In April's Recharge, co-presenters Matt Fernley (Battery Materials Review) and Cormac O'Laoire (Electrios Energy) discuss all the key news items in the world of batteries and battery materials.   This month's key topics include: Some feedback from Cormac's recent travels in Asia particularly around the Chinese battery industry; Thoughts on lithium pricing and discussion on Chinese lepidolite; EV sales recap and thoughts, particularly with regards to the EU's tariff review; Discussion on ESS demand, form factors and inventories; Some thoughts on the outlook for lower tier cell producers.