About this item

• ☑High charge and discharge current; Compact size and lightweight.
• ☑High-accuracy voltage detection circuit, fine workmanship and durable.
• ☑Main function: Over charge protection, over discharge protection function, short circuit protection function, over current protection function, balance.
• ☑Attention: Do not mix the good battery and poor battery to use. The internal resistance capacity are closer will be better.
• ☑When the battery is connected in series with 3 groups, Please ensure that the voltage of each battery is the same. If not same, please fill in each set of batteries and then use. Do not mix the good battery and the battery.