From Blackcell Tech comes the BU2 Battery Charger, a 2 bay charger compatible with Li-ion, IMR, NI-MH & Ni-Cd rechargeable batteries.
The BU2 has 2 independent micro-computer controlled charging slots capable of charging simultaneously. The BU2 will detect battery type, status, appropriate voltage and charge mode automatically.
Safety features include reverse polarity protection and short circuit protection. Will prevent over charging, over heating, over voltage and over discharge of batteries.
Once batteries are charge the BU2 will stop charging batteries automatically. 3 LEDs to display charging status.
It's the Xtars on steroids and has a six-month manufacturer defect warranty. Warranty is subject to the original bill of sale and packaging.

 Functions of the Blackcell BU2 Battery Charger

• Compatible with Li-ion, Ni-MH and Ni-Cd rechargeable batteries.
• 5V/1000mA USB Output to charge your cellphone when a battery is in the one bay
• Two independent, micro-controlled charging slots allow for simultaneous charging.
• Battery type and status automatically detected.
• Select the appropriate voltage and charge mode.
• Features reverse polarity and short circuit protection.
• Integrated overcharging, overheating, overvoltage, overcurrent, and discharge protections.
• Optimally designed for heat dissipation.
• Certified by CE, RoHS, and FCC.
• 3 LEDs display the charging status. (30% 70% 100%)
• When no batteries are installed, the three LEDs will flash and then off one after the other when the charger connected to a power source.
• When a faulty battery is inserted, the three LEDs will flash at the same time to alert you.
• During the charging process, the three LEDs light up one by one, and will all remain light up until the charging is completed.
• 1A or 2A input, Intelligent chip, automatically stop charging when batteries are fully charged.
• Fully charged testing: -DV, 0DV testing charging time controlling, maximum voltage testing.
• Compatible with: IMR/Li-ion: 26650 22650 18650 18400 18350 17670 17500 18340 14500 10440 21700 20700 Ni-MH/Ni-Cd: AA, AAA, AAAA, C
• Input type: USB
  

Includes:

• Blackcell BU2 Dual Bay Charger
• USB Cable (wall outlet not included, please plug it into a 5V-2amp (minimum) wall outlet)

Please see our Blog about Battery Safety <HERE>

⚠WARNING:

• Misusing or mishandling lithium ion batteries can pose a SERIOUS RISK of personal injury, property damage, or death
• BATTERIES MAY EXPLODE, BURN, OR CAUSE A FIRE IF MISUSED OR MISHANDLED
• ONLY use with proper protection circuitry
• ONLY use within manufacturer specification
• DO NOT store loose in pocket, purse, etc. – always use a protective case
• KEEP AWAY from metal objects to prevent short circuiting
• DO NOT short circuit
• DO NOT use if wrapper or insulator is damaged or torn
• DO NOT use if damaged in any way
• DO NOT overcharge or over-discharge
• DO NOT modify, disassemble, puncture, cut, crush, or incinerate
• DO NOT expose to liquids or high temperatures
• DO NOT solder
• User must be familiar with handling lithium ion batteries before purchase
• Usage of batteries is AT YOUR OWN RISK

Local regulations and laws pertaining to the recycling and disposal of lithium ion batteries vary so please consult your local jurisdiction regarding appropriate disposal.