What you are asking is "how to identify the true and false batteries of Knife Tianneng Long March Edition"? The easiest way is to see if there is Tianneng trademark and special security code on the plastic cover of the battery.

There are also the following methods: Tianneng genuine batteries have anti-counterfeiting labels on the side of each battery packaging box, and each battery group corresponds to a unique anti-counterfeiting label, which can only be used once. Check the fw.cn-tn.com website; Authentic batteries have regular screen printing, and counterfeit products are attached to scratch the ball. If you can't tell the truth, you can also call Tianneng Battery's service hotline.