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Discovering the Finest 18650 Li-Ion Battery for FPV Lengthy Vary Flying and Gear

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18650 Li-ion cell is a well-liked battery selection for each lengthy vary FPV drones and tools akin to FPV goggles and radios. Nevertheless, with so many choices in the marketplace, selecting the right 18650 cells may be overwhelming. I examined numerous 18650 batteries, evaluating their efficiency and true capability to seek out the perfect batteries that provide lengthy flight instances and dependable efficiency.

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Why 18650 Li-ion Batteries?

Selecting the best battery is essential for optimizing the efficiency of FPV tools. The 18650 Li-ion battery emerges as a best choice resulting from its steadiness of broad availability, longevity, and cost-effectiveness. It’s notably favored by long-range FPV pilots for its superior energy-to-weight ratio in comparison with conventional LiPo batteries. Though it could not ship the excessive present output of LiPo batteries, it’s enough for drones designed for effectivity and endurance.

For a deeper dive into the professionals and cons of Li-ion batteries over LiPo, try this publish: https://oscarliang.com/li-ion-battery-long-range/

Left: 4S 1500mah LiPo; Proper: 4S 3500mAh Li-ion

To sum it up, right here’s why 18650 batteries are most popular for FPV drones and equipment:

  • Capability and Effectivity: They provide substantial power storage in a compact kind issue.
  • Rechargeability: These batteries are able to a whole bunch of cost cycles with out important degradation.
  • Availability: They’re extensively out there and used throughout numerous digital units and instruments.

Enthusiastic about long-range flying? Try the following pointers: https://oscarliang.com/long-range-fpv-flying-mini-quad/

The Contenders

To search out one of the best, I examined quite a lot of 18650 batteries from respected manufacturers, contemplating completely different specs for a well-rounded evaluate.

* Value based on my native reseller on the time of publishing.

** Weight is measured on my own

Testing Methodology

To find out one of the best batteries, I centered on two key efficiency indicators:

  • Capability: Measured by discharging batteries at a gradual price (2A) from 4.2V per cell right down to 2.9V to precisely gauge their power storage capabilities.
  • Voltage Sag: Assessed by discharging at a quicker price (12A) from 4.2V per cell to 2.9V to guage their efficiency below load all through the discharge cycle.

In case you might be curious what testing tools I used, it was the SkyRC BD350 discharger.

Outcomes and Suggestions

When evaluating the discharge price, the Molicel P30B and P28A stood out for delivering constant energy, particularly below heavy load, making them ideally suited for high-demand lengthy vary FPV flying. The Sony VTC5A and VTC6 had been shut contenders, performing admirably as properly.

18650 Li Ion Battery Fpv Long Range Flying Equipment 2024 Testing Result

When it comes to true capability, the Molicel M35A and Sanyo NCR18650GA led the pack, providing the best mAh at roughly 3260mAh. Right here’s an in depth breakdown of marketed versus measured capacities:

Marketed CapabilityMeasured mAh (Cutoff 2.9V)
Sony VTC5A 2500mAh2415mAh
Sony VTC6 3000mAh2939mAh
Molicel P30B 3000mAh2851mAh
Molicel P28A 2800mah2627mAh
Molicel M35A 3500mah3263mAh
Sanyo NCR18650GA 3500mah3265mAh
Radiomaster 3200mah3058mAh
Radiomaster 2500mah2583mAh

Primarily based on our testing, listed below are our prime suggestions for various FPV wants.

18650 Li Ion Battery Fpv Molicel P30b 3000mah

For lengthy vary FPV flights, the Molicel P30B emerges because the best choice for its distinctive capability and discharge efficiency, minimizing voltage sag. The VTC6 and P28A are wonderful options, with the VTC6 barely edging out in flight time and the P28A offering a bit extra punch.

High decisions:

Second decisions:

18650 Li Ion Battery Fpv Sanyo Ncr18650ga 3500mah

For low present purposes like powering FPV goggles and radios, the Molicel M35A and Sanyo NCR18650GA are my go-to choices. The Radiomaster 3200mAh and VTC6 are additionally worthy issues.

High decisions:

  • Sanyo NCR18650GA:
  • Molicel M35A:

Second decisions:

Constructing Your Personal Pack

You may construct your individual battery packs utilizing singular 18650 cells following this information: https://oscarliang.com/li-ion-battery-long-range/.

Whereas I’ve examined numerous pre-made 6S Li-ion packs from respected distributors, none matched the efficiency of Molicel cells (I assume they aren’t utilizing one of the best cells to maximise revenue). Due to this fact assembling your individual Li-ion battery pack utilizing top-quality cells, ensures the absolute best efficiency, generally even cheaper.

Conclusion

Selecting the best 18650 Li-ion battery requires weighing a number of efficiency elements. I hope our comparability and testing helped you resolve which 18650 cells to get. Blissful flying!

Charging 18650 Batteries

Fashionable LiPo chargers usually assist Li-Ion battery kind; merely join them as you’d a LiPo battery. For charger suggestions, try: https://oscarliang.com/choose-lipo-battery-charger-power-supply/

Hglrc Thor Pro 6 Port Parallel Charging Board Xt60 & Xt30 Lipo Charger Batteries Li Ion

Edit Historical past

  • Feb 2018: Article creation.
  • Mar 2024: Replace with the most recent take a look at outcomes on new market-available 18650 cells.

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