How Long to Charge a Canon EOS R5 Battery?
Charging a Canon EOS R5 Battery from empty to full takes about 1 h 35 min with its standard 45W charger. The battery holds roughly 50.4 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 Canon EOS R5 Battery
Estimated charge time
1 h 35 min
Includes the slower li-ion taper phase above 80%.
Charge time by charger wattage
| Charger | Power | Full charge (0-100%) |
|---|---|---|
| Standard charger | 45W | 1 h 35 min |
| Fast charger | 80W | 53 min |
| Dual battery charger | 100W | 43 min |
| Professional rapid charger | 120W | 36 min |
Battery capacity: 50.4 Wh · Chemistry: li-ion
The Canon EOS R5 battery is engineered to support demanding professional workflows, particularly when capturing extended 8K video sequences that push both the camera's processing power and power reserves. Unlike standard camera batteries, the lithium-ion chemistry in the EOS R5 battery is optimized for the sustained energy demands of high-bitrate recording and rapid burst shooting, making proper charging discipline essential for maximizing your shooting capacity in the field. Real-world usage reveals that battery performance remains most reliable when you adopt a habit of charging before critical shoots rather than waiting until the battery depletes fully, which helps preserve the cell's overall lifespan and ensures consistent power delivery during critical moments.
Storing your EOS R5 battery correctly between shoots is just as important as the charging routine itself. Lithium-ion batteries perform best when kept in a cool, dry environment and maintained at a moderate charge level if they will sit unused for extended periods—completely exhausting the battery or leaving it perpetually topped off can gradually degrade the cell's capacity over time. For professionals relying on this battery for mission-critical work, investing in a dedicated charging solution and rotating multiple batteries during intensive shooting days prevents the thermal stress that comes from constant rapid charging cycles, ultimately preserving performance across many seasons of professional use.
With the fastest charger listed here (Professional rapid charger, 120W) it takes about 36 min. With the slowest (Standard charger, 45W) it takes about 1 h 35 min. This professional mirrorless camera battery provides full-frame 8K video capability for extended shooting sessions.
Frequently asked questions
- How long does it take to charge a Canon EOS R5 Battery?
- From 0% to 100% with the standard 45W charger, it takes about 1 h 35 min. Using a faster charger shortens that; using a weaker one extends it, see the table above for exact numbers.
- How should I charge my Canon EOS R5 battery to avoid degrading its lifespan during frequent professional use?
- The EOS R5's lithium-ion battery responds best to regular, moderate charging habits rather than extreme cycles. Avoid allowing the battery to fully deplete before recharging whenever possible, as this stresses the cell chemistry. For professionals shooting daily with multiple batteries, rotate through your battery set during the day so no single battery undergoes repeated fast-charge cycles. Store unused batteries at room temperature and at a partial charge state if they will sit idle for weeks—this equilibrium state minimizes chemical stress and helps the battery retain its rated capacity longer.
- What precautions should I take when charging the EOS R5 battery given its high-capacity lithium-ion chemistry?
- Lithium-ion batteries like the one in the EOS R5 require a compatible, manufacturer-approved charger to ensure safe and efficient operation. Never attempt to charge the battery in extreme temperatures—cold or hot environments can interfere with the charging circuit and potentially damage the cell. If you notice the battery becoming unusually warm during charging, swelling, or exhibiting reduced capacity despite recent charging, discontinue use immediately and consult Canon support, as these can indicate internal stress in the cell. Keep the battery contacts clean and dry; corrosion can interrupt proper current flow and create safety hazards during charging.
- How is this charge time calculated?
- We divide the energy needed (50.4 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.