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8V100Ah UpGrade Lithium Battery supports 4 series and 4 parallel up to 51
and the built-in fan keeps it stable during charging
【Longer Life & More Cost-effective】LiFePO4 Battery life is twice as long as lead-acid batteries
6V20A chargers
avoids the increase of internal resistance caused by parallel connection and has more stable performance
SANFOU Badge Battery series and parallel 8V100Ah UpGrade Lithium Battery supportsAccessorize with SANFOU's sleek badges! Crafted with precision and attention to detail, our badges add a touch of flair to any outfit or accessory. Show off your dedication to eco friendly practices wherever you go. Attach them to bags, hats, or clothing for a subtle yet impactful statement.