Bonka 6S 6000mAh assessment: Lengthy-range FPV with no compromise!

Whereas many consultants suggest utilizing LIION packs for long-range flights because of their excessive vitality density, after testing a number of packs, I came upon that they lack efficiency, that includes solely a 10-30C discharge charge. As an alternative, the Bonka 6S 6000mAh LiPO has 120C discharging, offering sufficient energy for essentially the most difficult flight actions.

Bonka’s U2 FPV collection contains capacities from 300 to 9700mah and discharge charges from 45C to 180C, masking a variety of FPV drones. Their product palette additionally contains RC Automobile, Helicopter, Airplane, RC Transmitter, and Airsoft Gun batteries.

The Bonka 6S 6000mAh U2 batteries are near 16cm lengthy, making them appropriate just for 9-inch and bigger drones.

Bonka FPV 6S 6000mAh 120C battery from MyLiPO.de

Disclosure: I obtained this long-range LIPO pack in a product assessment collaboration with MyLiPO. Though the battery was provided free of charge, all opinions on this article stay mine, and the sponsor didn’t affect me. MyLIPO is the official distributor of Bonka Energy batteries in Germany.

Along with the Bonka 6S/6000mAh battery, MyLIPO despatched me 4 of their Velcro bands, a pair of 25cm and considered one of 30cm. Of all of the battery straps I’ve used during the last 10 years of droning, these rubberized Kevlar battery straps appear to have the very best quality.

The Bonka 6S 6000 U2 is offered with three discharge plug varieties (XT60, XT90, AS150) or with none, because the assessment unit I obtained. The battery pack comes with thick 8AWG (⌀3mm) essential leads, making it troublesome to solder XT60 connectors.

As you may see within the image above, the battery is kind of huge. It measures 156*55*49mm and weighs 878 grams. The battery adopts customary 6S1P configuration, that means that the six cells contained in the pack are serially soldered. Storage voltage is 22.8V (3.8V/cell), and you’ll cost it as much as 25.2V (4.2v/cell).

Technical parameters

Pricing and availability

The Bonka 6S 6000mAh LR LIPO battery will be ordered from MyLiPo.de for €159. The Kevlar LIPO straps proven on this assessment are priced at €3.20 (5 measurement choices). Earlier than ordering, I recommend you ask about supply choices, as batteries over 100Wh are regulated as hazardous supplies in lots of nations.

Bonka 6S 6000mAh FPV LIPO: Efficiency and Check Outcomes

One of the vital necessary high quality components of a LIPO pack is the inner resistance (IR). A wholesome battery has comparable cell IR throughout the pack. A decrease IR means the battery can extra successfully ship energy to your FPV drone.

A wholesome battery has comparable particular person cell IR throughout the pack. The upper the cell’s capability, the decrease the inner resistance needs to be. For instance, this Bonka 6000mAh has 2-3mΩ/cell, and a 650Ahm has 10-15mΩ/cell. For capacities over 5000mAh, it might be ultimate to have 1mΩ/cell (1 milliohms/cell).

At increased temperatures, the inner resistance of LIPO batteries decreases, which can lead to increased energy output. This is the reason it is very important pre-heat them earlier than use through the winter. As batteries age, their inner resistance will increase. A excessive IR signifies that it’s time to retire them.

Earlier than testing, I carried out 5 cycles of charging/discharging at 0.5C (3A). I examined the Bonka 6S 6000mAh with my long-range iFlight Chimera 9 drone. Whereas utilizing LIION packs, I always obtain low-voltage alarms; the BONKA carried out bravely regardless of being 250 grams heavier. With my setup, which had a 1650-gram take-off weight, the flight time averaged round 25 minutes. After practically 50 cycles on our check battery, it nonetheless places out loads of energy whereas beneath load, identical to a brand new pack ought to. I’m additionally utilizing this BONKA battery to cost smaller batteries. The 133Wh capability permits charging 12-14 items of 4S 650mA batteries.

Due to the 120C discharge charge, the Bonka 6S 6000mAh LIPO can ship 720A (6Ax120), so I didn’t encounter any energy shag (excessive voltage drop) through the check flights. The pack remained chilly whereas charging, discharging, and flights. Observe: Li-Po and Li-Ion batteries ought to NEVER be charged, balanced, or discharged unattended. ALWAYS use fireproof luggage to retailer and cost/discharge them. Mishandling of FPV batteries can result in hearth, explosions, and poisonous smoke inhalation.

Bonka 6S 6000mAh LIPO vs FullSend 6s 6000mAh LiION

In case you are on the lookout for a long-range FPV drone battery, you should select between LIPO and LIION batteries. Within the desk under, I in contrast the Bonka 6S LIPO with the FullSend 6S LIION pack.