# Charging batteries on EVs

**URL:** <https://community.cartalk.com/t/charging-batteries-on-evs/25836>\
**Category:** Maintenance/Repairs\
**Created:** [January 31, 2009, 6:31pm UTC](https://community.cartalk.com/t/charging-batteries-on-evs/25836 "2009-01-31T18:31:33Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Namber](https://avatars.discourse-cdn.com/v4/letter/n/6a8cbe/32.png) [@Namber](https://community.cartalk.com/u/Namber)\
**Post date:** [January 31, 2009, 6:31pm UTC](https://community.cartalk.com/t/charging-batteries-on-evs/25836/1 "2009-01-31T18:31:33Z")

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How many HP engine does it take to turn the alternator to maintain the charge on the batteries on an EV? 100HP? 150HP. I don’t understand why GM can’t find a power plant for the Volt.

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**Author:** ![Joseph\_E\_Meehan](https://sea1.discourse-cdn.com/cartalk/user_avatar/community.cartalk.com/joseph_e_meehan/32/21_2.png) [@Joseph\_E\_Meehan](https://community.cartalk.com/u/Joseph_E_Meehan)\
**Post date:** [January 31, 2009, 7:27pm UTC](https://community.cartalk.com/t/charging-batteries-on-evs/25836/2 "2009-01-31T19:27:55Z")

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