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What batteries should I buy?

DANIEL PRINGLE ilRMINGHAM

I My Sony compact camera seems to get through AA batteries very quickly. I know I should be using rechargeable batteries, but what should I be looking out for when buying them?

□ Matt replies: Compact cameras do tend to get through standard alkaline batteries at an alarming rate, so a set of rechargeable batteries is generally a better idea. These are generally Nickel-metal hydride (NiMH) types, which are both environmentally more sound than Nickel-cadmium (NiCd) types and capable of holding a higher capacity. Look out for the mAh (milliamp hour) measurement, which represents the power a battery is able to hold. As a general rule the higher the better, though their price will reflect this. Should you not want to use rechargeable batteries, a set of lithium types is advised; in our own tests, Energizer's Ultimate Lithium batteries came out as very capable performers, though Sanyo's rechargeable Eneloop 2000 mAh batteries came a close second.

Do I need weatherproofing?

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