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We can ship order out within 3 days normally , and the tracking number will be uploaded to platform within 3 days , please know it kindly

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Our 2025 Spring festival Holidays will start from Jan 28th to Feb 3th , we can not ship any items during this period ,please arrange your schedule properly so as not take any inconvenience to you ,thanks

Discount Notice

we offered different discount for more than 100USD value above ,you can use this coupons "BMS1" and for more than 500 usd above you can use this coupon ‘BMS2“ For more than 1000 usd above "BMS3"

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5S Li ion or Lifepo4 Hardware BMS

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5S 18V and 21V lithium ion battery protection circuit board PCB and BMS with 20A constant discharge current
$11.20 – $421.00 Buy it now This product has multiple variants. The options may be chosen on the product page

5S 18V and 21V lithium ion battery protection circuit board PCB and BMS with 20A constant discharge current