3.7V 2200mAh Li-ion Rechargeable BatterySize: 18650Note: This type of battery has no buil-in protection circuit (BMS), hence should be used with caution.Honest Disclosure: We tested samples of this battery and found the actual ampacity to be just around 850mA-hour...
3.6V 1.2Ah Lithium Battery with connectorNo RechargableMax cont current: 30mAsize: 1/2 AA/ ER15252Note: Manufacturing date 2014. Good for use until at least 2024 (10 years shelf life)..
Sanyo High Quality Li-ion Battery PackMade in Japan Nominal Voltage: 3.7VNominal Capacity: 420mAhCharging: 420mA constant current or 4.2V Constant VoltageOperating Temperature: -20 to 60CDimensions: 24.3 x 50.4 x 6.6mm..