Tenergy TLP-4000 Universal 1A Smart Charger for Li-Ion/Polymer Battery Packs with PCB (3.7V-14.8V 1-4 Cell)

The Tenergy TLP-4000 Universal 1A Smart Charger for Li-Ion/Polymer Battery Packs is a versatile charger that can be used for a variety of situations. It is capable of charging battery packs with 1-4 cells and a capacity greater than 1000mAh. However, it is important to note that this charger is only suitable for battery packs with built-in protection circuits, and should not be used for unprotected hobby packs. Customers have found this charger to be reliable and easy to use. Many have praised the reputation of Tenergy and had no hesitation in purchasing this charger. It has been successfully used to charge different types of battery packs, including those for model railway engines and RC helicopters. The product is said to work as advertised and is described accurately in the product details. However, there have been a few issues reported by customers. One user mentioned that the charger gets hot while charging, and another user expressed a preference for larger gauge wiring for the charge cables. Additionally, one customer received a faulty unit that did not work. Another user reported that when using this charger for 18650 lithium-ion cells, there was a possibility of overcharging some cells if one cell does not take a full charge. In summary, the Tenergy TLP-4000 charger is a versatile and reliable option for charging Li-Ion/Polymer battery packs with built-in protection circuits. It is easy to use and has received positive feedback from customers. However, some users have experienced issues such as unit failure, overheating, and potential overcharging of cells.