• Our replacement HP HS04 battery is the product of highest quality, which has obtained international certification ( CE, UL, ROHS, ISO9001/9002 ). Without any memory effect, the battery works as powerful as an extra power supply when traveling or being away from home/office.
• With long life, this replacement battery for HP HS04 laptop can be charged/discharged for more than 500-750 cycles (has been rigorously tested).
• Every piece of replacement HP HS04 battery pack is under the united protection of the PCP board, PCM board and intellectual power measurement circuit: automatically adjusting the charging time to achieve the maximum amount of charge, with over-charge protection, over-discharge protection, over current protection and short circuit protection.