FOSSiBOT FB3840 Expansion Battery - 3840Wh LFP (For FOSSiBOT F3600 Pro)

$1,299.00 $1,099.00 SAVE 15%
Tax included. Fast(3-5 Business Days), delivery from USA
  • 🔔 FB3840 Expansion Battery (Presale) Estimated shipping date: July 10
  • Features with a 100W USB-C and a 18W USB-A ports,you can use the FB3840 as a portable power station.
  • The FB3840 expansion battery enables it to recharge quickly through solar power at a 200W maximum loading scale.

Product Model: FB3840 | 3840Wh Expansion Battery

FB3840 | 3840Wh Expansion Battery

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FOSSiBOT FB3840 Smart Battery Pack

Compatible With FOSSiBOT F3600 Pro

Each FB3840 unit provides 3840Wh. Connecting one doubles the capacity to 7680Wh, while connecting two triples to 11520Wh. This ensures days of power for essential appliances with the FOSSiBOT F3600 Pro.

Solar Charge Or Ac Charge for Expandable Battery

FB3840 expansion battery can be recharged by a 200W solar panel or by car. When connected to the FOSSiBOT F3600 Pro, it can utilize all of the F3600 Pro charging methods.

Portable Power, Anytime

FOSSiBOT FB3840 offers portable power for you at anytime, anywhere. As long as you need it, it is ready for you.

Versatile DC Output Power

FB3840 comes with a 18W USB-A and a 100W type-C output port, allowing you to power your smartphones, laptops, fans, USB LED lights, and so on.

Informative Screen Display

Power Longer, Save Energy Bills

Paired with FOSSiBOT F3600 Pro, the companion will save much much money for your energy bills and power longer for your needs.

Safe LiFePO4 Battery,6500+ Lifespan

FB3840 expansion battery adopts the same EV-grade LiFeP04 battery with BMS protection. Safe and super long battery life for more than 10 years use.

PREVIEW

BATTERY INFO

Capacity:
3,840Wh (48V，80Ah)
Type:
LiFePO4 (Lithium Iron Phosphate)
Lifecycle:
6500+ Cycles to 50% Original Capacity
Shelf-Life:
Recharge to above 50% Every 3 Months
Management System:
MPPT Charge Controller, BMS, etc.

OUTPUT

Total Output Power:
4168W
Inverter Type:
Pure Sine Wave
Surge Power:
7200W
AC Outlets:
5 x AC Rated Power 3,600W
USB-C Ports:
3 x PD20W, 1 x PD100W
USB-A Ports:
2 x QC3.0 18W
Cigarette Lighter:
1 x 12V/10A
XT-60 (RV Outlet):
1 x 12V/25A
DC 5521 (5.5mm Outlet):
2 x 12V/3A
LED light:
1 x 3W LED light, 3 modes

INPUT

AC Input:
1500W Max.
5 Gears of Input Power Adjustment:
300W/600W/900W/1200W/1500W
Solar Input (XT90 to MC4):
2000W Max. (12-160V)
AC + Solar Input:
3500 Max.
Generator Input:
1100 Max.
Car Charger Input:
120 Max. (12/24V)

RECHARGE TIMES

AC (1500W):
≈3 Hours
Solar (2000W):
≈2.5 Hours (With prime sunshine, ideal orientation)
AC +Solar (3500W):
1H 50mins (With prime sunshine, ideal orientation)
12V/24V Car Outlet (100W/200W):
≈32 Hours@12V /16 Hours @24V

GENERAL

Scalability:
Expandable W/Up to 2 x FB3840
Simultaneous Recharge & Discharge:
Yes
Weight:
92.59 lbs(42KG)
Dimensions (LxWxD):
60.90 x 32.10 x 47.55 cm
Operating Temperature:
0℃~40℃/30℉~104℉
Storage Temperature:
0℃~40℃/30℉~104℉
Certification:
FCC,CE,PSE,RoHS,UN38.3,MSDS
Warranty:
24 Months

In The Box

FOSSiBOT FB3840 Expansion Battery User Manual

Download Now
Uptime Simulator

Please enter the product power of the electronic equipment you plan to use

W
Model Number FOSSiBOT F2400
Battery Capacity 2048Wh
Expected Uptime
Note: When actually using it, it is necessary to consider the environment such as the outside temperature, the self-consumption of the main unit, and the inverter conversion efficiency (when using AC). This is a reference value.

Faq