TATTU R-Line 850mAh 14.8V 95C 4S LiPo Battery Pack with XT60 Plug for Multirotor FPV from Size 100 to 180

Tattu is my go to brand for high quality and dependability. The r line series are super powerful in a compact size, works great on my 4" and 5" builds (sub 250g). I have some Tattu which have been cycled atleast 300 times and still running strong!

Great quality, C rating makes huge difference. I use to use 650Mah with my cinewhoop 25inch but now replaced all with 850 Mah due to its compact size and lightweight.

Love them! Works great, lots of power/punch.

These batteries perform well in my 250g 3.5" FPV drone with 3800kV motors and 3525 props, no action cam. 12 minute moderate flights, 4 minute intentionally aggressive flights. More than I need for capacity. Worth it if you are okay with dealing with the below: The XT60 connector is WAY too tight. This is true of these batteries on both my HGLRC parallel board and both of my drones. I have strong grip strength, but after about a month of daily use, 3 of the 5 are showing bare wire where the insulation is retreating from the connector and I dread having to unplug these for the sake of my muscles in my hands. I know you aren't supposed to pull by the wires, but the amount of surface area you have to grip is not much on the connector itself, and you aren't unplugging this battery without the help of some friction from the wires. 1 of the 5 has had an internal issue and I've had to discharge and recycle it (this might be a result of me crashing, but it has no visible damage. Hard to say - just felt relevant to the review). These were my first FPV LiPos, but recently I bought 4 of the OVONIC 130C 4S 650mAh batteries, and these are better in every way for usability, and are equal for battery performance (minus the slightly lower capacity of course). Compared to the OVONIC, these R-Lines have a shorter, less durable pigtail, and are packaged in thinner, more damageable plastic. The OVONIC XT60 is still tight enough to stay plugged in during hard crashes, and is much easier on your hands and equipment. Buy these if you somehow don't plan to remove the LiPo from what you are using it for very often. Otherwise, get the OVONIC and save your hands, chargers, and pigtails. To be clear, this was my experience with all 5 of the batteries I purchased.

95c is the perfect discharge rate for my 3inch quad. This lipo takes all the abuse I can give it punch after punch with no sag.

Working well so far. The r-lines definitely seem better than the normal batteries. Batteries have done well holding up in crashes too.

It’s a 4S lipo and it’s a stubby. You’ve got power and a few grams of weight savings. No big complaints except I’m having a hard time ‘correcting’ one of the cells to balance with the other 3. It’s been off by a few voltage or by 6-7% of charge. I’ve tried balancing it several times now, discharging either through use or through my charger, then balance charging it back again at different amps (to somehow control the flow). I’m at a point of just accepting this as my fate. But I’m keeping an eye for any bulging then it’s going to be decommissioned

These give me the most punchout and top end speed of all my batteries(gnb, venom graphine, ministar, reg tattus). Got about same top end speed as my graphine 650s, but these are over 20g heavier with an extra 200mah. Very low sag too. Wish they made these in 650mah. Not buying any other brand 850 or higher