Key Account Manager – Batteries, B2B Partner Business

STABL Energy

. Build and maintain relationships with B2B partners such as installers, system integrators, and energy providers .

Posted 10/23/2026full-timeKassel • GermanyMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in B2B sales strategy development and execution within the renewable energy sector, with strong capabilities in relationship management, negotiation, and technical training. Proficient in market analysis and collaboration with cross-functional teams to drive successful outcomes.

Highest-signal resume keywords

B2B Sales ExperienceRenewable Energy KnowledgeCommunication SkillsNegotiation SkillsCRM Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Sales Strategy DevelopmentMarket Trend AnalysisProposal DevelopmentContract NegotiationTechnical Training

Soft Skills

Relationship ManagementProfessional PresenceTeam Collaboration

Tools & Technologies

CRM SystemsMicrosoft Office

Industry Keywords

Energy StorageSustainable TechnologiesB2B PartnershipsEnergy Systems

About the role

Key responsibilities & impact

Build and maintain relationships with B2B partners such as installers, system integrators, and energy providers
Implement and further develop the B2B sales strategy for battery energy storage systems
Conduct product presentations and technical training sessions for partners and customers
Monitor market trends, competitors, and new business opportunities in the energy storage sector
Develop proposals, negotiate contracts, and provide support through to successful contract closure
Work closely with the Engineering, Marketing, and Customer Service teams to ensure optimal partner support

Requirements

What you’ll need

At least 3–5 years of sales experience, ideally in renewable energy, energy systems, or technical B2B sales
Interest in or knowledge of energy storage, renewable energy, or sustainable technologies
Excellent communication and negotiation skills, with a confident professional presence
Willingness to travel regularly within Germany and occasionally elsewhere in Europe
German and English language skills are an advantage
Proficiency in CRM systems and standard Microsoft Office applications
Based in Kassel or the surrounding area, enabling regular meetings in the region

Benefits

Comp & perks

Company pension scheme to support your long-term financial planning
Flexible working hours
Hybrid working model
Option to work remotely from abroad
Digital meal vouchers through Circula Lunch
Monthly taxable benefit allowance for use at your favorite stores
Corporate benefits portal with exclusive employee discounts
Regular team-building activities and team events
EGYM Wellpass membership with unlimited access to numerous gyms throughout Germany
Agile, open, and innovation-driven culture with flat hierarchies, fast decision-making, and genuine ownership