The Flexi-Charge 3.6-volt battery is compatible with Skil Flexi-Charge products. These include Skil products with the model numbers 2207, 2211, 2240, 2236 and 2131, as well as the Skil 2895LI drill.
The 3.6-volt Flexi-Charge battery is manufactured by Bosch and can be ordered online at Ajaxco.com.
A 3.6-volt rechargeable nickel–metal hydride battery can also be used to replace a Skil 3.6-volt Flexi-Charge battery. This product is compatible with the all the same Skil model numbers, with the addition of model numbers 2237, 2273, 2425 and 92940. The replacement battery is also compatible with Bosch model number 2 607 335 062.