How long does it take to charge that?
A free calculator for charge time on power tools, e-bikes, phones, drones, power stations and dozens of other battery-powered devices. Pick a device below for a pre-filled estimate, or use your own numbers here.
Charge time calculator
Estimated charge time
7 h 4 min
Includes the slower li-ion taper phase above 80%.
Browse by device
Every page below is pre-filled with real battery capacity and charger wattage, plus a full time table for slow, standard and fast chargers.
Power Tools
E-Mobility
- E-Bike Battery (48V, 14Ah)(672 Wh)
- Electric Scooter Battery (36V, 10Ah)(360 Wh)
- Electric Skateboard Battery (36V, 8Ah)(288 Wh)
- Hoverboard Battery (36V, 4.4Ah)(158 Wh)
- Electric Unicycle Battery (84V, 9Ah)(756 Wh)
- E-Moped Battery (60V, 20Ah)(1.2 kWh)
- Folding E-Bike Battery (36V, 10Ah)(360 Wh)
- Electric Motorcycle Battery (72V, 30Ah)(2.2 kWh)
- Electric Cargo Bike Battery (48V, 25Ah)(1.2 kWh)
- Electric Dirt Bike Battery (60V, 40Ah)(2.4 kWh)
- E-Bike Mid-Drive Battery (36V, 15Ah)(540 Wh)
- Electric Scooter Battery (52V, 26Ah)(1.4 kWh)
- E-Skateboard All-Terrain Battery (40V, 10Ah)(400 Wh)
- Golf Cart Electric Battery (48V, 100Ah)(4.8 kWh)
- Personal Mobility Device Battery (24V, 20Ah)(480 Wh)
- Electric Kick Scooter Battery (25V, 5Ah)(125 Wh)
- Electric Tricycle Battery (48V, 15Ah)(720 Wh)
- Electric Delivery Bike Battery (48V, 20Ah)(960 Wh)
- Electric Wheelchair Battery (24V, 35Ah)(840 Wh)
- Electric Skateboard Hub Motor Battery (44V, 10Ah)(440 Wh)
- Electric Standing Scooter Battery (24V, 8Ah)(192 Wh)
- Electric Boat Trolling Motor Battery (24V, 100Ah)(2.4 kWh)
Phones & Laptops
- Smartphone Battery (4,500 mAh average)(17 Wh)
- Laptop Battery (13-inch, 56 Wh)(56 Wh)
- Gaming Laptop Battery (15-inch, 99 Wh)(99 Wh)
- Tablet Battery (10-inch, 30 Wh)(30 Wh)
- Smartwatch Battery (300 mAh)(1.1 Wh)
- Wireless Earbuds Charging Case(1.8 Wh)
- Handheld Gaming Console (40 Wh)(40 Wh)
- Portable Bluetooth Speaker (20 Wh)(20 Wh)
- iPhone 14 Pro Battery(16.68 Wh)
- Samsung Galaxy S23 Battery(14.85 Wh)
- MacBook Pro 16-inch Battery(100 Wh)
- Google Pixel 7 Battery(12.36 Wh)
- iPad Pro 12.9-inch Battery(40 Wh)
- Dell XPS 13 Battery(52 Wh)
- Apple AirPods Pro Charging Case(1.6 Wh)
- Microsoft Surface Pro 9 Battery(50.2 Wh)
- iPhone 15 Pro Max Battery(4.7 kWh)
- Samsung Galaxy Z Fold 5 Battery(4.4 kWh)
- Lenovo ThinkPad X1 Carbon Battery(52 Wh)
- Google Pixel 8 Pro Battery(5.0 kWh)
- ASUS ROG Gaming Laptop Battery (17-inch)(90 Wh)
- OnePlus 12 Battery(5.4 kWh)
- HP Pavilion 15 Laptop Battery(45 Wh)
- Samsung Galaxy Tab S9 Ultra Battery(11.2 kWh)
Drones
- Camera Drone Battery (4S, 5,000 mAh)(74 Wh)
- FPV Racing Drone Battery (4S, 1,500 mAh)(22 Wh)
- Mini Drone Battery (1S, 1,100 mAh)(4 Wh)
- Drone Remote Controller(10 Wh)
- Survey Drone Battery (6S, 8,000 mAh)(178 Wh)
- Compact FPV Drone Battery (6S, 2,200 mAh)(48.84 Wh)
- Medium Camera Drone Battery (4S, 7,700 mAh)(113.52 Wh)
- Professional Survey Drone Battery (6S, 11,000 mAh)(244.2 Wh)
- Lightweight Micro Drone Battery (1S, 650 mAh)(2.41 Wh)
- Heavy-Lift Drone Battery (6S, 15,000 mAh)(333 Wh)
- Starter FPV Drone Battery (3S, 1,300 mAh)(14.82 Wh)
- Long-Range Drone Battery (5S, 6,000 mAh)(111 Wh)
- Compact Racing Drone Battery (4S, 2,600 mAh)(38.22 Wh)
- Agricultural Drone Battery (6S, 12,000 mAh)(444 Wh)
- Tactical FPV Drone Battery (5S, 2,500 mAh)(46.25 Wh)
