Canon OPTURA30 Instruction Manual page 15

❍ We recommend charging the battery pack in temperatures between 50 ˚F and
86 ˚F (10 ˚C and 30 ˚C). Outside the temperature range of 32 ˚F to 104 ˚F (0 ˚C
to 40 ˚C), the CHARGE indicator flashes rapidly and charging stops.
❍ A lithium ion battery pack can be charged at any charge state. Unlike
conventional battery packs, you do not need to completely use or discharge it
before charging.
❍ We recommend that you prepare battery packs 2 to 3 times longer than you
think you might need.
❍ To conserve battery charge, turn off the camcorder instead of leaving it in
record pause mode.
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