SurRonshop Range extender - the cheapest way to improve your range!

⚡️21ah add-on battery specifications:

•1260wh capacity

•18650 elements

•16S6p configuration

•60a on-board battery management system 

•5.3kg weight

⚡️25ah add-on battery specifications:

•1500wh capacity

•Panasonic 21700 elements

•16S7P configuration

•60a on-board battery management system 

•6kg weight

Kit components:

1. Add-on battery in stylish hand-crafted eco-leather bag 

2. 67.2V 5A charger to charge additional battery

3. Cable kit to connect additional battery

4. Digital voltmeter with handlebar mount 

Product first look and initial review

 

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