Original Niu scooter battery for U, US models.
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original lithium battery for NIU U, Us.
-battery type:18650 automotive power class lithium battery.
-fit for U, US models.
-net weight: 5.1kg, 5.34kg.
-size: 300x168x90mm.
-charging item:5.5-6 hours.
-capacity:19Ah,21Ah
