
San Antonio :: Solid Black

San Antonio :: Solid Black

(521)
$35.99 $115.99 -69%
FRONT SHOCK ABSORBER ASSEMBLY

FRONT SHOCK ABSORBER ASSEMBLY

(908)
$55.99 $179.99 -69%
GLITCH TEE

GLITCH TEE

(478)
$33.99 $108.99 -69%
Zucca Continental Wallet

Zucca Continental Wallet

(262)
$59.99 $191.99 -69%
Kenn's Broome Street Bar

Kenn's Broome Street Bar

(108)
$30.99 $99.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY