Tests and reviews of different batteries to help you find the Right One…
The 3S 11.1V 180 mAh Turnigy Nano-Tech 25-40C LiPo batteries are one of the smallest 3-cell Lithium-Polymer batteries available used in small-scale radio controlled models such as mini and micro cars and planes. Not to mention that these Turnigy batteries are available at a quite attractive price at hobby King, so you can buy more just to have a few spares. Of course if they are able to handle the high discharge rates that they are rated at – 25C constant and 40C burst, they could be really great, however still need to check it along with the capacity they can provide.
Official Battery Specifications:
– Capacity: 180mAh
– Voltage: 3S1P / 3 Cell / 11.1V
– Discharge: 25C Constant / 40C Burst
– Weight: 19g (including wire, plug & case)
– Dimensions: 35x20x15mm
– Balance Plug: JST-XH
– Discharge Plug: JST
Time for the actual tests, starting with a 1C discharge rate (0.18A) for the 3S 11.1V 180 mAh Turnigy Nano-Tech 25-40C LiPo battery we’ve managed to get 173 mAh as a maximum capacity and that is a bit short from the 180 mAh rating, though quite close to what it should’ve been. Moving to higher discharge rates such as 5C interestingly enough the battery was able to supply 182 mAh and 179 mAh at 10C discharge rate, apparently due to the fact that the temperature of the LiPo cells increases and the internal resistance gets lower at the higher discharge rate unlike at 1C. The temperature of the battery remains in the safe zone 55 degrees Celsius at 15C and 20C discharge rates and at 25C it gets a bit too hot at 73 degrees Celsius (out of the safe zone of up to 60) while still providing 165 mAh.
The performance of the 3S 11.1V 180 mAh Turnigy Nano-Tech 25-40C LiPo Battery in our tests:
– 173 mAh at 0.18A load (1C)
– 182 mAh at 0.90A load (5C)
– 179 mAh at 1.80A load (10C)
– 171 mAh at 2.70A load (15C)
– 170 mAh at 3.60A load (20C)
– 165 mAh at 4.50A load (25C)
We would not recommend using this battery at more than 20C for constant discharge rate, though the 3S 11.1V 180 mAh Turnigy Nano-Tech 25-40C LiPo battery may work well at 25C if properly cooled for example in a RC plane. In overall good performance and results that pretty much match the specs of the battery, though with some things that you should have in mind. Getting the battery too hot can permanently damage it or cause it to start a fire!
The 1S 3.7V 600 mAh Turnigy Nano-Tech Litthium Polymer batteries are being sold by one of the largest online remote control model and accessory stores called Hobby King and the brand Turnigy is their own. The batteries under that brand are considered to be of quite decent quality and a very good value, though we are going to check how good their perform and if they match the official specifications. The Turnigy only batteries are the lower end and the Turnigy Nano-tech labeled models are considered to be better as they offer higher discharge rates and the 600 mAh Turnigy Nano-Tech 1 cell LiPos are labeled with a discharge rates of 35-70C (constant 35C and peak 70C) which seem pretty high for that small battery. These batteries usually find their place in small scale helicopters, quadcopters or planes, so it is very important that you know what they are capable of in order not to crash your flying RC model because of battery not handling as well as it should be and you now aware of its actual capabilities. Below are the official specs of these Turnigy Nano-Tech LiPo batteries.
Official Battery Specifications:
– Capacity: 600mAh
– Voltage: 1S1P / 1 Cell / 3.7V
– Discharge: 35C Constant / 70C Burst
– Weight: 15.8g (including plug & case)
– Dimensions: 79x7x19mm
– Discharge Plug: JST
In order to test the capacity of the 1S 3.7V 600 mAh Turnigy Nano-Tech Litthium Polymer batteries we’ve started with a 1C (one time the capacity of the battery or with other words 0.6A) discharge rate and continued to increase it to 35C, the value that the battery should be able to handle at a constant discharge (that is 21A discharge). Our tests showed that the maximum useable capacity we’ve got at 1C discharge rate was 590 mAh which is only 10 milliamps shorter of the 600 mAh capacity by specifications which is not bad at all. However the official specs about the discharge rates this battery is capable of are far from the reality we’ve measured. At 35C discharge rate (21A) the battery is not able to handle properly even peaks, let alone provide a constant discharge. We can say that the battery is more like capable of peak discharge rates of 20C and constants discharge rate of 15C, though at 15C discharge rate (9A) we’ve measured a temperature of the battery of 59.5 degrees Celsius at the end of the discharge cycle. This temperature is at the edge of the safe zone for discharge of LiPo batteries, even though this temperature has been achieved with the battery standing on one place and if you are using it in a moving RC model the airflow will help in cooling it a bit and the actual temperature will most likely be lower.
The performance of the 1S 3.7V 600 mAh Turnigy Nano-Tech 35-70C LiPo Battery in our tests:
– 590 mAh at 0.6A load (1C)
– 545 mAh at 3.0A load (5C)
– 531 mAh at 6.0A load (10C)
– 506 mAh at 9.0A load (15C)
– 69 mAh at 12.0A load (20C)
– 18 mAh at 15.0A load (25C)
– 7 mAh at 18.0A load (30C)
– 5 mAh at 21.0A load (50C)
So the battery is not bad, however the actual specifications are a bit lower than the official ones. If you regard the battery as 1S 3.7V 590 mAh with a discharge rates of 15C-20C you might save yourself some trouble in finding out these more actual values the hard way.