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Brand Name : FULLYMAX
Model Number : FB1800XT-4S
Place of Origin : China
MOQ : 300
Price : To be negotiated
Payment Terms : T/T, Western Union, MoneyGram, etc
Supply Ability : 50Kpcs for stacking cell per day, 200Kpcs for winding cells per day
Delivery Time : 3~7 working days for small order, 14~21 working days with cells in stock for mass order, 4~6 weeks for cells out of stock
Packaging Details : color box
Model No. : FB1800XT-4S
Battery Type : Li-Polymer Battery
Capacity : 1800mAh
Model Description : 4S / 4Cell / 14.8V
Burst (10Sec) : 80C
Conti. C-rate : 140C
Dimensions(H x W x L ) : 32x31.5x04mm
Weight : 208g
Wh : 26.64 Wh
Discharge Plug : XT60
Wire length : 100mm
Balancer Connector Type : JST-XHR
| 
 
 | Fullymax 14.8V 1800mAh Li-Po 4S 80C battery XT60 high reliability and light weight properties Plug Airplane Battery 
 
 When people want to look for some reliable batteries for their great drones, FPV, model cars and other lithium battery powered devices, Fullymax will come to their mind as the first choice as Fullymax can always provide good quality and high performance lipo batteries for what they love. The 14.8V 1800mAh 4S 80C is one of hot selling. 
 Fullymax lithium polymer batteries are built to meet the highest requirement of the competition-level customers. Our battery cells are made of patented constituents of electrolytes, which have excellent performance at low temperature (with high discharge current even under -10℃) and higher discharge rates compared with other general batteries with similar density. By adding special nano-tech materials and using automatic/semi-auto equipments during cell processing, we obtain battery packs with high energy density (up to 230Wh/kg), low internal resistance, long cycle life, and high quality consistency. Meanwhile, a proper amount of Li3V2(PO4)3 added to the anode of our battery packs can effectively decrease the voltage dropping speed at the early stage of the battery discharge procedure, featuring flat discharge curve during normal usage. 
 Such unparalleled properties enable our battery packs find broad applications in a lot of demanding RC areas, such as Pylon Racing, EDF, Helicopters, Boats, Cars, and so on. They are lighter than most Li-Po batteries in the market with the same discharge rate and capacity; or say, they offers more capacity and output power than most Li-Po batteries in the market with the same weight! | 
 Related Feature
     Related Feature

For other configurations (without discharge plug) with same cell model, please refer below table.
| Battery pack | Model Description | Max cont. discharge | Burst (3Sec) | Dimensionsm | Weight | Wh | 
| FB1800XT-1S | 3.7V 1800mAh 1cell | 80C | 140C | 7.5x30x94mm | 43.5g | 6.66 | 
| FB1800XT-2S | 7.4V 1800mAh 2cell | 80C | 140C | 16.8x31x104mm | 119g | 13.32 | 
| FB1800XT-3S | 11.1V 1800mAh 3cell | 80C | 140C | 24.5x31x104mm | 162.5g | 19.98 | 
| FB1800XT-4S | 14.8V 1800mAh 4cell | 80C | 140C | 32x31.5x04mm | 208g | 26.64 | 
| FB1800XT-5S | 18.5V 1800mAh 5cell | 80C | 140C | 39.5x31.5x104mm | 251.5g | 33.30 | 
| FB1800XT-6S | 22.2V 1800mAh 6cell | 80C | 140C | 49.6x31x96mm | 311g | 39.96 | 
  Product Feature
     Product Feature 

-  Flat discharge curve
  
- Stable quality and excellent consistency.
  
- Low-resistance, high-reliability and light-weight properties
  
- Longer cycle life compared with most batteries in the market
- Extreme Power, High Energy Density.
 Application
      Application

RC Lipo Battery, Helicopter Battery, Airplane Battery
 Packaging & Shipping
      Packaging & Shipping

Regular Safety Packing Or As Customer's Requirements.
Shipping By Sea, Air Or UPS, DHL, FedEx Express.
PAYMENT TERMS

EXPRESS OPTIONS

 Manufacturing Capability
    Manufacturing Capability

| Capacity&Leadtime 
 | |
| ● Stacking/per day:50Kpcs 
 ● Winding/per day:5,00Kpcs 
 | ● Regular Model:≤8 weeks 
 ● Customized:16-18 weeks(The first order, if nonew facility added ) 
 | 
|  |  | 
| The new plant will be located in the Dongjiang Bay Industrial Park, which will be a national high-end industrial park special for new energy, new information technology and intelligent equipment fields based on the “3+7” industrial park planning and deployment proposed by Huizhou relying on the Greater Bay Area, aiming to integrate Huizhou’s “1+4” industrial parks. The area of the new plant is estimated to be 30,000 square meters. With new high-end equipment and workshop environment, the goal is to build a high-end production line dedicated to high-end customers. | 
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| Management Improvement according to international standards | 
|  |  | 
| 
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| Safety and environmental Certificates capability&service | 
 
 
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| Performance Test Capability | 
 
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 FAQ
     FAQ

| Q1. What are the diferences betwee high C-rate and low C-rate lithium? | 
| polymer (Li-Po) batteries. 
 
 | 
| Q2. How is a Li-Po battery made? | 
| When a Li-Po battery is made, five main aspects should be considered carefully: (1). Battery Pack should have suficient strength, so that the polymer battery inside could be efectively protected from mechanical shocks; (2). The polymer cell should be fixedto the battery pack onits large surface area - no cell movement in the battery packshould be allowed; (3). No sharp edge components should be inside the packcontaining the polymer battery, and meanwhile, suficient insulation layer between wiring and the cell should be used to maintain multiple safety protection; (4). Ultrasonic welding is recommended for polymer tab connection to obtain low-resistance, high-reliability and light-weight properties;(5). Polymer packs shouldbe designed carefully so that no shear force is applied, and also, no heat is generated even when leakage ocurs for mishaps. PCM from electrolyte leakage should be isolated as perfectly as posible, and narrow distance between bare circuit patterns should be avoided. 
 
 | 
| Q3. What gases are generated in the formation process. Are they dangerous? | 
| The generated gases include Co, CO2,H2, CH4 and so on. They are not dangerous because of low volume. 
 
 | 
| Q4.How many cycles should I expect for a RC Li-Po battery? | 
| In general situation of lower c-rate discharging, the lifetime of a RC Li-Po batery 
 | 
| Q5. Why do Li-Po batteries bloat/swell? | 
| The Li-Po batteries may bloat or swell due to the following reason: 1. Overcharging:Normally, the maximum charge voltage is 4.2V for RC batteries. If the batteries were overcharged beyond 4.4V, electrolytic oxidation process would happen, which generates mass gas leading to battery swelling. 2. Overheat:When discharging in high temperature or high C rate, the temperature of the inner part of the battery can be even higher, which gasify the electrolyte and results in swelling. 3. Shot-circuit.:If short circuit happened, the cell voltage would drop very fast and the electrolyte would be reactive to generate gases, leading to battery swelling. 4, Sealing:If sealed without proper processing, the battery cell would have water and air in, so that the electrolyte would be reactive to generate gases, leading to battery swelling. | 
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