which ones are recommended?
Rechargeable Batteries & Battery Chargers - 6 RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger -Specials
or
Rechargeable Batteries & Battery Chargers - 4 RCR123A 3.0V 900mAh Rechargeable Li-Ion Protected Batteries with a Smart Charger
both links state the batteries are protected....
Rechargeable Batteries & Battery Chargers - 6 RCR123A 3.0V 750mAh LiFePO4 Rechargeable Batteries with a Smart Charger -Specials
or
Rechargeable Batteries & Battery Chargers - 4 RCR123A 3.0V 900mAh Rechargeable Li-Ion Protected Batteries with a Smart Charger
both links state the batteries are protected....