portable power supply
300W Power Bank
This 62400mAh portable charger offers AC (300W) and DC (19V 3.5A, 12V 3A) outputs to power laptops, appliances, and other devices.
Fast Charging Power Bank
- Li-ion Battery Capacity(mAh): 62400
- AC Power(W): 300
- AC Output: 110V/60Hz, 220V/50Hz
- DC USB: 5V/4A
- Charging: DC 15v-2.5A
- Output : AC :110V-240V 50-60Hz 300W ; 3*USB1: 5V 4A ; 1*DC 12V 3A ; 1* DC 19V 3A
- Battery:
- This high-quality lithium-ion battery boasts high capacity, durability, and avoids memory effect. For optimal performance, use it between 10°C and 30°C (50°F and 86°F).
- Avoiding Interference:
- While charging, keep the power bank away from TVs, radios, and other devices to prevent interference.
- Long-Term Storage:
- Before storing the power bank unused for a long time, disconnect all cables and ensure all outputs are off.
- Compatibility:
- Some devices might require enabling “charge mode” for charging. Refer to your device’s manual for details.
- Battery Maintenance:
- To extend battery life, recharge the power bank at least once every 2-4 months.
| Battery capacity: | 62400mAh | Dimensions (L*W*H) | 225×70×150mm |
|---|---|---|---|
| Built-in battery technology: | 100% high ratio lithium battery | Power and alarm indicator: | LED display |
| Charging (Φ 5.5*2.1mm interface) | DC 12-20V / 2.5A | Charging time: | DC 15V/2.5A : 8-9 hours |
| USB output: | DC 5V/4A | DC12V output (Φ 5.5*2.1 mm interface) | DC 12V/3A |
| DC19V output (Φ 5.5*2.1mm interface) | DC 19V/3.5A | Lighting function: | 3W LED lighting, 2 Levels brightness adjustable |
| AC rated power: | 300W(Peak power 450W) | Display: | LED display (power, DC state, AC state, charge state) |
| Output Features: | USB and AC output can be discharged while charging | Working temperature: | -20℃-60℃(-4°F~140°F) |
| Cycle life: | 500 | Accessories included: | 1* portable power bank 1* power adapter 1* user manual |
Instruction for 300W home battery backup power
How to supply power to AC electrical appliances using this power bank with plug socket?
Powering AC Appliances:
- Turn on the AC power switch. The LED display should indicate successful activation (check manual for specific symbol).
- Connect your appliance’s cable to the AC outlet on this product.
- If the LED displays an alarm symbol (consult manual) upon turning on the AC switch, immediately disconnect your appliance and turn off the power bank. This indicates a potential issue.
- To turn off the AC output, switch off the AC power button.
How to provide power for DC 12V, 19V, and USB appliances?
Powering DC and USB Devices:
Briefly press the power button to turn it on. The LED display should light up, indicating that the USB, DC12V, and DC19V outputs are active.
Connect your device’s cable to the corresponding port (USB, DC12V, or DC19V) on the power bank. The output you choose should match the information displayed on the screen for that specific port.
LED Light:
- Double-press the power button to activate the light.
- With the light on, a single press of the power button cycles through brightness levels (usually two).
- Double-press the button again to turn off the light.
FAQ
Frequently Ask Questions
The mostly asked questions about portable power supply for phone
The rechargeable portable power supply features a built-in high-quality Grade A lithium-ion battery, ensuring no memory effect and high capacity. It's durable and recommended for use within a temperature range of 10~30℃ to achieve optimal charging capacity.
It features an internal, non-removable, rechargeable battery with over 500 cycles. Do not attempt to remove the battery, as this may damage the device.
Always return your used electronic devices, batteries, and packaging materials to dedicated collection points. This helps prevent uncontrolled waste disposal and promotes recycling.
We provide a 1-year product warranty for any defective parts or materials. Repair or return services are available.
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Inquiry for 300W laptop power bank
- Versatile Power: Charges laptops via DC and Type-C ports, along with various devices through 3 USB outputs.
- Dual AC Power: Provides AC power (up to 300W) for appliances with compatible voltage (100V-240V).
- High Performance: Delivers 100% real capacity with long-lasting, grade-A battery cells.
- Enhanced Safety: Equipped with comprehensive safety protections for secure operation.