Application and features: A, applicable to series 10 series, 15AH and the following lithium/cobalt acid lithium/lithium cobalt/lithium/lithium polymer/triples battery pack B, perfect overcharge protection, over discharge protection, discharge overcurrent protection and discharge short circuit protection C, the peripheral protection adopts the aluminum profile heat sink, which has anti-vibration, anti-fall, anti-impact and increasing heat dissipation and strength function D, the main control IC adopts the special battery protection with high integration degree, which has reliable and stable function, low self-loss and ESD E, has broken line protection function . Wiring instructions: power cable B-:Connect to battery negative (UL3135 black 14AWG L=150+-5mm) P-:Connect to discharge negative port (UL 3135 blue 14AWG L=150mm) C-:Connect to charge negative port (UL3135 yellow 18AWG L=150mm) Voltage monitoring cable red UL1007 22AWG 350mm B-(GND)/B1/B2/B3/B4/B5/B6/B7/B8/B9/B10(B+) ON OFF switch : red ?NTC :with 65degree centigrade Remarks: Please connect B- line firstly, and then connect voltage monitoring wiring harness. The last step is to connect charge and discharge lines. If you want to remove them, the order should be reversed. Please pay attention to the connection order, or it will damage the component. Shipping 1.If you need to buy in bulk, please contact, we will reply in 24 hours. 2.We are always working hard to ensure your package arrives as soon as possible. Please understand that some factors like weather, high postal traffic, and the performance of shipping companies are outside of our control. 3.Usually product Reaches after about 12-45 business days depending on destination. If you have not received your shipment within 45 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Refund or resend product will be offered if item still not received. 4.We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important. We ask you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns. It is impossible to address issues if we do not know about them! THANK YOU :)