Part No A1375 Voltage 7.3V Capacity 5200mAh Number of cells 4 Cell Cells technology Li-Po Over charge protection Yes Over discharge protection Yes Condition New Warranty 6 months Compatible Battery Part Number: 020-6920-01 020-6920-B 020-6921-B A1370(EMC 2393) 020-6920-A 020-6920-01 661-5736 A1375 Compatible Laptop Models: MacBook Air 11 inch A1370 (2010 Version), MC505*/A, MacBook Air 11 inch A1370 (Late 2010 Version), MC505B/A, MacBook Air 11 inch A1370 (Late 2010), MC505E/A, MacBook Air 11 inch MC505LL/A, MC505F/A, MacBook Air 11 inch MC506LL/A, MC505LL/A, MacBook Air 11 inch MC507LL/A, MC505LL/A 1.4 GHZ Core 2 DUO, MacBook Air 11 inch MC906LL/A, MC505LL/A*, MacBook Air 11.6 inch MC505CH/A, MC505LL/B, MacBook Air 11.6 inch MC505J/A, MC505LZ/A, MacBook Air 11.6 inch MC505LL/A, MC505ZP/A, MacBook Air 11.6 inch MC505TA/A, MC506*/A, MacBook Air 11.6 inch MC505X/A, MC506B/A, MacBook Air 11.6 inch MC505ZP/A, MC506E/A, MacBook Air 11.6 inch MC506CH/A, MC506F/A, MacBook Air 11.6 inch MC506J/A, MC506LL/A, MacBook Air 11.6 inch MC506LL/A 1.4 GHZ Core 2 DUO, MacBook Air 11.6 inch MC506TA/A, MC506LL/A BTO 1.6 GHZ Core 2 DUO, MacBook Air 11.6 inch MC506X/A, MC506LL/A*, MacBook Air 11.6 inch MC506ZP/A, MC506LL/B, MacBook Air Core 2 DUO 1.4GHZ 11 inch A1370 (EMC 2393), MC507LL/A, MacBook Air Core 2 DUO 1.6GHZ 11 inch A1370 (EMC 2393), MC906LL/A. Note- Use ( Ctrl+F ) to Find Your Laptop Model .