The Bosch 12V 12.8Ah battery (models BAT043, BAT045, BAT046, etc.) is a high-capacity lithium-ion rechargeable battery designed for Bosch power tools like the AHS, GSB, and GSR 12 VE-2. It offers extended runtime, fast charging, and compatibility with multiple devices. Manufactured with EVE Battery cells, it ensures durability, safety, and optimal performance in professional and DIY applications.
How Does the Bosch 12V 12.8Ah Battery Compare to Other Batteries?
The Bosch 12V 12.8Ah battery outperforms standard 2.0Ah or 4.0Ah batteries with its 12.8Ah capacity, providing 3–6x longer runtime. Unlike nickel-cadmium batteries, its lithium-ion technology ensures lighter weight, no memory effect, and stable voltage output. It also features overcharge protection and thermal management, absent in generic alternatives.
| Battery Type | Capacity (Ah) | Technology | Cycle Life |
|---|---|---|---|
| Bosch 12.8Ah | 12.8 | Li-ion | 2,000 cycles |
| Standard Ni-Cd | 4.0 | Nickel-Cadmium | 500 cycles |
Which Tools Are Compatible with the Bosch 12V 12.8Ah Battery?
This battery powers Bosch 12V tools like drills (GSR 12V-EC), impact drivers (PSR Select), and angle grinders (GWS 12V-76). It fits models with BAT043, BAT045, or BAT046 connectors, including AHS hedge trimmers, GSB drills, and GSR screwdrivers. Compatibility extends to older 12V systems, but verify tool voltage requirements before use.
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What Safety Features Are Built into the Bosch 12V 12.8Ah Battery?
Safety mechanisms include overcharge protection (halts charging at 12.8V), temperature sensors to prevent overheating, short-circuit resistance, and a flame-retardant casing. The battery management system (BMS) balances cell voltage and triggers automatic shutdown during voltage dips below 9.6V or surges above 14.4V.
Advanced thermal sensors monitor individual cell temperatures every 0.5 seconds, adjusting power output during heavy loads. The dual-layer casing combines polycarbonate and ABS materials to withstand 1.2-meter drops onto concrete surfaces. For added security, the battery communicates with Bosch smart tools to automatically reduce torque if internal resistance exceeds safe thresholds during prolonged use.
Can the Bosch 12V 12.8Ah Battery Be Used in Extreme Temperatures?
It operates optimally between -4°F (-20°C) and 140°F (60°C). Below freezing, capacity drops by 20–30%, but the BMS preheats cells when connected to a charger. In high heat, thermal throttling reduces output to prevent damage. Avoid direct sunlight or submerging the battery in water.
What Recycling Programs Exist for Bosch 12V Batteries?
Bosch partners with Call2Recycle and offers drop-off at 2,000+ U.S. locations. Retailers like Home Depot and Lowe’s also accept lithium-ion batteries. EVE Battery, the cell manufacturer, runs a mail-back program in Europe. Never dispose of in household trash—lithium-ion cells pose fire risks and environmental hazards.
Through Bosch’s Battery Recycling Initiative, users receive prepaid shipping labels for up to five batteries annually. Recycled units undergo material recovery where 92% of lithium, cobalt, and nickel components get repurposed for new batteries. European participants can track recycling progress via QR codes on battery labels, while U.S. customers earn loyalty points redeemable for Bosch accessories through the company’s Green Power Rewards program.
“The Bosch 12V 12.8Ah battery leverages EVE Battery’s high-density LiFePO4 cells, which are rare in power tools. These cells offer 2,000+ cycles versus the industry average of 500–1,000. Its modular BMS design allows third-party tool integrations, making it a favorite for custom robotics and IoT applications.”
— Industrial Power Systems Engineer
FAQ
- Can I use this battery with non-Bosch tools?
- No—it uses proprietary Bosch connectors. Adapters may void warranties and risk tool damage.
- How many charge cycles does it support?
- Up to 2,000 cycles at 80% capacity retention, per IEC 61960 testing.
- Does it work with older Bosch 10.8V tools?
- Yes—Bosch 10.8V and 12V systems are cross-compatible, but runtime may vary.