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Kratax 4 pack High-Capacity 3500mWh AA Rechargeable Lithium Batteries Remind: The rechargeable lithium batteries do not support the CAMERA FLASH! Size: 50.5*14.6mm (Slightly longer than AA batteries without a protective plate)The Kratax long-lasting AA battery adopts the exhaust explosion-proof design, and the safety level is high.1600 times charge and discharge cycles. If it used on the remote control for TV, you may without changing battery for a few years. The energy is so powerful that you can’t imagine it.Free of Lead and Mercury, rechargeable batteries can reduce the waste of disposable batteries. Multi-protection function: Built-in protection device to prevent Overcharge, Overvoltage, Overcurrent, Over Discharge, Reverse Charge and Short-circuit protection, can protect the battery and charger very good. Suitable for all kinds of high-power demand electrical device! Controller, Toys, Remote Controls, Smart home devices, Microphone, Electric shaver, Household Office Devices, Flashlight(The charging current of the flashlight is less than 2A to be used).(Not available on Camera Flash, Seiko R-Wave Mantel Clocks and AM Radio) Constant Voltage Output Stable outputs voltage from full to 0 electric capacity, 1.5V constant voltage output at 100mA discharge, providing constant voltage and best performance in high current and voltage device. Cost-effective Capacity: 3500mWh / 2300mAh Charging time is about half that of NiMH rechargeable batteries. Low self-discharge rate of about 0.03% per month, about 1/100th of that of NiMH batteries, and weight of about 19g, about 20% lighter than NiMH batteries. Anti-Leak SS Gasket Specially added stainless steel gasket at the bottom, which will not wear out the battery cells in long-term use. The package does not include a CHARGER!!! It is recommended to use Kratax battery and Kratax charger as a set, not to mix with other brands. QUESTIONS Q: Can batteries be used for blink cameras? A: The battery is suitable for most people's blink cameras, but when the camera runs frequently (such as an object that is constantly moving), the current consumption is too large, it may affect the usage time. Q: Lithium-ion batteries and disposable batteries, which lasts longer in the flashlight? A: The disposable battery has a long working time, but the lithium-ion battery are reusable, the overall use time is longer, and the cost performance is higher. The disposable battery can maintain high brightness due to the relatively high voltage during early operation. Then as the voltage decreases, the brightness will become lower and lower until the user replaces the battery. The Lithium-ion battery voltage is constant, so the flashlight can maintain the highest brightness in the setting until the battery stops outputting, so the working time of a single lithium-ion battery will be about half less than that of a disposable battery. Q: Why does it feel like a disposable battery discharges more power than a Li-ion battery? A: Because the disposable battery does not need to be charged, it can use up all the power. Lithium-ion batteries require a secondary charge of the battery, so some of the power needs to be retained to maintain the battery's activity, So it will feel like the disposable battery releases more power. Q: Why do lithium-ion batteries feel a little bigger than alkaline batteries? A: The size of our battery is 50.5mm*14.6mm*14.6mm (L*W*H), because the lithium-ion battery is equipped with a protective plate, it may be 0.1~0.2mm larger than the length and diameter of a few alkaline batteries, mainly depends on What product to compare with. QUESTIONS Q: Can batteries be used for blink cameras? A: The battery is suitable for most people's blink cameras, but when the camera runs frequently (such as an object that is constantly moving), the current consumption is too large, it may affect the usage time. Q: Lithium-ion batteries and disposable batteries, which lasts longer in the flashlight? A: The disposable battery has a long working time, but the lithium-ion battery are reusable, the overall use time is longer, and the cost performance is higher. The disposable battery can maintain high brightness due to the relatively high voltage during early operation. Then as the voltage decreases, the brightness will become lower and lower until the user replaces the battery. The Lithium-ion battery voltage is constant, so the flashlight can maintain the highest brightness in the setting until the battery stops outputting, so the working time of a single lithium-ion battery will be about half less than that of a disposable battery. Q: Why does it feel like a disposable battery discharges more power than a Li-ion battery? A: Because the disposable battery does not need to be charged, it can use up all the power. Lithium-ion batteries require a secondary charge of the battery, so some of the power needs to be retained to maintain the battery's activity, So it will feel like the disposable battery releases more power. Q: Why do lithium-ion batteries feel a little bigger than alkaline batteries? A: The size of our battery is 50.5mm*14.6mm*14.6mm (L*W*H), because the lithium-ion battery is equipped with a protective plate, it may be 0.1~0.2mm larger than the length and diameter of a few alkaline batteries, mainly depends on What product to compare with. 12 AA Batteries&Charger 8 AA Batteries&Charger 8pack AA batteries 4 AA Batteries&Charger 4 AA Batteries&Charger Charger with 8 AA Batteries Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Add to Cart Customer Reviews 3.8 out of 5 stars 859 3.8 out of 5 stars 859 4.1 out of 5 stars 786 4.1 out of 5 stars 786 4.2 out of 5 stars 199 4.2 out of 5 stars 199 Price $62.09$62.09 $44.99$44.99 $38.69$38.69 $32.39$32.39 $34.19$34.19 $46.79$46.79 Charging Indicator Simple Indicator Simple Indicator N/A Simple Indicator Visual Charging Progress Visual Charging Progress Charging Time 2H 2H N/A 2H 2.5H 2.5H Multi-protection ✓ ✓ ✓ ✓ ✓ ✓ Constant voltage ✓ ✓ ✓ ✓ ✓ ✓
?NOTE A special charger is required! This battery is a new generation 1.5V constant voltage output rechargeable lithium-ion battery and requires a charger that only works with this type of battery. Traditional universal chargers (for NiMH and Li-ion batteries) or chargers that can be used for 3V-3.7V Li-ion batteries are not suitable.
?High Capacity Kratax 1..5V AA rechargeable battery has 3500mWh, the charging time is only 2 hours, saving about half the time than the traditional Ni-MH rechargeable battery. Our AA lithium batteries has constant voltage output, the traditional battery products can’t do that, and the voltage drops rapidly as the power decreases during use. (Not available on the camera flash)
?High Quality Our AA rechargeable battery with a high-power cell with fully intelligent control IC chip, making it more reliable to use. The cycle time is more than 1600 times, one lithium battery is equivalent to 1600 disposable batteries.(Upgraded battery - maximum current 3A, better application in high current devices such as Blink.)
?Multi-Protection There are four protections for this AA battery, with intelligent control of the entire charging process, built-in protection device to prevent Overcharge, Overvoltage, Overcurrent, Over discharge, the charger has reverse charge protection can protect the battery and charger very good. Our batteries and chargers have passed ROHS, CE, CQC, PSE, etc. certification.
?More Durable The most prominent feature of our 1.5V AA lithium battery is low self-discharge, is about 0.03% per month, which is less than 1/100 of Ni-MH batteries.The weight is about 19g, is 20% lower than Ni-MH batteries. NOTE This battery is a new generation of constant voltage output rechargeable Li-ion battery, so the traditional universal charger (for NiMH & 3V-3.7V Li-ion batteries) does not work for this battery.
?Environmental Low-carbon, it does not contain any toxic and harmful heavy metal elements and substances, such as lead, mercury, and cadmium. Nickel-plated steel shell material, anti-rust and anti-corrosion, long-lasting and durable.
These are not my first purchase of these Kratax AA lithium batteries. The previous purchases have work perfect including in temperature down to -30 C. The charger is OK but could be improved to show percentages and not just a flashing graph. Work great in weather station, and smart door locks.