CNHL 2200mAh 4S Lipo Battery 40C 14.8V lipo Battery with XT60 for RC Airplane RC Quadcopter RC Evader BX Car Truggy Truck Boat(2 Packs)

Used a set of calibrated, accurate load tester to verify the capacity of the batts, parameters are as follows:Stats before testing:Batts: fully charged to 4.2V for all cells, total voltage around 16.8V +- 0.01V, batts are tested immediately after fully charged.Load tester: calibrated, has 16bit ADC on it for accurate reading.Params used to test:Batts are placed under max cooling condition with a fan nearby (RTP), discharge at a constant rate of 1C (in this case 2.2A), discharge range from 16.8V (4.2V * 4) to 12.8V (3.2V * 4)Results:As shown in the graph, the first batt released a total amount of 2.198Ah of charge, and the second batt released a total amount of 2.146 Ah of charge, considering inaccuracies and some other uncertainties, I believe this result is valid, the batts are as labeled.Notes:DO NOT TRUST SMART CHARGER READINGS!Those smart chargers are usually not calibrated and use IC's internal ADC for a rough estimate, my charger reads 1.1AH when fully charged from 3.2V, which is way more biased.The batts somehow have a slightly higher IR, mine reads around 15mΩ per cell, and the discharge curve is quite linear, which means it is around 3.6V-3.7V for 50% energy left (my rough estimate, compared to normal 3.85V cells). But the price is SUPER CHEAP, and you get the highest Wh/$ spent, I think it is a good deal for beginners.

I've been using cnhl batteries for about 5 years now. They are great batteries for the price. They supply great power output.

Works great

Really like them! Good value!

Using 6-12a expect only 1800mah and that's pushing to 3.3v a cell. Disappointed. Chl usually is true to the label

Great product using in RC boat.