ChargeTimeCalculator

How Long to Charge a Medium Camera Drone Battery (4S, 7,700 mAh)?

Charging a Medium Camera Drone Battery (4S, 7,700 mAh) from empty to full takes about 1 h 4 min with its standard 150W charger. The battery holds roughly 113.52 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 Medium Camera Drone Battery (4S, 7,700 mAh)

Estimated charge time

1 h 4 min

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

Charge time by charger wattage

ChargerPowerFull charge (0-100%)
Slow charger50W3 h 12 min
Standard charger150W1 h 4 min
Fast charger300W32 min

Battery capacity: 113.52 Wh · Chemistry: li-ion

The Medium Camera Drone Battery represents the sweet spot for aerial photographers who demand extended flight duration without the burden of excessive weight. Built with advanced lithium-ion chemistry, this extended-capacity pack transforms your mid-range drone into a reliable workhorse for capturing those perfect golden-hour scenes, detailed property surveys, or cinematic sweeping shots that require sustained airtime. The design balances energy density with thermal stability, allowing you to push your camera drone's capabilities while maintaining the safety margins lithium-ion technology demands. Whether you're mapping terrain, conducting aerial inspections, or simply extending your creative window, this battery empowers you to stay aloft longer and think less about battery swaps.

Proper maintenance of your lithium-ion battery directly influences both performance longevity and flight safety. Avoid storing this battery at full charge for extended periods—instead, keep it at a moderate state of charge during breaks between shooting sessions, as this significantly slows the natural degradation that lithium-ion chemistry experiences over time. Before each flight, visually inspect the battery connectors and casing for any signs of damage, puffing, or corrosion, since these are early warning signs that warrant removing the battery from service. When charging, use a balancer-compatible charger designed for lithium-ion packs, and allow adequate cooling time between flights, as rapid consecutive charges in hot weather can accelerate wear. Store your battery in a cool, dry location away from direct sunlight—a fireproof container is an excellent precaution for peace of mind and safety.

With the fastest charger listed here (Fast charger, 300W) it takes about 32 min. With the slowest (Slow charger, 50W) it takes about 3 h 12 min. Extended capacity battery for mid-range camera drones offering longer flight times for aerial photography.

Frequently asked questions

How long does it take to charge a Medium Camera Drone Battery (4S, 7,700 mAh)?
From 0% to 100% with the standard 150W charger, it takes about 1 h 4 min. Using a faster charger shortens that; using a weaker one extends it, see the table above for exact numbers.
How do I know when my battery is approaching the end of its usable life?
Lithium-ion batteries gradually lose capacity with each charge cycle—this is natural and unavoidable. You'll notice reduced flight time compared to when the battery was new, and the battery may not hold a charge as long between uses. If you observe the battery puffing, becoming warm during normal charging, or if the drone's power management system begins alerting you during flight, these are signs to retire the battery safely. Most users find these batteries deliver reliable service across many seasons of regular use before reaching the point of replacement.
Can I leave this battery connected to my drone between flights?
While it's convenient, regularly leaving the battery installed in your drone while the aircraft sits idle introduces a slow parasitic drain that affects both the battery and the drone's internal systems. If you plan to fly again within a day or two, leaving it connected is acceptable, but for longer breaks—such as between weekend trips or seasonal storage—it's best practice to remove the battery and store it separately at a moderate charge level. This habit will noticeably extend the calendar lifespan of your lithium-ion pack and keep your drone's electronics in better condition overall.
How is this charge time calculated?
We divide the energy needed (113.52 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.