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A-Series Portable Chargers


Style or durability? Choose both.

Our goal with the A-Series was simple: introduce an external battery that was tough enough to go anywhere, while also making sure it looked good enough that you'd want to take it everywhere.

Precision and Pride

Dual-injection molding. ABS/PC composite. Reinforced shell. You probably won't ever need to think about the technology that goes into the A-Series, and you probably won't run over your battery with a car like we did. But when you hold an A-Series External Battery in your hand, you'll know why those details matter to us.

A2 A3 A4 A5 A8 Pro
Perfect For Pocket-friendly charging on the go Commuting, long nights out Airport layovers, portable power for tablets Home emergency kit, weekend trips Camping, excursions, big meetings
Charges an iPhone 2-3 times 3-4 times 4-5 times 5-6 times 8-10 times
Capacity 6,700 mAh / 23.6 Wh 10,000 mAh / 37.0 Wh 12,800 mAh / 49.6 Wh 16,750 mAh / 62.0 Wh 25,600 mAh / 94.7 Wh
Dimensions 3.7" x 2" x 1"
94mm x 50mm x 24mm
3.8" x 2.5" x 1"
96mm x 62mm x 24mm
4.5" x 2.8" x 1"
108mm x 72mm x 24mm
5" x 2.8" x 1"
127mm x 73mm x 24mm
4.7" x 2.8" x 1.6"
119mm x 71mm x 40mm
Weight 5 oz / 140 g 7.2 oz / 200 g 9.3 oz / 260 g 11.4 oz / 320 g 17 oz / 482 g
Power In: 5V 1.5A (Max) / Out: 5V 2.1A (Max) In: 5V 1.5A (Max) / Out: 5V 2.1A (Max) In: 5V 1.5A (Max) / Out: 5V 3.1A (Max)
Product Life Over 500 Full Charge-Discharge Cycles