LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
LiPo ESR Meter Mark II
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LiPo ESR Meter Mark II

AC-ESR2
Updated version of the industry standard ESR Meter - now check every cell simultaneously!
$149.99

For years, the ESR Meter has been the de facto standard for judging the quality of lithium battery packs. With the new Mark II model, it's better than ever!

From tiny single cells all the way up to a 6S 25,000mAh multirotor pack, this meter is ready to instantly provide objective data to let you measure and track the health of your packs. Internal resistance is a crucial aspect of a battery's performance, affecting the rate at which it can safely be charged and discharged. The ability to measure internal resistance enables you to compare batteries from different manufacturers with confidence rather than relying on often-suspect C ratings.

The ESR (Equivalent Series Resistance) meter gives you just that ability - powered by the battery itself, the meter provides the internal resistance of an entire pack to a resolution of 0.3 milliohms or each individual cell to a resolution of 0.04 milliohms. With the added ability to enter the capacity of the pack being measured, you can now also find out the real C rating of the battery, based on the measurable resistance.

With the updated design letting you connect your battery's balance lead directly to the meter, you can check every cell simultaneously, making the ESR Meter a more useful tool than ever.
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Input Voltage 1S-6S LiPo
Dimensions 130x100x45mm
Weight 250g

Customer Reviews

Based on 38 reviews
92%
(35)
5%
(2)
3%
(1)
0%
(0)
0%
(0)
m
mike hardin
perfect

A must have and the best customer service thanks

B
Barry Andersen
First rate instrument

Does what it’s supposed to do. An accurate meter for battery IR and more realistic C values. Well written instructions.

T
Thomas Edwards
LiPo ESR Meter Mark II

The meter works well. I was looking for something to help determine the health of my lipo's. Quick, easy and repeatable results.

A
Alonzo Hess

LiPo ESR Meter Mark II

M
MARK CAREY
Fabulous product

I immediately checked my batteries when it arrived and identified one battery that might have caught fire had not taken it out of service. I with there was a way to check Spectrum Smart Batteries G2 that doesn't have a balance plug.

Customer Reviews

Based on 38 reviews
92%
(35)
5%
(2)
3%
(1)
0%
(0)
0%
(0)
m
mike hardin
perfect

A must have and the best customer service thanks

B
Barry Andersen
First rate instrument

Does what it’s supposed to do. An accurate meter for battery IR and more realistic C values. Well written instructions.

T
Thomas Edwards
LiPo ESR Meter Mark II

The meter works well. I was looking for something to help determine the health of my lipo's. Quick, easy and repeatable results.

A
Alonzo Hess

LiPo ESR Meter Mark II

M
MARK CAREY
Fabulous product

I immediately checked my batteries when it arrived and identified one battery that might have caught fire had not taken it out of service. I with there was a way to check Spectrum Smart Batteries G2 that doesn't have a balance plug.

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