Test/Review of Xiaomi ZI5 1800mAh (White or Black)

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HKJ
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Test/Review of Xiaomi ZI5 1800mAh (White or Black)

Xiaomi ZI5 1800mAh (White or Black)
DSC_5070
Official specifications:


  • Brand: XiaoMi
  • Battery Type: NiMH
  • Rechargeable: Yes
  • Protected: No
  • Capacity (mAh): 1900mAh
  • Practical Capacity (mAh): 1800mAh
  • Voltage(V): 1.2V
  • Charge Current: 550mA
  • Max. Discharge Current: 3600mA
  • Charging Time (h): 4h
  • Mercury Free: Yes

Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-info
Maximum temperature raise at different discharge currents: 1A:+1,1°C, 2A:+3,1°C, 3A:+5,4°C, 5A:+10,7°C, 7A:+15,7°C, 10A:+2,8°C
This is a Chinese brand of NiMH, a pack contains both white and black cells with the same specifications.
DSC_5069
DSC_5071 DSC_5072
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Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-Capacity
The discharge curves for the two cells tracks very nicely. The capacity varies significantly with load.
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-CapacityTime
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-CapacityTimeHours
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-Energy
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-PowerLoadTime
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-CurrentTest
Xiaomi%20ZI5%201800mAh%20(White%20or%20Black)-Charge
Conclusion
The cells looks good, they easily deliver the rated capacity, but has a problem at very high current.
Notes and links
The batteries was supplied by Gearbest for a review.
How is the test done and how to read the charts
Compare to other AA/AAA batteries: Alkaline/NiMH/Lithium

My website with reviews of many chargers and batteries (More than 1000): https://lygte-info.dk/

fran82
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Some store claims “manufactured by famous japan company”.. (or similar)

Are they rebadged eneloops??? The venting holes seems similar…

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Techno
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These are made in China Wuxi. Not Japan FDK Eneloop.

Liber8
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I don’t think so. None of my eneloops have venting holes. And I think the eneloops tested better at high discharge rates.

fran82
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Ok… Too good to be true.

Eneloop is the way to go

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Honeyclover
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Panasonic


Xiaomi ZMI ZI5 1800mAh (White or Black)



While comparing between
GP ReCyko+ 2 AA 2000mAh ard SGD $4.50 ea,
ZI5 1800mAh ard SGD $2.50 ea, and
Eneloop 2000 mAh Made in Japan White SGD $5 ea.

Which is more worth it?

While comparing, I came across this Panasonic rechargeable battery from the same factory as ZI5.
Is ZI5 consider a made in china Eneloop? or just ‘Panasonic’?

If you have the above 3 choices, what will you get?

d_t_a
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These are Low-Self-Discharge NiMh right?

Honeyclover
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Yes, GP ReCyko+ Manufacturer claimed 1,000 times.
ZMI ZI5 1,500 times, 1 year later 80%
Panasonic 1,500 times, 1 yr later 80%
Eneloop 2,100 times, 2 yrs later 90%