Specifications:<br />Product:SKILHUNT M1 Intelligent USB Charger<br />Brand:SKILHUNT<br />Mode: M1<br />Li-ion\/IMR\/LiFePO4:26650,22650,18650,17670,18490,17500,17335,16340(RCR123),14500<br />Ni-MH \/ Ni-Cd: AA,AAA,SC,C<br />Input voltage: DC 5V<br />Output voltage: 4.35V&amp;plusmn;0.05V \/ 4.2V&amp;plusmn;0.05V \/ 1.45V&amp;plusmn;0.05V \/3.65&amp;plusmn;0.05V<br />Output current: 1*500 mA \/ 1*1000 mA<br />USB output: 5V 1A<br />USB output no-load voltage: 4.90V ~ 5.30V<br />Max output current:1000mA<br />Over-discharge protection voltage: 3.0V&amp;plusmn;0.1V<br />Storage temperature: -20\u2103~ 60\u2103<br />Weight:  46g (without USB cable)<br />Size: 113mm*29.5mm*38mm<br /><br />Features:<br /> 1. High compatibility, compatible with Li-ion, LiFePO4, IMR, Ni-MH\/Ni-Cd batteries.<br /> 2. Max 1000mA charging current, fast charge to save your time.<br /> 3. One button easy control all charging status.<br /> 4. Soft-start function, to avoid damage from large current charge and safely charge small capacity batteries.<br /> 5. LED indicator display battery charging process.<br /> 6. Two charging current options.<br /> 7. Reverse polarity protection,to protect from improper battery installation.<br /> 8. Short-circuit, over-load and over-heat protected, intelligent circuits.<br /> 9. Three-stage charge (CC, CV and Trickle Charge).<br />10. Use new  fire-retardant flame-resistant material for safety.<br />11. 0V activation function can wake up the over-discharged sleeping batteries<br />12. USB output function, can be portable power source for your mobile devices.<br /> <br /><br />Operations:<br />1. Button: power connetion, hold press button 2 seconds to switch charging current as 500mA or 1000mA.<br />2. Insert the battery, press button to change charging modes.<br />3. LED indicator: power connetion, all of indicators light, if no battery in the slot, 500mAh indicator constant on, others off.<br />4. Insert the battery, 4 charging process LED indicators flash, press button to choose battery charging mode, without any sellection, charger will automatically identify battery.<br /><br />Caution:<br />1. For this charger may only be used with rechargeable battery types listed above.<br />2. Do not attempt to charge other battery types, this is dangerous and may cause personal injury!<br />3. USB output function only work at Li-ion batteries.<br /><br />Package Included:<br />1 X SKILHUNT M1 Intelligent USB Charger<br />1 X USB<br />1 X User manual