1. I believe that many people will choose to use rechargeable batteries when choosing batteries compared with disposable batteries. Rechargeable battery as a kind of recyclable charging and discharging battery, in real life is mainly used in No.5 and No.7 batteries. In one post, I saw everyone commenting: "I went to the store and bought # 5 batteries. The store recommends number 5 rechargeable batteries. I took it home and found it was a rechargeable lithium battery. Isn't the number 5 rechargeable NIMh battery? What's the difference between it and a rechargeable lithium battery?" What is a No. 5 rechargeable battery? Here, let us first mention that the No.5 battery, AAR6, is a battery type whose general dimensions are 14 mm in diameter and 50 mm in height. No. 5 batteries are widely used in many small appliances and digital products because of their small size and moderate capacity. Today, there are three types of No. 5 rechargeable batteries on the market: nickel-cadmium, nickel-metal hydride, and lithium. Rechargeable batteries will be packaged with the words "Charge," "Triangle cycle mark" and "Rechargeable" for easy identification. Nickel-cadmium batteries are labeled "nickel-cadmium"; Nickel-metal hydride batteries are marked "nickel metal hydride"; Lithium batteries are labeled "lithium ion." According to the release, xtar will launch a new eight-slot charger that is automatically compatible with number 5 lithium, nickel metal hydride and nickel-cadmium batteries. After the battery is placed, the battery type can be identified intelligently. The charger will detect the internal resistance of the rechargeable battery and intelligently select the best charging strategy based on the number of batteries, input power and battery type. Interested partners can follow.

　　2. What is No. 5 lithium battery? No. 5 lithium battery is another name for 14,500 cylindrical lithium battery, with a size of 14*50mm. tenavolts rechargeable lithium batteries were on display at the 124th China Import and Export Fair in October 2018 in Nanfu. The Nanfu No.5 lithium battery is rated at 1.5V because a circuit board is added to the 3.7V lithium battery to reduce the voltage to 1.5V. The battery is still essentially 3.7 volts. In the market, the voltage of the No.5 lithium battery labeled 1.5V applies this principle. The Xtar's 14500 lithium battery doesn't have a circuit board, so it's still rated at 3.7V. DIY customers use a # 5 lithium battery (3.63.7V) on their cameras. As the size of the No. 5 lithium battery is the same as that of the ordinary No. 5 battery, it can be replaced. However, it should be noted that the single voltage of No.5 lithium battery is 3.7V, while the single voltage of ordinary No.5 battery is 1.5V. Therefore, when use 5 camera lithium battery, just one day, and is equipped with 5 alkaline batteries, carbon batteries or 5 battery die (the battery is negative short circuit is equivalent to a wire, the actual power supply for the lithium battery 5 only), the actual test showed that 5 of lithium-ion batteries use time is twice the normal battery 5. (Not recommended by xtar, not recommended by non-specialists).

　　3. What is No. 5 nickel Metal Hydride rechargeable battery? It can be said that No. 5 NIMH secondary batteries are mainly designed to replace nickel-cadmium batteries. There is little difference in appearance, but they differ in nature. Nickel-metal hydride battery uses nickel oxide as anode, hydrogen absorbing metal alloy as cathode, and alkaline solution of potassium hydroxide as electrolyte. The energy density of MH-Ni battery is higher than that of Cd-Ni battery. The capacity of an MH-Ni battery of the same size is about twice that of a Cd-Ni battery. At the same time, it contains no harmful metals, is more environmentally friendly and eliminates the "memory effect". No. 5 nickel metal hydride secondary battery has high charging efficiency, but it is not resistant to overcharge and overdischarge. Therefore, when charging the battery, the selected charger must be able to automatically cut off the power supply, otherwise it is easy to cause serious damage to the battery or even dangerous. The Xtar home charger has features such as full stop overcharge protection, so if you have a # 5 NIMH rechargeable battery in hand, you can use most Xtar home chargers with confidence. The difference between # 5 NIMH and # 5 1.5V lithium batteries: First, the materials used are different. No.5 NIMH is a battery that uses alkaline aqueous hydrogen storage alloy, nickel electrolyte and positive active material and negative active material. No.5 1.5V lithium battery is a battery that uses lithium metal or lithium alloy as negative material and non-hydrolytic solution, so the characteristics of the battery are different. The rated voltage of No.5 NIMH battery is 1.2V, and the rated constant voltage of No.5 1.5V lithium battery is 1.5V (adding a circuit board to the 3.7V lithium battery reduces the voltage to 1.5V, and the battery is still 3.7V in essence); From the future development trend, NIMH batteries may be less and less, or even eliminated. Lithium battery is an emerging product, belonging to new energy products. As for how to choose when buying, if you are using cameras, toys and other equipment, it is recommended to choose lithium batteries with large capacity, fast charging and constant voltage throughout the whole process. For equipment such as flash lights, choose NIMH batteries with low self-discharge and high current output. Whichever option you choose, you must recognize a regular manufacturer and the product has RoHS, CE, FCC, and other certifications.

Read recommendations:

HB-S1200 1200W防水IP54太阳能便携式发电站支持无线充电

叉车蓄电池 12V 350Ah

家用储能 LiFePo4 48V 100Ah 太阳能

What should I pay attention to when using the 12V lithium battery?

What is a high rate battery?