ChargeTimeCalculator

How Long to Charge a Panasonic S5II Battery?

Charging a Panasonic S5II Battery from empty to full takes about 1 h 14 min with its standard 48W charger. The battery holds roughly 42 Wh, and this page estimates the time for every common charger wattage, using the Lithium-ion (Li-ion / Li-Po) chemistry it actually uses.

Charge time calculator for Panasonic S5II Battery

Estimated charge time

1 h 14 min

Includes the slower li-ion taper phase above 80%.

Charge time by charger wattage

ChargerPowerFull charge (0-100%)
Standard charger48W1 h 14 min
Fast charger85W42 min
Dual battery charger110W32 min

Battery capacity: 42 Wh · Chemistry: li-ion

The Panasonic S5II battery is engineered to sustain the demanding power requirements of 4K and 6K video workflows, making it an essential component for serious content creators and videographers. Li-ion chemistry provides reliable energy delivery during extended shooting sessions, though real-world runtime will vary depending on your recording resolution, frame rate, autofocus usage, and environmental temperature. Professional users often find that keeping a spare battery on rotation—one charging while another powers your camera—ensures you never miss a critical moment during multi-scene shoots or all-day events.

Proper storage practices significantly extend the lifespan of your S5II battery, particularly if you're not actively shooting for extended periods. Li-ion batteries perform best when stored at moderate temperatures and partial charge states; leaving a battery completely drained or fully charged for weeks at a time can accelerate capacity fade. If you work in cold climates, allow the battery to warm naturally indoors before inserting it into your camera, as lithium-ion cells temporarily lose efficiency in low temperatures but regain full performance once they reach normal operating conditions.

With the fastest charger listed here (Dual battery charger, 110W) it takes about 32 min. With the slowest (Standard charger, 48W) it takes about 1 h 14 min. This full-frame mirrorless camera battery supports 4K and 6K video recording with efficient power management.

Frequently asked questions

How long does it take to charge a Panasonic S5II Battery?
From 0% to 100% with the standard 48W charger, it takes about 1 h 14 min. Using a faster charger shortens that; using a weaker one extends it, see the table above for exact numbers.
Will my S5II battery still hold a charge if I haven't used my camera for several months?
Panasonic's S5II battery uses modern li-ion cell technology with low self-discharge characteristics, meaning it will retain a usable charge over months of storage far better than older battery types. However, to maximize longevity, store it unplugged in a cool, dry location at a partial state of charge rather than fully depleted or fully charged. Before reusing after long storage, give it a fresh charge cycle to restore optimal performance.
Can I charge the S5II battery while it's still in my camera, or should I remove it for charging?
The S5II battery can be charged in-camera using Panasonic's USB interface, which is convenient for travel and minimalist workflows. However, dedicated external chargers offer benefits for professional environments: they allow you to charge multiple batteries simultaneously, reduce wear on your camera's charging port, and often provide visual feedback about individual cell health. For frequent high-volume shoots, investing in a standalone charger paired with multiple batteries maximizes uptime without depending on your camera hardware.
How is this charge time calculated?
We divide the energy needed (42 Wh times the percentage you're charging) by the charger's effective power, which is the charger's wattage times the battery chemistry's real-world charging efficiency (85% for Lithium-ion (Li-ion / Li-Po)). The same formula powers both this page and our API.

ChargeTimeCalculatorestimates are based on typical charger efficiency and battery chemistry, not a live connection to your device. Always follow your manufacturer's charging guidance.