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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) 

EnergyPack

Item #: 757B21-1
Color 11

Suggested HCPCS Coding: L7367 - Replacement Only
Learn more at Reimbursement Services

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Product Details

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) 
Technical 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.
Related
Accessories
Documents

13/625/757 - Lithium-ion battery Safety Data Sheet

Safety Data Sheet: (EN)

Published Date: March 23, 2015

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

Safety Data Sheet: (EN)

Published Date: June 10, 2015

757B20, 757B21 EnergyPack - Instructions for Use

Instructions for Use: 647H356 (EN/DE/FR/IT/ES/PT/NL/SV/CS/EL)

Published Date: November 6, 2013

757L20 Li-Ion Battery Charger - Instructions for Use

Instructions for Use: 647H357 (EN/DE/FR/IT/ES/PT/NL/SV/DA/PL/HU/CS/EL/ZH)

Published Date: March 19, 2015

MyoBock System Overview

Product Information: 646F277 (EN)

Published Date: January 1, 2013