1.5V rechargeable Li-ion battery

The differences lie in:
1) Voltage: the voltage of lithium iron phosphate battery is 3.2 V. When fully charged, its actual voltage is 3.6 V or so. Such a high voltage is beyond the limit voltage of the appliances using AA or AAA universal battery. So it is easy to damage the appliances (note: this is why the businessman has repeatedly remind users that the battery fully charged should be placed more than 1 hour until the voltage drop, then they can use); universal lithium battery uses intelligent voltage transformation technology, with the constant voltage output voltage of 1.5 V, to ensure the standard voltage of the appliances. (You can check the input voltage parameters on the labels of electrical appliances)
Note: the use of this product is like the use of ordinary dry batteries, don't need to add another bit bucket!
2) Security: Strictly speaking, lithium iron phosphate battery cannot be considered as "batteries", it is just a cell, without protection circuit; uinversal lithium battery uses multiple intelligence protection circuit preventing overcharge, over discharge, short circuit, overheating, very safe to use. This is also a reason why the cost of the product is higher.
Note: lithium iron phosphate battery, because of no protection circuit, have been over discharged when many electrical equipment reach the lowest limit voltage. This is why businesses repeatedly remind users that: Do not charge the battery until it is completely discharged!
3) Capacity: generally, the highest capacity of lithium iron phosphate battery is 600MAH. Its nominal voltage is 3.2V, to be used with bit bucket. Take the electrical equipment using two AA batteries for example. Lithium iron phosphate battery: 600mah * 3.2V * 1 = 1920mwh; KENTLI PH5 battery: 760mah * 3.7V * 2 = 5624mwh; it can be seen that the capacity of KENTLI lithium batteries is nearly three times that of lithium iron phosphate in the practical application.

The product uses polymer lithium cells, which can be recycled 500 to 1000 times. The full charged electricity once is equivalent to that of 2 to 5 batteries. It is no exaggeration to say that a universal lithium battery is equivalent to 1000 to 1500 alkaline batteries, 5000 to 6000 ordinary KK batteries. That's economical and environment-friendly.

No, you can’t! Because charging voltage is different, lithium battery charger is much more complex.

As this is a lithium polymer battery with nominal voltage of 3.7V, and batteries capacity of 760 mAh, when the voltage is converted into the output voltage of 1.5V, it will be more accurate to calculate in "MWH" (power) according to the latest national labelling standard. But compared with the nickel-metal hydride battery, when 1.2 V is divided by 2800 mWh, it is equivalent to more than 2330 mAh. But because the universal lithium is a constant voltage output, the efficient capacity can be released completely, so the stronger battery life of devices using larger electricity reflecting is several times stronger than that of the nickel-metal hydride batteries, or even ten times more.

 It is very safe, because there are multiple protection mechanism inside the battery. If the voltage conversion circuit is damaged, protection circuit will truncate the output, and the output voltage will be zero.

KENTLI batteries of the AA/AAA rechargeable lithium ion are the best on the universal batteries market, according to the "best" does not mean that the battery manufacturing technology so mystical, but the materials inside the battery  - "cells" are changed, used polymer lithium ion cells, while the polymer lithium ion represents the contemporary the most optimal battery technology, so we said the KENTLI battery is the "best". , of course, the "best" is relative, lithium batteries due to a high energy, no memory effect, long cycle life, light weight and fast charging itself unique performance advantage has become the mainstream of the current battery power, and all of these "performance advantages of lithium battery is also relative to Ni-MH batteries, we have seen, in the high-end electronic products market is almost can not see the figure of Ni-MH batteries, replaced by lithium batteries; And in the field of general battery, namely we are the most common AA /AAA standard battery system development has been to stay in "nickel metal hydride phase,"  KENTLI battery is precisely at this time, apply a "voltage transformation technology" to "introduction" general batteries, lithium-ion batteries for contemporary general battery and battery technology "synchronous". We can imagine, with the development of science and technology, technology updates, there may be a fuel cell in the future, better batteries energy sources such as nuclear power battery, but in the present stage of batteries, lithium batteries will occupy the mainstream market in a long time.

Battery PH5 characterized by constant voltage of 1.5 V, battery energy can be released in full, and it can provide greater output current, is suitable for most of the electronic equipment. And the battery PK5 dedicated for wireless microphone, its characteristic is the voltage drops ‍gradually when the capacity remaining about 10%, it won't like PH5 that the voltage drop to 0V when the power run out of‍, this battery designed ‍in current and the size are more suitable for wireless microphone.