TLDR Review: Greenworks 40V 4Ah Battery
Verdict
Based on user feedback, the Greenworks BAF704 40V 4.0Ah Lithium Ion Battery is a durable and reliable option for existing Greenworks users. However, be aware of potential charging issues and model discrepancies. If versatility and long-term outdoor power are priorities, this battery is a solid choice, but consider looking into newer models or bundles with additional batteries for extended runtime. Carefully evaluate compatibility and cost before purchasing.
- Top pro:
- Long-lasting battery with good power output over extended use
- Top con:
- Some users experienced issues with battery failing to hold a charge or appearing defective
Pros
- •Long-lasting battery with good power output over extended use
- •Reliable performance when paired with Greenworks outdoor equipment
- •Durable design with only two replacements needed over 8 years
- •Provides consistent, powerful performance for effective mowing
- •Versatile use with other Greenworks tools like trimmers, edgers, and blowers
- •Arrived in good condition and correctly matched upon delivery
- •Standard initial charge required after receipt
- •High quality build, offering good value for outdoor maintenance
- •Design supports maintaining a strong charge for longer yard work sessions
- •Suitable for users prioritizing performance and durability
Cons
- •Some users experienced issues with battery failing to hold a charge or appearing defective
- •Only compatible with Greenworks chargers; non-Greenworks chargers may cause charging problems
- •Inconsistencies observed with the presence of USB port feature in some models
- •Occasional trouble with charging or reconditioning, sometimes necessitating returns or replacements
- •Does not support charging phones or tablets via USB despite product name suggesting USB functionality
- •Received batteries lacking expected features or with incorrect model issues
- •Relatively high price point at over $330 may deter potential buyers
- •Proper charging habits recommended for long-term battery health
- •Limited information on battery's weight or dimensions, impacting portability considerations
- •Perception among some users that manufacturer prioritizes profit over comprehensive features
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How we researched this
About this review: it summarizes the professional reviews and customer ratings ShopSavvy collected for this product, alongside prices from 1 retailer in ShopSavvy's price data, most recently seen Jun 13, 2026.
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