Brand new, unopened Snow Peak Retail price: 6,490 yen Charging battery specifically for the new Hozuki ES-070WH / GR / BR. It's reusable, making it economical. From the following site: Product Information Size: 70 x 33 x 30 (h) mm Weight: 110g Material: ABS resin Specifications: ● Full charge time: 5 hours ● Cycle life: 1000 cycles (number of times to reach 60% of initial capacity) ● Power source: USB (5V-500mA, for charging the Hozuki unit only) ● Battery: Nickel-hydrogen rechargeable battery (3.6V 2,000mAh) ● Operating temperature: -10°C to 40°C, Charging temperature: 0°C to 45°C ● Continuous lighting time using this product with Hozuki: 10 hours (The brightness will gradually decrease as the voltage of the Hozuki battery pack drops.) ● Water resistance: None Features: Charging battery specifically for ES-070WH / GR / BR. It's reusable, making it economical. *USB cable required for charging is not included.