A proper 16340-battery (16.8 x 34 mm / 0.66" x 1.3") you can recharge using a Micro USB cable.

• Technology: Li-ion
• Type: 16340 / RCR134A
• Nominal voltage: 3.6 V
• Capacity: 700 mAh
• Charging options: Micro USB port or Charger
• Charging currents: USB 300 mA; charger 350 mA; (700 mA maximum)
• Unique structural design for better impact-resistant
• Built-in over charge, over discharge, short circuit and three sets of over-heat protection ensure the safety and good performance of the battery
• Designed to retain up to 75% of its original capacity at 500 full charge and discharge cycles
• Size: 16.8 mm x 34 mm / 0.66" x 1.3"
• Warranty: 12 months
• Recommended charger: ARE-C1+, ARE-C2+, ARE-X1+, ARE-X2
• Micro USB charging cable not incluced
• Package: 1 pcs blister