That confirms Virisenox’s recommendation in the other post :+1: thank you! I try to find the best price…

Xiaolu Product Page

edit

I forget to ask 1 question about driver; I have just buy a M2X-UT olight with a extension tube to have 2x battery power.

How to make the light become super hot rod ?? is there a good driver recommended for this light so I can get more power to xpl-hi led?? Reflector is very nice and can throw very good, but people say can boost it…

sorry for asking stupid question but I don’t know very well electronic.

You can do one mod to boost it without replacing the driver, and that is bypassing a spring.

Steel is not a good conductor of electricity compared to copper.

In fact, on average, it has 5% the conductivity of copper.

Take 20AWG copper wire, solder it to the top of the spring, then around the spring, solder it to the bottom, and you are good.

Replacing the driver is going to be harder, so ask people to help. I can’t right now since I need to sleep. Ciao!

There is no need to get too technical. Battery capacities vary based on load, temperature, etc… He just wants to buy some “good” ones. No Panny B, no old ones, Ultrafires, etc…

I consider the best batteries the high drain ones because I usually don’t run them down below 3.5v anyway. That extra capacity is lost on me, but I sure like the reduced voltage sag. :+1:

G is not a mAh cell unless you over-discharge it to a silly level.
See this test:
https://lygte-info.dk/review/batteries/Evva%%mAh%20(Black)%20UK.html
It is extremely close to GA. In this test it shows higher IR (which may be due to protection) and exactly the same capacity. So really more like mAh. Actually we’ve seen some rewrappers (Klarus comes to mind) replacing G with GA in their lineup while retaining mAh marking.
https://lygte-info.dk/review/batteries/Commoncomparator.php
Compare discharge curves of G and GA at low amps, all the bumps line up.

Can’t speak about the others though.

Battery's capacity is defined in the IEC- standard as the capacity at 0.2C discharge to the cut-off voltage (see datasheet) after being charged at the standard charge current (see datasheet) and left for 1-4hrs befor discharging. All this must be done at 25±5°C.

Of course we can charge and discharge at any current and measure the capacity as we want, but the nominal capacity according to the standard and mentioned by the manufacturers is the one i described above.

I haven't tested any of Gs so i have nothing to say about their actual capacity. Maybe Panasonic stopped its production due to such poor performance.

You get my point though, right? In real use you don’t get that exact 0.2C discharge, etc…

So in a flashlight the capacities vary.

MrGrun just wants to avoid any duds. All those cells mentioned above are about equal in real world use. Your not going to notice an extra 100mah.

I will order several batteries end of July for me and my friend also. I just want to get the best value product. From the vote, majority say Sanyo is the best (made in Japan) I don’t know HKJ BS procedure testing, but I rather trust BLF users experience. I am just afraid to get fake Sanyo

Any recommendation for some trusted online Sanyo battery seller? (my friend stay in USA)

thank you

Depends what you want.

NCRGA has a slightly higher max amperage than the 35E.

35E, however, has a slightly longer run time at lower outputs (<0.5A and below). They are about the same at 1A.

The MJ1’s are pretty similar but seems to be slightly worse.

LOL

Additional reading:
Melt Blown Sediment Filters — Buy at FilterWay.com
Induction Heating: Everything You Wanted to Know, But Were Afraid ...
SCAFCO Frac Sand Storage Bins - Sioux Steel Company

Want more information on High power INR batteries? Feel free to contact us.

If you had a chance to have sex with Angelina Jolie would you do that or you'd prefer to ask Brad Pitt how she does in the bed?

Having all 4 cells in my hands and a good equipment i preferred to do my own tests at the same time in the same conditions, following the IEC- standard rather than just sitting in the sofa and posting others' tests.

HKJ has inspired me a lot and i think not only me but also hundreds or even thousands of others. King regards to him from Russia!

Finding the Best Li-Ion Battery for FPV Long Range Flying and Equipment

11.2K

Li-ion cell is a popular battery choice for both long range FPV drones and equipment such as FPV goggles and radios. However, with so many options on the market, selecting the best cells can be overwhelming. I tested various batteries, comparing their performance and true capacity to find the ideal batteries that offer long flight times and reliable performance.

Some of the links on this page are affiliate links. I receive a commission (at no extra cost to you) if you make a purchase after clicking on one of these affiliate links. This helps support the free content for the community on this website. Please read our Affiliate Link Policy for more information.

Table of Contents

Why Li-ion Batteries?

Choosing the right battery is crucial for optimizing the performance of FPV equipment. The Li-ion battery emerges as a top choice due to its balance of wide availability, longevity, and cost-effectiveness. It’s particularly favored by long-range FPV pilots for its superior energy-to-weight ratio compared to traditional LiPo batteries. Although it may not deliver the high current output of LiPo batteries, it is adequate for drones designed for efficiency and endurance.

For a deeper dive into the pros and cons of Li-ion batteries over LiPo, check out this post: https://oscarliang.com/li-ion-battery-long-range/

To sum it up, here’s why batteries are preferred for FPV drones and accessories:

• Capacity and Efficiency: They offer substantial energy storage in a compact form factor.
• Rechargeability: These batteries are capable of hundreds of charge cycles without significant degradation.
• Availability: They are widely available and used across various electronic devices and tools.

Interested in long-range flying? Check out these tips: https://oscarliang.com/long-range-fpv-flying-mini-quad/

The Contenders

To find the best, I tested a variety of batteries from reputable brands, considering different specifications for a well-rounded review.

