RovyVon Hybrid H3 AAA Battery EDC Pen Light
The Hybrid series is the newest series among RovyVon's line, why Hybrid? We'd like to find a way to balance between a built-in proprietary battery and a replaceable easy-to-get battery, that's just like a PHEV car that the battery power supply gives a quiet driving experience and the traditional power supply of gas gives no range anxiety on the go. The H3 comes with a built-in 300mAh lipo battery that can be charged via the USB-C charging port, and it is also compatible with an AAA battery (1.5V Alkaline battery or rechargeable 1.2V NiMH battery) or rechargeable 10440 li-ion battery. After inserted the external battery (AAA or 10440), it will use the external battery by default once turned on, of course, you can switch it between the built-in battery or external battery as you prefer, there's a battery indicator to show which battery you are using at the moment, green is for external battery and blue is for built-in battery. The two buttons share the same function that is much more co