- Ultralight Nano Drone Battery (1S, 300 mAh)(1.11 Wh)
- Cinematic Drone Battery (6S, 5,900 mAh)(218.15 Wh)
- Intermediate Racing Drone Battery (3S, 2,200 mAh)(24.42 Wh)
- Inspection Drone Battery (5S, 4,500 mAh)(83.25 Wh)
- Compact Toy Drone Battery (1S, 550 mAh)(2.035 Wh)
- Hybrid Delivery Drone Battery (6S, 10,000 mAh)(370 Wh)
Power Stations
- Portable Power Station (300 Wh)(300 Wh)
- Portable Power Station (500 Wh)(500 Wh)
- Portable Power Station (1,000 Wh)(1.0 kWh)
- Portable Power Station (2,000 Wh)(2.0 kWh)
- Mini Solar Generator (150 Wh)(150 Wh)
- Portable Power Station (3,000 Wh)(3.0 kWh)
- Portable Power Station (5,000 Wh)(5.0 kWh)
- Foldable Solar Generator (200 Wh)(200 Wh)
- Portable Power Station (1,500 Wh)(1.5 kWh)
- Mini Power Station (100 Wh)(100 Wh)
- Rugged Power Station (750 Wh)(750 Wh)
- Portable Power Station (6,000 Wh)(6.0 kWh)
- Solar Power Station (400 Wh)(400 Wh)
Garden Tools
- Cordless Lawn Mower Battery (56V, 6Ah)(336 Wh)
- Cordless String Trimmer Battery (40V, 4Ah)(160 Wh)
- Cordless Hedge Trimmer Battery (20V, 4Ah)(80 Wh)
- Cordless Chainsaw Battery (40V, 5Ah)(200 Wh)
- Cordless Leaf Blower Battery (56V, 4Ah)(224 Wh)
- Robotic Lawn Mower Battery (18V, 6Ah)(108 Wh)
- Cordless Drill Driver Battery (20V, 2Ah)(40 Wh)
- Cordless Edger Battery (24V, 3Ah)(72 Wh)
- Cordless Cultivator Battery (18V, 4Ah)(72 Wh)
- Cordless Pressure Washer Battery (20V, 5Ah)(100 Wh)
- Cordless Secateurs Battery (12V, 2Ah)(24 Wh)
- Cordless Pole Saw Battery (40V, 6Ah)(240 Wh)
- Cordless Garden Shredder Battery (36V, 4Ah)(144 Wh)
- Cordless Scarifier Battery (48V, 5Ah)(240 Wh)
Automotive
- Car Battery (12V, 50Ah, Lead-Acid)(600 Wh)
- Motorcycle Battery (12V, 10Ah, Lead-Acid)(120 Wh)
- Portable Jump Starter (12V, 20Ah, Li-ion)(240 Wh)
- Golf Cart Battery Bank (6V x4, 220Ah, Lead-Acid)(1.3 kWh)
- Marine Deep-Cycle Battery (12V, 100Ah, Lead-Acid)(1.2 kWh)
- RV House Battery (12V, 100Ah, Li-ion)(1.2 kWh)
- ATV/Quad Battery (12V, 18Ah, Li-ion)(216 Wh)
- Electric Scooter Battery (48V, 20Ah, Li-ion)(960 Wh)
- Car Backup Battery (12V, 30Ah, Lithium)(360 Wh)
- E-Bike Battery (36V, 15Ah, Li-ion)(540 Wh)
- Heavy Truck Battery (24V, 80Ah, Lead-Acid)(1.9 kWh)
- Electric Golf Cart Battery (48V, 160Ah, Lead-Acid)(7.7 kWh)
- Motorcycle Lithium Battery (12V, 8Ah, Li-ion)(96 Wh)
- Car Audio Capacitor Battery (12V, 50Ah, Li-ion)(600 Wh)
Household
- Cordless Stick Vacuum Battery (25.2V, 2.5Ah)(63 Wh)
- Electric Toothbrush(2.5 Wh)
- Rechargeable AA NiMH Batteries (4-pack, 2,000 mAh)(9.6 Wh)
- Action Camera Battery (1,720 mAh)(6.4 Wh)
- DSLR Camera Battery (7.2V, 1,800 mAh)(13 Wh)
- Wireless Gaming Controller(3.2 Wh)
- Rechargeable LED Flashlight (18650 Battery)(12 Wh)
- Cordless Hair Clipper(4 Wh)
- Cordless Drill (20V, 4Ah)(80 Wh)
- Cordless Leaf Blower (40V, 2Ah)(80 Wh)
- Rechargeable Portable Speaker Battery (14.8V, 3.5Ah)(51.8 Wh)
- Cordless Handheld Vacuum (21V, 2Ah)(42 Wh)
- Electric Lawn Mower Battery (40V, 6Ah)(240 Wh)
- Rechargeable Emergency Lantern (18V, 2Ah)(36 Wh)
- Cordless Impact Wrench (20V, 3Ah)(60 Wh)
- Cordless Jigsaw (18V, 2Ah)(36 Wh)
- Cordless Orbital Sander (18V, 2.5Ah)(45 Wh)
- Cordless Angle Grinder (20V, 3Ah)(60 Wh)
- Rechargeable Headlamp (18650 Battery)(9.6 Wh)
- Rechargeable Water Flosser(7.2 Wh)
- Cordless Hedge Trimmer (40V, 2Ah)(80 Wh)
- Rechargeable LED Nail Lamp(11.1 Wh)
- Cordless Rotary Tool (12V, 1.5Ah)(18 Wh)