<p>Excellent technology, stable heat dissipation.</p> <p>Over-voltage protection, over-discharge protection.</p> <p>Integrated solution, charging protection.</p> <p>Short-circuit protection, over-current protection.</p> <p>Made of high quality material, durable.</p> <p>Type: ternary\/4 strings\/14.8V</p> <p>Wiring : same port</p> <p>Single battery over-discharge voltage: 2.40V0.01V</p> <p>Single battery over-discharge recovery voltage: 3.0V0.075V</p> <p>Over-discharge delay: 60mS</p> <p>Short circuit protection delay: 600us</p> <p>Continuous working current: 40A (20 seconds)</p> <p>Instantaneous protection current: 100A (can start electric drill)</p> <p>Over-current recovery conditions: charging recovery or disconnecting the load</p> <p>Short circuit recovery conditions: charging recovery or disconnecting the load</p> <p>Single battery overcharge voltage: 4.28V0.05V</p> <p>Single battery overcharge recovery voltage: 4.08V0.05V</p> <p>Overcharge delay: 150mS</p> <p>20A version continuous charging current: 25A</p> <p>Charger voltage: 16.8V (recommended)</p> <p>Balanced voltage: 4.2V0.015V</p> <p>Balance current: 42MA</p> <p>Material: PCB</p> <p>colour: Green</p> <p>Package Contents:</p> <p>1 x Battery Protection Board</p> <p>Only the above package content, other products are not included.</p> <p>Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +\/- 1-3cm.</p>