2016منتدى Batteries/Power
استنزاف البطاريات السريعة لكاميرا أليكسا في Steadicam مركب مع Anton Bauer بطاريات HC
ما توصّل إليه النقاش
- وقد لا توفر البطاريات الأصغر حجماً، مثل عارضات الـ 90 وه، وقتاً كافياً لـ (أليكسا) في Steadicam مقارنة بخيارات القدرة الأكبر مثل بطاريات 190 وه أو 230 وه.
- Battery cycle count significantly affects performance, with cells degrading noticeably after 300+ cycles and potentially dropping off sharply in cold conditions.
- Running camera power directly from a block battery during setup waits or between takes rather than constantly from sled batteries extends overall battery life substantially.
- Minimum voltage thresholds in Alexa menu settings can be adjusted to optimize power management and may be set conservatively by default.
- Recelling services can restore old batteries to like-new performance at significantly lower cost than purchasing new batteries.
- Lower-cost third-party gold-mount batteries from alternative manufacturers can offer comparable runtimes to Anton Bauer at substantially reduced cost and weight.
- A charger displaying full charge may not indicate cells are completely charged to capacity; genuine full capacity requires verification through camera voltage display or dedicated monitoring.
- Battery age and storage conditions independently affect performance; batteries stored on trickle chargers maintain capacity better than those left to self-discharge over extended periods.
- Operating multiple batteries rotated in a rental pool rather than drawing consistently from personal batteries reduces cycle wear on owned equipment.
يعتمد على
- Discussion primarily concerns Alexa on Steadicam rig with 24V configuration and two batteries on rack.
- Some recommendations based on anecdotal experience rather than systematic testing.
- Specific expected runtime with full accessory payload not definitively established in thread.
- Cost comparisons and product recommendations reflect 2016 market conditions.
- Temperature effects on battery performance noted only for cold conditions.
- Information about recelling applies specifically to batteries past 300+ cycles.