Streamlight Charger Kit 18650, 120V AC, 2 Batteries (22011)
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Features:

Capable of charging a single 18650 battery or two simultaneously
Dual input: accepts either 5V micro-USB or Streamlight traditional AC or 12V DC power sources; Micro-USB input with custom locking feature charges from Streamlight AC/USB adapters or most other USB sources
Impact-resistant polymer construction
18650 button-top lithium ion battery on-board safety control circuit; rechargeable up to 500 times
Charge time: Single Bay 3.5 (Either bay) or Both Bays 3.5 hrs Left bay priority and 6.5 hrs right bay
Includes charger, charge cord and 2 batteries