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One machine with multiple uses] Lithium batteries can be used in a variety of scenarios, such as power banks, microphones, radio microphones, game controllers, laser pointers, flashlights, headlights, LED lights, cameras, toys and other 3.7v battery-powered electronic devices
[Best rechargeable battery]: The rechargeable battery is made of durable materials and the quality is very good. Small size, light weight, large capacity and very portable. It can provide you with the necessary charging power, or better help you in travel, emergency, outdoor adventure, camping or other dangerous situations
[Multiple protection]: The battery provides more protection, such as temperature protection, short circuit protection, overcharge protection, and overcurrent protection to stabilize the battery. High performance and high reliability, durable, can replace old or damaged. Store in a cool, dry place.
Safety and environmental protection]: The battery is safe and environmentally friendly, and harmless to the environment. The anti-corrosion shell can effectively protect the battery and extend its service life. Prevent waste of non-rechargeable batteries. No memory effect, large battery capacity, so you don't have to worry about powering off the device
Rechargeable battery has long service life, high efficiency, small size, rechargeable, and can be carried anytime and anywhere
Widely used on flashlight, headlamp, power bank, walkie-talkies, instrumentation, audio equipment, microphone, model aircraft, camcorder, electric tool, miner's lamp, LED light, digital camera, remote control, mini fan, portable printer, interphone, portable DVD, laptop, instrument, UPS energy storage devices, etc.
ESL or EFL? What do ESL and EFL mean? ESL stands for English as a Second Language. EFL stands for English as a Foreign Language. ESL is used when people learn English in an English speaking country. EFL is used when people learn English in a non-English speaking country. Is this important? Not very, if you are a learner. But there are some important technical considerations for teachers.