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1600 times long cycle: Krarax AA battery can be charged with up to 1600 cycles. Extend cycle times by 48% compared to conventional batteries. No need to buy giant alkaline batteries and save costs 3500 mWh. High performance with 2 hours. Fast charging: Krarax AA lithium battery has carried out various experiments and applied positive raw materials with high density to increase the capacity about 17% higher than the same size. Newly designed Type-C charger. Reduce charging time to at least 42%. 4 charging channels, 2 hours charging. 1 x USB Type-C cable together with the package 1.5 V constant output with max. 3 Amp discharge current: with a professional, tailor-made integrated management IC, Kratax AA lithium battery support constant output at 1.5V from 100% to 0%, different from the usual 3.7V lithium battery. Kratax 1.5 V AA battery could support a maximum 3 amp discharge current Safety and environment: Kratax 1.5 V AA lithium battery has been integrated into the management IC on PCM, including overcharge protection, overcharge protection and short circuit production etc. functions. The entire AA battery contains no Pb, Hg and Cd etc Kratax - Box contents: 4 x lithium rechargeable 1.5 V AA batteries, 1 x storage box, USB-C charger and USB-C cable › See more product details; Product description Kratax is a manufacturer of OEM and ODM lithium battery and we are dedicated to providing safe, environmentally friendly and economical rechargeable batteries. Advantage of the Kratax 1.5 V AA rechargeable lithium battery: Long service life. Up to 1600 cycles long service life than conventional alkaline batteries and NiMH batteries. Environmentally friendly and cost saving. Ultra high capacity Light weight but extremely high capacity. High energy density on small volume ensures maximum capacity. Whether it is everyday equipment or office equipment, the large capacity greatly supports the endurance of the devices. Constant output Assembled with professional IC chip and protection board. The Kratax AA lithium battery supports a constant output of 1.5 volts from 100% to 0% of electrical capacity. Also prevents over current, over voltage, overcharging, overheating and short circuit. Technical specifications: 1. Input/Output: 5V/1.5V (can be used in series) 2. Maximum discharge current: 3A continuous. 3. Energy: 3500 mWh (2330 mAh at 1.5 volts). 4. Weight: 20g 5. Memory: no memory effect. 6. Operating temperature range: working temperature -20°C to 60°C; charging temperature 5°C to 45°C; storage temperature -20°C to 45°C 7. Storage: Recharge the battery to 50% every 4-6 months before putting it back into the battery case. Package Content: Pack of 4 1.5 V AA lithium batteries. 1 x Type-C fast charger. 1 x USB Type-C cable. Instruction manual and storage box for AA batteries.; Product description Kratax is a manufacturer of OEM and ODM lithium battery and we are dedicated to providing safe, environmentally friendly and economical rechargeable batteries. Advantage of the Kratax 1.5 V AA rechargeable lithium battery: Long service life. Up to 1600 cycles long service life than conventional alkaline batteries and NiMH batteries. Environmentally friendly and cost saving. Ultra high capacity Light weight but extremely high capacity. High energy density on small volume ensures maximum capacity. Whether it is everyday equipment or office equipment, the large capacity greatly supports the endurance of the devices. Constant output Assembled with professional IC chip and protection board. The Kratax AA lithium battery supports a constant output of 1.5 volts from 100% to 0% of electrical capacity. Also prevents over current, over voltage, overcharging, overheating and short circuit. Technical specifications: 1. Input/Output: 5V/1.5V (can be used in series) 2. Maximum discharge current: 3A continuous. 3. Energy: 3500 mWh (2330 mAh at 1.5 volts). 4. Weight: 20g 5. Memory: no memory effect. 6. Operating temperature range: working temperature -20°C to 60°C; charging temperature 5°C to 45°C; storage temperature -20°C to 45°C 7. Storage: Recharge the battery to 50% every 4-6 months before putting it back into the battery case. Package Content: Pack of 4 1.5 V AA lithium batteries. 1 x Type-C fast charger. 1 x USB Type-C cable. Instruction manual and storage box for AA batteries.; Kratax is a manufacturer of OEM and ODM lithium battery and we are dedicated to providing safe, environmentally friendly and economical rechargeable batteries. Advantage of the Kratax 1.5 V AA rechargeable lithium battery: Long service life. Up to 1600 cycles long service life than conventional alkaline batteries and NiMH batteries. Environmentally friendly and cost saving. Ultra high capacity Light weight but extremely high capacity. High energy density on small volume ensures maximum capacity. Whether it is everyday equipment or office equipment, the large capacity greatly supports the endurance of the devices. Constant output Assembled with professional IC chip and protection board. The Kratax AA lithium battery supports a constant output of 1.5 volts from 100% to 0% of electrical capacity. Also prevents over current, over voltage, overcharging, overheating and short circuit. Technical specifications: 1. Input/Output: 5V/1.5V (can be used in series) 2. Maximum discharge current: 3A continuous. 3. Energy: 3500 mWh (2330 mAh at 1.5 volts). 4. Weight: 20g 5. Memory: no memory effect. 6. Operating temperature range: working temperature -20°C to 60°C; charging temperature 5°C to 45°C; storage temperature -20°C to 45°C 7. Storage: Recharge the battery to 50% every 4-6 months before putting it back into the battery case. Package Content: Pack of 4 1.5 V AA lithium batteries. 1 x Type-C fast charger. 1 x USB Type-C cable. Instruction manual and storage box for AA batteries.