We have some great simple to use Battery Chargers. All certified with a full 12 month guarantee. Ideal for any 18650 flat or button top, 21700 and 20700 batteries. With independent battery slot monitors and three charging modes: 2.0A, 1.0A, 0.5A, they also include the following safety features: Over-Discharge, Over-Voltage, Short Circuit and Reverse Polarity Protection. Available now with Free UK and World Wide Delivery.