1. 0V activation function could wake up over-discharged batteries, even those newly drained to 0V.
2. Safely charging. It could charge a battery precisely up to 4.2V, and automatically stop charging when complete. Thus, you no longer worry about whether the battery is overcharged or under charged, achieving a great insurance to battery’s lifespan.
3. Compact and very portable. 42grams very light weight and compact size could charge 26650 battery with no adaptor or spacer, along with USB port, always make your travel easier.
4. TC-CC-CV 3-stages charging method. It slowly ramps up the charge rate, soft charges even nearly empty batteries, then uses great CC/CV charging, which never hits batteries all-at-once.
5. Over-heating protection, short circuit protection and polarity-reverse protection. 6. Cost-effective. Besides of the above mentioned, only cost a battery’s price, you could get a 2-slot charger which could charge 2 batteries with 0.5A simultaneously, and make your plenty dead batteries back to life.