Skip to main content

BatteryBox - Portable MacBook Battery

30 day trial, 12 month hassle-free warranty

Free shipping and 30 day returns

Works with most MacBook models
Check compatibility

Capacity: 60 Wh / 16,500 mAh


Sold out.

Extra battery from a better battery,
for all your electronics

We created a smart portable battery that powers MacBooks and USB devices while improving itself and your laptop. BatteryBox is integrated with the worlds first battery artificial intelligence - BatteryOSTM - enabling impressively high performance without battery-life degradation.

Plug in, get energy. Simple.

BatteryBox includes a built-in high power 24AWG cable for powering MacBooks, and a fast-charging 2.1A USB port for charging phones, tablets, and anything else. Charge one, charge all.

Up to
extra for
11" MacBook Air
Up to
extra for
13" MacBook Air
Up to
extra for
13" MacBook Pro Retina
Up to
extra for
15" MacBook Pro Retina
Up to
extra for
12" MacBook*
*PLEASE NOTE: Must buy additional cable. More info >
charges for
iPhone 6
charges for
iPhone 6S
charges for
Galaxy S6


not here?
Ask us!

Dimensions and weight1

49mm (1.92”) Height x 95mm (3.74”) Length x 63mm (2.48”) Width
(2 decks of cards side by side)

404g (14.25oz) Weight

Battery and power information

Charges via USB to computer system or power adapter

Built-in 60Wh battery pack composed of rechargeable lithium-polymer battery cells

Nominal voltage of 3.7V
Dry solid polymer electrolyte
Standard operating temperature
1C load rating
Controlled by double layer protection circuit

Charging connector

BatteryBox charges via any micro USB cable, and a 2A USB charger

External buttons and ports

SnapFit Connector
USB output port
Micro USB charging input port
Capacity and Mode button

SnapFit Connector

Compatible with MacBook's made after mid-2012
Work with all Air and Pro models

USB port

2.1 Amps, 5V output
Standard USB

Intelligent Output

Power for both USB and laptop outputs is always off
Turns on only when and if a device is connected
Designed to protect against shorting


BatteryOS is a new, proprietary way of controlling energy inside of existing lithium-ion batteries, enabling them to hold more capacity and keep working like brand new after many years

Learn more about BatteryOS >

Double Safety Layer

BatteryOS monitor batteries inside BatteryBox to ensure their proper function

Additionally each battery cell has its very own autonomous safety system

Monitors: over-current, over-voltage, under-voltage, and other safety parameters.

In the box

SnapFit connector clip (x4)
Gold-plated micro USB cable
2A USB power supply
Quickstart guide
Additional documentation

30 day trial, 12 month warranty

If you don't love it, we'll take it back and give you a full refund - no questions asked.

Free shipping

Free delivery to your door in the US and Canada.

$44.97 flat rate for all other countries.

BatteryBox in the wild

Posted, tweeted, 'grammed. Power to the people, freedom from the outlet.

Something great is coming

Be the first to know from the BatteryBox Team

The reviews are in, and we're the best in batteries

Handles my crazy work schedule

" I can fly to Toronto (it's a long flight from here) and use my MacBook the entire time playing Civilization 5!!! Because that's living the good life - playing Civ 5 in the sky. "

Joshua Paul, Vancouver, Canada