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


18650 Li-ion cell is a well-liked battery alternative for each lengthy vary FPV drones and gear comparable to FPV goggles and radios. Nevertheless, with so many choices available on the market, choosing the right 18650 cells may be overwhelming. I examined varied 18650 batteries, evaluating their efficiency and true capability to search out the perfect batteries that supply 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 gear. The 18650 Li-ion battery emerges as a best choice as a consequence of its stability of huge availability, longevity, and cost-effectiveness. It’s significantly 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 satisfactory for drones designed for effectivity and endurance.

For a deeper dive into the professionals and cons of Li-ion batteries over LiPo, take a look at this put up: 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 accessible and used throughout varied digital gadgets and instruments.

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

The Contenders

To search out the perfect, I examined a wide range of 18650 batteries from respected manufacturers, contemplating totally different specs for a well-rounded evaluation.

* Value in accordance with my native reseller on the time of publishing.

** Weight is measured on my own

Testing Methodology

To find out the perfect batteries, I targeted 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 gear 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 perfect for high-demand lengthy vary FPV flying. The Sony VTC5A and VTC6 have been shut contenders, performing admirably as nicely.

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

By way of 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 Capability Measured mAh (Cutoff 2.9V)
Sony VTC5A 2500mAh 2415mAh
Sony VTC6 3000mAh 2939mAh
Molicel P30B 3000mAh 2851mAh
Molicel P28A 2800mah 2627mAh
Molicel M35A 3500mah 3263mAh
Sanyo NCR18650GA 3500mah 3265mAh
Radiomaster 3200mah 3058mAh
Radiomaster 2500mah 2583mAh

Primarily based on our testing, listed here are our high 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 alternate options, with the VTC6 barely edging out in flight time and the P28A offering a bit extra punch.

Prime selections:

Second selections:

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 concerns.

Prime selections:

  • Sanyo NCR18650GA:
  • Molicel M35A:

Second selections:

Constructing Your Personal Pack

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

Whereas I’ve examined varied pre-made 6S Li-ion packs from respected distributors, none matched the efficiency of Molicel cells (I suppose they don’t seem to be utilizing the perfect cells to maximise revenue). Due to this fact assembling your personal 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 components. I hope our comparability and testing helped you determine which 18650 cells to get. Completely satisfied flying!

Charging 18650 Batteries

Fashionable LiPo chargers sometimes assist Li-Ion battery kind; merely join them as you’ll a LiPo battery. For charger suggestions, take a look at: 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 check outcomes on new market-available 18650 cells.

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