Skip to content Skip to navigation menu

Shipping Notice: We appreciate your patience as our team is working with our carriers to expedite shipments in light of the current postal strike and increased volumes of holiday shipments. Please contact our Customer Service team at 800 665 3327 or CACustomerService@ottobock.com for updates regarding your specific shipment.

Avis d'expédition: Nous apprécions votre patience alors que notre équipe travaille avec nos transporteurs pour accélérer les expéditions à la lumière de la frappe postale actuelle et de l'augmentation des volumes d'expéditions de vacances. Veuillez contacter notre équipe du service à la clientèle au 800 665 3327 ou CACustomerService@ottobock.com pour obtenir des mises à jour concernant votre envoi spécifique.

Canadian Customers: Take a look at our simplified Returns Process

EnergyPack

Item #: 757B21
Color 4
Log in to order

Overview

EnergyPack 757B21 is an external, interchangeable lithium-ion battery that has a charge that lasts up to three days.  Smaller than EnergyPack 757B20, it is the ideal choice for patients with long residual limbs or when weight and size are a consideration.

757B21 EnergyPack (small) is:

  • Appropriate for 6/7.2 Volt MyoBock Adult Systems
  • Slightly smaller than 757B20-1 and weighs only 51 g
  • 800n mAh capacity
    Recharges in approximately 3.0 hours
  • Available in colors: 4 (757B21), 11 (757B21-1), 15 (757B21-2)  and Black (757B21-3) 

Specifications

Article number Color Weight Capacity Charging time (full charge) Technology Length
757B20 4 (beige) 65 g 900 mAh ca. 3.5 h Lithium-ion 2 3/4 in.
757B20-1 11 (light brown) 65 g 900 mAh ca. 3.5 h Lithium-ion 2 3/4 in.
757B20 -2 15 (dark brown) 65 g 900 mAh ca. 3.5 h Lithium-ion 2 3/4 in.
757B20 -3 Black 65 g 900 mAh ca. 3.5 h Lithium-ion 2 3/4 in.
757B21 4 (beige) 51 g 800 mAh ca. 3.0 h Lithium-ion 2 1/8 in.
757B21-1 11 (light brown) 51 g 800 mAh ca. 3.0 h Lithium-ion 2 1/8 in.
757B21-2 15 (dark brown) 51 g 800 mAh ca. 3.0 h Lithium-ion 2 1/8 in.
757B21-3 Black 51 g 800 mAh ca. 3.0 h Lithium-ion 2 1/8 in.

Documents

Refine results

625/757 - lithium-ion battery - Safety Data Sheet

Safety Data Sheet

PDF Document | Published: Jun 10, 2015

757B20, 757B21 EnergyPack - Instructions for Use

Instructions for Use

PDF Document | Published: Nov 6, 2013

MyoBock System Overview

Product Information

PDF Document | Published: Jan 1, 2013

757L20 Li-Ion Battery Charger - Instructions for Use

Instructions for Use

PDF Document | Published: Mar 19, 2015

625_757 - Safety Data Sheet

Safety Data Sheet

PDF Document | Published: Mar 22, 2018