You'll Have to make your mind up no matter whether you wish a manual charger or an automatic charger, and also simply how much power you need (far more powerful chargers replenish batteries faster). Ultimately, you'll want to find out exactly how much you need to commit on the battery https://hukums.com/products/stanley-72-060e-double-ended-open-jaw-crv-spanner-32x36-mm-1