Price* / Weight** Per Cell Product Page Sony VTC5A mAh
$8.99 / 48.3g AE: https://s.click.aliexpress.com/e/_Dch2E5F
GF: https://oscarliang.com/product-kttw Sony VTC6 mAh
$12.50 / 46.9g AE: https://s.click.aliexpress.com/e/_DdTpbXb
GF: https://oscarliang.com/product-0owd Molicel P30B mAh
$10.50 / 45.5g AE: https://s.click.aliexpress.com/e/_Dmp0uVT Molicel P28A mah
$9.50 / 45.3g AE: https://s.click.aliexpress.com/e/_De9xMd7
RDQ: https://oscarliang.com/product-6ohi
GF: https://oscarliang.com/product-u8yp Molicel M35A mah
$8.99 / 46.7g AE: https://s.click.aliexpress.com/e/_DcGMxEh Sanyo NCRGA mah
$8.99 / 47.2g AE: https://s.click.aliexpress.com/e/_DCRVMQl
RDQ: https://oscarliang.com/product-vknc Radiomaster mah
$11.99 / 46.2g RM: https://oscarliang.com/product-ykiv
AE: https://s.click.aliexpress.com/e/_DdrOSo1 Radiomaster mah
$8.99 / 45.2g RM: https://oscarliang.com/product-ykiv
AE: https://s.click.aliexpress.com/e/_DdrOSo1

* Price according to my local reseller at the time of publishing.

** Weight is measured by myself

Testing Methodology

To determine the best batteries, I focused on two key performance indicators:

• Capacity: Measured by discharging batteries at a slow rate (2A) from 4.2V per cell down to 2.9V to accurately gauge their energy storage capabilities.
• Voltage Sag: Assessed by discharging at a faster rate (12A) from 4.2V per cell to 2.9V to evaluate their performance under load throughout the discharge cycle.

In case you are curious what testing equipment I used, it was the SkyRC BD350 discharger.

Results and Recommendations

When evaluating the discharge rate, the Molicel P30B and P28A stood out for delivering consistent power, especially under heavy load, making them ideal for high-demand long range FPV flying. The Sony VTC5A and VTC6 were close contenders, performing admirably as well.

In terms of true capacity, the Molicel M35A and Sanyo NCRGA led the pack, offering the highest mAh at approximately mAh. Here’s a detailed breakdown of advertised versus measured capacities:

Advertised Capacity Measured mAh (Cutoff 2.9V) Sony VTC5A mAh mAh Sony VTC6 mAh mAh Molicel P30B mAh mAh Molicel P28A mah mAh Molicel M35A mah mAh Sanyo NCRGA mah mAh Radiomaster mah mAh Radiomaster mah mAh

Based on our testing, here are our top recommendations for different FPV needs.

For long range FPV flights, the Molicel P30B emerges as the top choice for its exceptional capacity and discharge performance, minimizing voltage sag. The VTC6 and P28A are excellent alternatives, with the VTC6 slightly edging out in flight time and the P28A providing a bit more punch.

Top choice:

• Molicel P30B:
  • AE: https://s.click.aliexpress.com/e/_Dmp0uVT

Second choices:

• P28A:
  • AE: https://s.click.aliexpress.com/e/_De9xMd7
  • RDQ: https://oscarliang.com/product-6ohi
  • GF: https://oscarliang.com/product-u8yp
• VTC6:
  • AE: https://s.click.aliexpress.com/e/_DdTpbXb
  • GF: https://oscarliang.com/product-0owd

For low current applications like powering FPV goggles and radios, the Molicel M35A and Sanyo NCRGA are my go-to options. The Radiomaster mAh and VTC6 are also worthy considerations.

Top choices:

• Sanyo NCRGA:
  • AE: https://s.click.aliexpress.com/e/_DCRVMQl
  • RDQ: https://oscarliang.com/product-vknc
• Molicel M35A:
  • AE: https://s.click.aliexpress.com/e/_DcGMxEh

Second choices:

• RM mah:
  • RM: https://oscarliang.com/product-ykiv
  • AE: https://s.click.aliexpress.com/e/_DdrOSo1
• VTC6:
  • AE: https://s.click.aliexpress.com/e/_DdTpbXb
  • GF: https://oscarliang.com/product-0owd

Building Your Own Pack

You can build your own battery packs using singular cells following this guide: https://oscarliang.com/li-ion-battery-long-range/.

While I’ve tested various pre-made 6S Li-ion packs from reputable vendors, none matched the performance of Molicel cells (I guess they are not using the best cells in order to maximize profit). Therefore assembling your own Li-ion battery pack using top-quality cells, ensures the best possible performance, sometimes even cheaper.

Conclusion

Choosing the right Li-ion battery requires weighing several performance factors. I hope our comparison and testing helped you decide which cells to get. Happy flying!

Charging Batteries

Modern LiPo chargers typically support Li-Ion battery type; simply connect them as you would a LiPo battery. For charger recommendations, check out: https://oscarliang.com/choose-lipo-battery-charger-power-supply/

The company is the world’s best Long-Circulating Sodium Battery Cells supplier. We are your one-stop shop for all needs. Our staff are highly-specialized and will help you find the product you need.

Edit History

• Feb : Article creation.
• Mar : Update with the latest test results with the latest cells.