Shenzhen Elite New Energy Co., Ltd. 86-755-84862035
Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply

Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply

  • High Light

    300Wh Portable Li Ion Battery


    14.8V Li Ion Battery Pack


    300Wh Portable Lithium Battery Pack

  • Battery Model
    14.8V 20.4Ah
  • Energy
  • Application
    Lamp, Computer, Laptop, LED Light, Mobile Phone Etc.
  • Self-diacharge Current
  • Charger
    With Charger
  • Anode Material
  • Port
    USB, TYPE-C, DC, AC Etc.
  • Cycles
    ≥2000 Cycles
  • Type
    Li-ion Portable Battery
  • Place of Origin
    Guangdong, China
  • Brand Name
  • Certification
    CE, UL, MSDS, UN38.3, MSDS
  • Model Number
    300W Portable Battery
  • Minimum Order Quantity
  • Price
  • Packaging Details
    Carton box with pallet
  • Delivery Time
    30 Days
  • Payment Terms
    L/C, D/A, D/P, T/T, Western Union, MoneyGram,Paypal
  • Supply Ability
    10000 PCS/Month

Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply

Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply


Hand-held Li Ion Battery 300Wh Power Supply 14.8V 20.4Ah Portbale Pack


Li-ion Portable Battery Features

1. Widely input voltage range
2. Fast-charging USB ports
3. Well-designed for ease of portability
4. Convenient with more power output like AC, USB, and 12VDC
5. Easy to set up even during an emergency
6. LCD display to show charging and dispensing progress
7. Overload and short circuit protection
8. Metal case to make the product difficult to deform to guarantee long lifetime usage
9. Smart multi-stage battery charger with optional equalization for optimized battery performance

10. Low self-discharging current.




▶ Can be charged by solar energy, vehicles and municipal electricity, fastest full charged time is 4h

▶ Covers 99% USB charging device (mobile phone, ipad, camera)

▶ Providing USB QC3.0 port which supports QC fast charge protocol (mobile fast charge)

▶ Providing TYPE-C, 45W, PD protocol, directly adapts to PD protocol laptop power supply

     ▶ Providing DC 12V car cigarette lighter interface, which can be supply power for car emergency start and other on-board electrical appliances

▶ Providing DC5521, 12-13V power supply for UAV, aviation models and outdoor applications

     ▶ AC 110V or 220V port can supply power to most small and medium-sized household appliances (TV, electric fan, indoor lighting)

▶ Built-in LED lighting, providing four modes of low brightness, high brightness, SOS, and flash



Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply 0Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply 1

Deep Cycle Portable ELT POWER -- uA-300Wh for Outdoor Energy Supply
Battery Specification
Battery Spec. 14.8V 20.4Ah 300Wh

14.8V 33.8Ah 500Wh

Battery Self-discharge Current



Adapter Charge 120Wmax(17V-25V), efficiency 98%

120Wmax(17V-35V), efficiency 97%

Photovoltaic MPPT Charging 100Wmax(17V-25V), efficiency 98%

100Wmax(17V-35V), efficiency 97%

USB-QC3.0 5-12V,18W


TYPEC-PD 5-20V,45W


DC5521 12V,5A


AC 110V or 220V

110V or 220V

Car Cigarette Lighter 12V,10A


LED 10-20W


Over-discharge Protection 12V±0.3V


Over-charge Protection 16.8V


Discharge Over Temperature


65℃ 65℃

Charge Over Temperature


45℃ 45℃
Over Current Protection 60A(<1S)


Short Circuit Protection 200A(<1mS)


Weight 3.5kg


Size(L×W×H) W175*L125*H115mm


Color Black/Silver/Grey Black/Silver/Grey


Handheld 14.8V 20.4Ah 300Wh Portable Li Ion Battery Pack Power Supply 2


Technical Features


  • All DC transformations use synchronous rectification technology, including charging, USB, QC, TYPE-C (PD), DC12V with high efficiency (93% to 98%), low heating and indirectly increasing battery capacity by 5%-10%.
  • Adopting EV grade A lithium ion cell, whose life time is 2-3 times longer than ordinary cell.
  • AC uses pure sinusoidal wave and non-corrected wave to provide better power quality for AC power equipment and radiator enclosure design (no fan, mute version).
  • The car does not need to open the hood, the car starts directly inside, the operation is easier. Flexible start-up, no impact current, reverse connection and other risks, battery more safe and durable.
  • Real MPPT photovoltaic charging, non-ordinary solar charger, 10% higher utilization rate than an ordinary solar charger.
  • Adaptive charging, voltage 17-24v, power 60-120w, and the optimal charging current is automatically adjusted according to the adapter. Protect the adapter while the fastest charging.
  • BMS has dual high and low pressure, high and low temperature, overcurrent protection, software balance, SOC measurement, and other functions, which can guarantee the stable and reliable operation of battery.
  • The whole system is shut down in a completely power-down mode. The power consumption of the whole system is less than 100ua, and only 1/3 to 1/2 of the same kind of products are available. Provide the best solution for long time storage.
  • The design of uniform internal resistance, such as the convergent use of battery module, ensures the uniform use of electric cell, prevents uneven attenuation, and extends the service life of battery module by more than 10%.
  • Aluminum alloy shell anodized, panel using PC hardened material, anti-ordinary scratch, remain newly after years of using.


Component Details


No. Item Quantity
1 Power supply 1
2 Wire 1
3 19V5A Adapter 1

Car ignition, car charger two in

one cable

5 Instruction book 1
6 19V ≤100W Solar panel (Optional) 1


Why Elite's 300W Portable Battery?


1. We offer one-stop power solutions, which saves design time and cost for customer:
-- Pack design / External Case design / BMS design

2. Strict quality control system which enhances customers' competitiveness:
-- 100% PCM test by IQC
-- 100% Capacity test by OQC

3. Delivery on time & excellent service:
-- Fast Delivery in 10 days if stock
-- 8h response & 48h solution

4. Experienced R&D team, be customer's professional power solution consultant:
-- Comprehensive Battery Test Center (Safety and Reliable test)
-- Powerful ODM Ability to Afford Customized Design Requirement