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RC Battery Tools

Free interactive calculators for RC LiPo batteries — flight time, charge time, and more. Enter your numbers, get your answer instantly.

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RC Battery Calculators
Calculator · LiPo LiPo Flight Time Calculator Estimate how long your RC LiPo pack will last per flight from capacity, current draw, and discharge cutoff. Includes pack recommendations by capacity range.
Capacity (mAh) Current Draw (A) Cutoff %
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Calculator · LiPo LiPo Charge Time Calculator Calculate how long your LiPo pack takes to charge based on capacity and charge rate. Shows recommended 1C amperage and time to full from any starting point.
Capacity (mAh) Charge Rate (C)
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RC Batteries — Guides
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Pillar Guide RC Batteries — Complete Guide LiPo chemistry, S and C ratings, connector types, and how to select the right pack. Read the Guide →
How-To How to Charge a LiPo Battery Balance charging steps, storage voltage, and the mistakes that shorten pack life. Read the Guide →
Informational Caring for LiPo Batteries Storage voltage, discharge limits, cycle tracking, and how to extend pack life. Read the Guide →
Comparativo Best RC LiPo Battery Top-rated packs for trainer aircraft compared by capacity, discharge rating, and connector. See the Picks →