Can I use this battery charger?

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thewomenfolk

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Sep 6, 2009
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Colorado John 3:16
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I've got some Ultra Fire 10440 500 mAh 3.6V batteries that I charge in a two-battery charger that has this written on the back:

MODEL: WF - 138
INPUT: 100-240V....50-60Hz
OUTPUT: AA/AAA 3.6V....250mA;AA/AAA 2x3.6V....250mA

Question: The charger will hold two sizes of batteries, one a little longer than the other. Can I charge my Trust Fire 14500 900mAh 3.7V Li-Ion batteries in that charger?

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shivadance

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May 30, 2009
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Nebraska, USA
See the last line in bold:

Ultrafire wf-138 3.6 volt Lithium-Ion AA / AAA battery charger

Ultrafire wf-138 3.6 volt Lithium-Ion AA / AAA battery charger
Ultrafire charger for 3.6 volt Lithium-Ion AA or AAA batteries only. Works on all brands.

Perfect charger for rechargeable Lithium-Ion cells. Automatically charges them to the level required, will not over-charge cells. Over-discharged cells cannot be charged.

Features:
International worldwide power input 100 - 240V
Automatically adjusts power input
US-style flat pin plug
Premium quality and extremely durable
Microprocessor-controlled auto-cut-off charging
Low battery temperature rise
Will not charge over-discharged batteries
Short circuit & wrong position might lead to explosion/leakage.


NOTE: Use special caution when working with Li-ion cells, they are very sensitive to charging characteristics and may explode or burn if mishandled. Make sure user has enough knowledge on Li-Ion rechargeable batteries in charging, discharging and assembly before use. Always charge in/on a fire-proof surface. Never leave charging batteries unattended. We are not responsible for damage if there is any modification of the batteries in form or shape. We are not responsible for any damage caused by misuse or mishandling of Li-Ion batteries and chargers. We only recommend using Lithium Ion rechargeable batteries with a control circuit (protection PCB) to assure safe charge, discharge, etc, use of lithium ion batteries with a protection circuit is potentially hazardous

Ultra Fire 14500 batteries fit charger, wowever it is a snug fit.
 
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