Motorola btry wt40iab0h handheld device battery 4600 mah proprietary lithium ion li ion 37 v dc battery chemistry lithium ion li ion product type handheld device battery manufacturer part number btry wt40iab0h manufacturer website address wwwmotorolacomuk output voltage 37 v dc manufacturer motorola inc product model btry wt40iab0h product name lithium ion wearable mobile computer battery battery size proprietary battery capacity 4600 mah battery rechargeable yes